Bump github.com/spf13/viper from 1.7.0 to 1.19.0 in /tools

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.7.0 to 1.19.0. - [Release notes](https://github.com/spf13/viper/releases) - [Commits](https://github.com/spf13/viper/compare/v1.7.0...v1.19.0) --- updated-dependencies: - dependency-name: github.com/spf13/viper dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
2026-04-05 18:25:57 +08:00 · 2024-11-12 05:16:08 +00:00
36 changed files with 458 additions and 1174 deletions
--- a/.github/workflows/benchstat.yml
+++ b/.github/workflows/benchstat.yml
@@ -9,7 +9,6 @@ on: [pull_request]
 jobs:
  incoming:
    runs-on: ubuntu-latest
-    if: false
    services:
      redis:
        image: redis:7
@@ -32,7 +31,6 @@ jobs:

  current:
    runs-on: ubuntu-latest
-    if: false
    services:
      redis:
        image: redis:7
@@ -57,7 +55,6 @@ jobs:

  benchstat:
    needs: [incoming, current]
-    if: false
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
    strategy:
      matrix:
        os: [ubuntu-latest]
-        go-version: [1.24.x, 1.25.x]
+        go-version: [1.22.x, 1.23.x]
    runs-on: ${{ matrix.os }}
    services:
      redis:
@@ -39,13 +39,13 @@ jobs:
        run: go test -run=^$ -bench=. -loglevel=debug ./...

      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v4

  build-tool:
    strategy:
      matrix:
        os: [ubuntu-latest]
-        go-version: [1.24.x, 1.25.x]
+        go-version: [1.22.x, 1.23.x]
    runs-on: ${{ matrix.os }}
    services:
      redis:
@@ -70,7 +70,6 @@ jobs:
  golangci:
    name: lint
    runs-on: ubuntu-latest
-    if: false
    steps:
      - uses: actions/checkout@v4

--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,45 +7,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ## [Unreleased]

-## [0.26.0] - 2026-02-03
-
-### Upgrades
- Prepare CI for Go 1.24.x and 1.25.x (commit: e9037f0)
-
-### Added
- Add Headers support to tasks (PR: https://github.com/hibiken/asynq/pull/1070)
- Add `--tls` option to dash command (PR: https://github.com/hibiken/asynq/pull/1073)
- Add `--username` CLI flag for Redis ACL authentication (PR: https://github.com/hibiken/asynq/pull/1083)
- Add `UpdateTaskPayload` method for inspector (PR: https://github.com/hibiken/asynq/pull/1042)
-
-### Fixes
- Fix: Correct error message text in ResultWriter.Write (PR: https://github.com/hibiken/asynq/pull/1054)
- Fix: Wrap all fmt.Errorf errors with %w (PR: https://github.com/hibiken/asynq/pull/1047)
- Fix: ServeMux.NotFoundHandler returns ErrHandlerNotFound error (PR: https://github.com/hibiken/asynq/pull/1031)
-
-### Changed
- Docs: Update server.go documentation (PR: https://github.com/hibiken/asynq/pull/1010)
- Chore: Fix godoc comment (PR: https://github.com/hibiken/asynq/pull/1009)
-
-## [0.25.1] - 2024-12-11
-
-### Upgrades
-
-* Some packages
-
-### Added
-
-* Add `HeartbeatInterval` option to the scheduler (PR: https://github.com/hibiken/asynq/pull/956)
-* Add `RedisUniversalClient` support to periodic task manager (PR: https://github.com/hibiken/asynq/pull/958)
-* Add `--insecure` flag to CLI dash command (PR: https://github.com/hibiken/asynq/pull/980)
-* Add logging for registration errors (PR: https://github.com/hibiken/asynq/pull/657)
-
-### Fixes
- Perf: Use string concat inplace of fmt.Sprintf in hotpath (PR: https://github.com/hibiken/asynq/pull/962)
- Perf: Init map with size (PR: https://github.com/hibiken/asynq/pull/673)
- Fix: `Scheduler` and `PeriodicTaskManager` graceful shutdown (PR: https://github.com/hibiken/asynq/pull/977)
- Fix: `Server` graceful shutdown on UNIX systems (PR: https://github.com/hibiken/asynq/pull/982)
-
 ## [0.25.0] - 2024-10-29

 ### Upgrades
--- a/aggregator.go
+++ b/aggregator.go
@@ -156,7 +156,7 @@ func (a *aggregator) aggregate(t time.Time) {
 			}
 			tasks := make([]*Task, len(msgs))
 			for i, m := range msgs {
-				tasks[i] = NewTaskWithHeaders(m.Type, m.Payload, m.Headers)
+				tasks[i] = NewTask(m.Type, m.Payload)
 			}
 			aggregatedTask := a.ga.Aggregate(gname, tasks)
 			ctx, cancel := context.WithDeadline(context.Background(), deadline)
--- a/asynq.go
+++ b/asynq.go
@@ -8,15 +8,14 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
-	"maps"
 	"net"
 	"net/url"
 	"strconv"
 	"strings"
 	"time"

-	"github.com/hibiken/asynq/internal/base"
 	"github.com/redis/go-redis/v9"
+	"github.com/hibiken/asynq/internal/base"
 )

 // Task represents a unit of work to be performed.
@@ -27,9 +26,6 @@ type Task struct {
 	// payload holds data needed to perform the task.
 	payload []byte

-	// headers holds additional metadata for the task.
-	headers map[string]string
-
 	// opts holds options for the task.
 	opts []Option

@@ -37,9 +33,8 @@ type Task struct {
 	w *ResultWriter
 }

-func (t *Task) Type() string               { return t.typename }
-func (t *Task) Payload() []byte            { return t.payload }
-func (t *Task) Headers() map[string]string { return t.headers }
+func (t *Task) Type() string    { return t.typename }
+func (t *Task) Payload() []byte { return t.payload }

 // ResultWriter returns a pointer to the ResultWriter associated with the task.
 //
@@ -53,21 +48,6 @@ func NewTask(typename string, payload []byte, opts ...Option) *Task {
 	return &Task{
 		typename: typename,
 		payload:  payload,
-		headers:  nil,
-		opts:     opts,
-	}
-}
-
-// NewTaskWithHeaders returns a new Task given a type name, payload data, and headers.
-// Options can be passed to configure task processing behavior.
-// TODO: In the next major (breaking) release, fold this functionality into NewTask
-//
-//	so that headers are supported directly. After that, remove this method.
-func NewTaskWithHeaders(typename string, payload []byte, headers map[string]string, opts ...Option) *Task {
-	return &Task{
-		typename: typename,
-		payload:  payload,
-		headers:  maps.Clone(headers),
 		opts:     opts,
 	}
 }
@@ -77,7 +57,6 @@ func newTask(typename string, payload []byte, w *ResultWriter) *Task {
 	return &Task{
 		typename: typename,
 		payload:  payload,
-		headers:  make(map[string]string),
 		w:        w,
 	}
 }
@@ -96,9 +75,6 @@ type TaskInfo struct {
 	// Payload is the payload data of the task.
 	Payload []byte

-	// Headers holds additional metadata for the task.
-	Headers map[string]string
-
 	// State indicates the task state.
 	State TaskState

@@ -169,7 +145,6 @@ func newTaskInfo(msg *base.TaskMessage, state base.TaskState, nextProcessAt time
 		Queue:         msg.Queue,
 		Type:          msg.Type,
 		Payload:       msg.Payload, // Do we need to make a copy?
-		Headers:       msg.Headers,
 		MaxRetry:      msg.Retry,
 		Retried:       msg.Retried,
 		LastErr:       msg.ErrorMsg,
@@ -467,15 +442,14 @@ func (opt RedisClusterClientOpt) MakeRedisClient() interface{} {
 //
 // Three URI schemes are supported, which are redis:, rediss:, redis-socket:, and redis-sentinel:.
 // Supported formats are:
-//
-//	redis://[:password@]host[:port][/dbnumber]
-//	rediss://[:password@]host[:port][/dbnumber]
-//	redis-socket://[:password@]path[?db=dbnumber]
-//	redis-sentinel://[:password@]host1[:port][,host2:[:port]][,hostN:[:port]][?master=masterName]
+//     redis://[:password@]host[:port][/dbnumber]
+//     rediss://[:password@]host[:port][/dbnumber]
+//     redis-socket://[:password@]path[?db=dbnumber]
+//     redis-sentinel://[:password@]host1[:port][,host2:[:port]][,hostN:[:port]][?master=masterName]
 func ParseRedisURI(uri string) (RedisConnOpt, error) {
 	u, err := url.Parse(uri)
 	if err != nil {
-		return nil, fmt.Errorf("asynq: could not parse redis uri: %w", err)
+		return nil, fmt.Errorf("asynq: could not parse redis uri: %v", err)
 	}
 	switch u.Scheme {
 	case "redis", "rediss":
@@ -565,7 +539,7 @@ type ResultWriter struct {
 func (w *ResultWriter) Write(data []byte) (n int, err error) {
 	select {
 	case <-w.ctx.Done():
-		return 0, fmt.Errorf("failed to write task result: %w", w.ctx.Err())
+		return 0, fmt.Errorf("failed to result task result: %v", w.ctx.Err())
 	default:
 	}
 	return w.broker.WriteResult(w.qname, w.id, data)
--- a/asynq_test.go
+++ b/asynq_test.go
@@ -11,11 +11,11 @@ import (
 	"strings"
 	"testing"

+	"github.com/redis/go-redis/v9"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/hibiken/asynq/internal/log"
 	h "github.com/hibiken/asynq/internal/testutil"
-	"github.com/redis/go-redis/v9"
 )

 //============================================================================
--- a/client.go
+++ b/client.go
@@ -385,7 +385,6 @@ func (c *Client) EnqueueContext(ctx context.Context, task *Task, opts ...Option)
 		ID:        opt.taskID,
 		Type:      task.Type(),
 		Payload:   task.Payload(),
-		Headers:   task.Headers(),
 		Queue:     opt.queue,
 		Retry:     opt.retry,
 		Deadline:  deadline.Unix(),
--- a/client_test.go
+++ b/client_test.go
@@ -1191,473 +1191,3 @@ func TestClientEnqueueUniqueWithProcessAtOption(t *testing.T) {
 		}
 	}
 }
-
-func TestClientEnqueueWithHeaders(t *testing.T) {
-	r := setup(t)
-	client := NewClient(getRedisConnOpt(t))
-	defer client.Close()
-
-	now := time.Now()
-	headers := map[string]string{
-		"user-id":    "123",
-		"request-id": "abc-def-ghi",
-		"priority":   "high",
-	}
-
-	tests := []struct {
-		desc        string
-		task        *Task
-		opts        []Option
-		wantInfo    *TaskInfo
-		wantPending map[string][]*base.TaskMessage
-	}{
-		{
-			desc: "Task with headers",
-			task: NewTaskWithHeaders("send_email", h.JSON(map[string]interface{}{"to": "user@example.com"}), headers),
-			opts: []Option{},
-			wantInfo: &TaskInfo{
-				Queue:         "default",
-				Type:          "send_email",
-				Payload:       h.JSON(map[string]interface{}{"to": "user@example.com"}),
-				Headers:       headers,
-				State:         TaskStatePending,
-				MaxRetry:      defaultMaxRetry,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: now,
-			},
-			wantPending: map[string][]*base.TaskMessage{
-				"default": {
-					{
-						Type:     "send_email",
-						Payload:  h.JSON(map[string]interface{}{"to": "user@example.com"}),
-						Headers:  headers,
-						Retry:    defaultMaxRetry,
-						Queue:    "default",
-						Timeout:  int64(defaultTimeout.Seconds()),
-						Deadline: noDeadline.Unix(),
-					},
-				},
-			},
-		},
-		{
-			desc: "Task with empty headers",
-			task: NewTaskWithHeaders("process_data", []byte("data"), map[string]string{}),
-			opts: []Option{},
-			wantInfo: &TaskInfo{
-				Queue:         "default",
-				Type:          "process_data",
-				Payload:       []byte("data"),
-				Headers:       map[string]string{},
-				State:         TaskStatePending,
-				MaxRetry:      defaultMaxRetry,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: now,
-			},
-			wantPending: map[string][]*base.TaskMessage{
-				"default": {
-					{
-						Type:     "process_data",
-						Payload:  []byte("data"),
-						Headers:  nil,
-						Retry:    defaultMaxRetry,
-						Queue:    "default",
-						Timeout:  int64(defaultTimeout.Seconds()),
-						Deadline: noDeadline.Unix(),
-					},
-				},
-			},
-		},
-		{
-			desc: "Task with nil headers",
-			task: NewTaskWithHeaders("cleanup", nil, nil),
-			opts: []Option{},
-			wantInfo: &TaskInfo{
-				Queue:         "default",
-				Type:          "cleanup",
-				Payload:       nil,
-				Headers:       nil,
-				State:         TaskStatePending,
-				MaxRetry:      defaultMaxRetry,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: now,
-			},
-			wantPending: map[string][]*base.TaskMessage{
-				"default": {
-					{
-						Type:     "cleanup",
-						Payload:  nil,
-						Headers:  nil,
-						Retry:    defaultMaxRetry,
-						Queue:    "default",
-						Timeout:  int64(defaultTimeout.Seconds()),
-						Deadline: noDeadline.Unix(),
-					},
-				},
-			},
-		},
-		{
-			desc: "Task with headers and custom options",
-			task: NewTaskWithHeaders("notify", []byte("notification"), map[string]string{"channel": "email"}),
-			opts: []Option{MaxRetry(5), Queue("notifications")},
-			wantInfo: &TaskInfo{
-				Queue:         "notifications",
-				Type:          "notify",
-				Payload:       []byte("notification"),
-				Headers:       map[string]string{"channel": "email"},
-				State:         TaskStatePending,
-				MaxRetry:      5,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: now,
-			},
-			wantPending: map[string][]*base.TaskMessage{
-				"notifications": {
-					{
-						Type:     "notify",
-						Payload:  []byte("notification"),
-						Headers:  map[string]string{"channel": "email"},
-						Retry:    5,
-						Queue:    "notifications",
-						Timeout:  int64(defaultTimeout.Seconds()),
-						Deadline: noDeadline.Unix(),
-					},
-				},
-			},
-		},
-	}
-
-	for _, tc := range tests {
-		h.FlushDB(t, r)
-
-		gotInfo, err := client.Enqueue(tc.task, tc.opts...)
-		if err != nil {
-			t.Errorf("%s: Enqueue failed: %v", tc.desc, err)
-			continue
-		}
-
-		cmpOptions := []cmp.Option{
-			cmpopts.IgnoreFields(TaskInfo{}, "ID"),
-			cmpopts.EquateApproxTime(500 * time.Millisecond),
-		}
-		if diff := cmp.Diff(tc.wantInfo, gotInfo, cmpOptions...); diff != "" {
-			t.Errorf("%s;\nEnqueue(task) returned %v, want %v; (-want,+got)\n%s",
-				tc.desc, gotInfo, tc.wantInfo, diff)
-		}
-
-		for qname, want := range tc.wantPending {
-			got := h.GetPendingMessages(t, r, qname)
-			if diff := cmp.Diff(want, got, h.IgnoreIDOpt); diff != "" {
-				t.Errorf("%s;\nmismatch found in %q; (-want,+got)\n%s", tc.desc, base.PendingKey(qname), diff)
-			}
-		}
-	}
-}
-
-func TestClientEnqueueWithHeadersScheduled(t *testing.T) {
-	r := setup(t)
-	client := NewClient(getRedisConnOpt(t))
-	defer client.Close()
-
-	now := time.Now()
-	oneHourLater := now.Add(time.Hour)
-	headers := map[string]string{
-		"correlation-id": "xyz-123",
-		"source":         "api",
-	}
-
-	tests := []struct {
-		desc          string
-		task          *Task
-		processAt     time.Time
-		opts          []Option
-		wantInfo      *TaskInfo
-		wantScheduled map[string][]base.Z
-	}{
-		{
-			desc:      "Schedule task with headers",
-			task:      NewTaskWithHeaders("scheduled_task", []byte("payload"), headers),
-			processAt: oneHourLater,
-			opts:      []Option{},
-			wantInfo: &TaskInfo{
-				Queue:         "default",
-				Type:          "scheduled_task",
-				Payload:       []byte("payload"),
-				Headers:       headers,
-				State:         TaskStateScheduled,
-				MaxRetry:      defaultMaxRetry,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: oneHourLater,
-			},
-			wantScheduled: map[string][]base.Z{
-				"default": {
-					{
-						Message: &base.TaskMessage{
-							Type:     "scheduled_task",
-							Payload:  []byte("payload"),
-							Headers:  headers,
-							Retry:    defaultMaxRetry,
-							Queue:    "default",
-							Timeout:  int64(defaultTimeout.Seconds()),
-							Deadline: noDeadline.Unix(),
-						},
-						Score: oneHourLater.Unix(),
-					},
-				},
-			},
-		},
-	}
-
-	for _, tc := range tests {
-		h.FlushDB(t, r)
-
-		opts := append(tc.opts, ProcessAt(tc.processAt))
-		gotInfo, err := client.Enqueue(tc.task, opts...)
-		if err != nil {
-			t.Errorf("%s: Enqueue failed: %v", tc.desc, err)
-			continue
-		}
-
-		cmpOptions := []cmp.Option{
-			cmpopts.IgnoreFields(TaskInfo{}, "ID"),
-			cmpopts.EquateApproxTime(500 * time.Millisecond),
-		}
-		if diff := cmp.Diff(tc.wantInfo, gotInfo, cmpOptions...); diff != "" {
-			t.Errorf("%s;\nEnqueue(task, ProcessAt(%v)) returned %v, want %v; (-want,+got)\n%s",
-				tc.desc, tc.processAt, gotInfo, tc.wantInfo, diff)
-		}
-
-		for qname, want := range tc.wantScheduled {
-			gotScheduled := h.GetScheduledEntries(t, r, qname)
-			if diff := cmp.Diff(want, gotScheduled, h.IgnoreIDOpt, cmpopts.EquateEmpty()); diff != "" {
-				t.Errorf("%s;\nmismatch found in %q; (-want,+got)\n%s", tc.desc, base.ScheduledKey(qname), diff)
-			}
-		}
-	}
-}
-
-func TestNewTaskWithHeaders(t *testing.T) {
-	tests := []struct {
-		desc     string
-		typename string
-		payload  []byte
-		headers  map[string]string
-		opts     []Option
-		want     *Task
-	}{
-		{
-			desc:     "Task with headers",
-			typename: "test_task",
-			payload:  []byte("test payload"),
-			headers:  map[string]string{"key1": "value1", "key2": "value2"},
-			opts:     []Option{MaxRetry(3)},
-			want: &Task{
-				typename: "test_task",
-				payload:  []byte("test payload"),
-				headers:  map[string]string{"key1": "value1", "key2": "value2"},
-				opts:     []Option{MaxRetry(3)},
-			},
-		},
-		{
-			desc:     "Task with empty headers",
-			typename: "empty_headers",
-			payload:  nil,
-			headers:  map[string]string{},
-			opts:     nil,
-			want: &Task{
-				typename: "empty_headers",
-				payload:  nil,
-				headers:  map[string]string{},
-				opts:     nil,
-			},
-		},
-		{
-			desc:     "Task with nil headers",
-			typename: "nil_headers",
-			payload:  []byte("data"),
-			headers:  nil,
-			opts:     []Option{Queue("test")},
-			want: &Task{
-				typename: "nil_headers",
-				payload:  []byte("data"),
-				headers:  nil,
-				opts:     []Option{Queue("test")},
-			},
-		},
-	}
-
-	for _, tc := range tests {
-		got := NewTaskWithHeaders(tc.typename, tc.payload, tc.headers, tc.opts...)
-
-		if got.Type() != tc.want.typename {
-			t.Errorf("%s: Type() = %q, want %q", tc.desc, got.Type(), tc.want.typename)
-		}
-
-		if diff := cmp.Diff(tc.want.payload, got.Payload()); diff != "" {
-			t.Errorf("%s: Payload() mismatch (-want,+got)\n%s", tc.desc, diff)
-		}
-
-		if diff := cmp.Diff(tc.want.headers, got.Headers()); diff != "" {
-			t.Errorf("%s: Headers() mismatch (-want,+got)\n%s", tc.desc, diff)
-		}
-
-		if tc.headers != nil && got.Headers() != nil {
-			tc.headers["modified"] = "test"
-			if _, exists := got.Headers()["modified"]; exists {
-				t.Errorf("%s: Headers should be cloned, but modification affected task headers", tc.desc)
-			}
-		}
-	}
-}
-
-func TestTaskHeadersMethod(t *testing.T) {
-	tests := []struct {
-		desc    string
-		task    *Task
-		want    map[string]string
-		wantNil bool
-	}{
-		{
-			desc:    "Task created with NewTask has nil headers",
-			task:    NewTask("test", []byte("data")),
-			want:    nil,
-			wantNil: true,
-		},
-		{
-			desc: "Task created with NewTaskWithHeaders has headers",
-			task: NewTaskWithHeaders("test", []byte("data"), map[string]string{"key": "value"}),
-			want: map[string]string{"key": "value"},
-		},
-		{
-			desc: "Task created with empty headers",
-			task: NewTaskWithHeaders("test", []byte("data"), map[string]string{}),
-			want: map[string]string{},
-		},
-		{
-			desc:    "Task created with nil headers",
-			task:    NewTaskWithHeaders("test", []byte("data"), nil),
-			want:    nil,
-			wantNil: true,
-		},
-	}
-
-	for _, tc := range tests {
-		got := tc.task.Headers()
-
-		if tc.wantNil {
-			if got != nil {
-				t.Errorf("%s: Headers() = %v, want nil", tc.desc, got)
-			}
-		} else {
-			if diff := cmp.Diff(tc.want, got); diff != "" {
-				t.Errorf("%s: Headers() mismatch (-want,+got)\n%s", tc.desc, diff)
-			}
-		}
-	}
-}
-
-func TestClientEnqueueWithHeadersAndGroup(t *testing.T) {
-	r := setup(t)
-	client := NewClient(getRedisConnOpt(t))
-	defer client.Close()
-
-	now := time.Now()
-	headers := map[string]string{
-		"batch-id": "batch-123",
-		"priority": "high",
-	}
-
-	tests := []struct {
-		desc       string
-		task       *Task
-		opts       []Option
-		wantInfo   *TaskInfo
-		wantGroups map[string]map[string][]base.Z
-	}{
-		{
-			desc: "Task with headers and group",
-			task: NewTaskWithHeaders("batch_process", []byte("item1"), headers),
-			opts: []Option{Group("batch-123")},
-			wantInfo: &TaskInfo{
-				Queue:         "default",
-				Group:         "batch-123",
-				Type:          "batch_process",
-				Payload:       []byte("item1"),
-				Headers:       headers,
-				State:         TaskStateAggregating,
-				MaxRetry:      defaultMaxRetry,
-				Retried:       0,
-				LastErr:       "",
-				LastFailedAt:  time.Time{},
-				Timeout:       defaultTimeout,
-				Deadline:      time.Time{},
-				NextProcessAt: time.Time{},
-			},
-			wantGroups: map[string]map[string][]base.Z{
-				"default": {
-					"batch-123": {
-						{
-							Message: &base.TaskMessage{
-								Type:     "batch_process",
-								Payload:  []byte("item1"),
-								Headers:  headers,
-								Retry:    defaultMaxRetry,
-								Queue:    "default",
-								Timeout:  int64(defaultTimeout.Seconds()),
-								Deadline: noDeadline.Unix(),
-								GroupKey: "batch-123",
-							},
-							Score: now.Unix(),
-						},
-					},
-				},
-			},
-		},
-	}
-
-	for _, tc := range tests {
-		h.FlushDB(t, r)
-
-		gotInfo, err := client.Enqueue(tc.task, tc.opts...)
-		if err != nil {
-			t.Errorf("%s: Enqueue failed: %v", tc.desc, err)
-			continue
-		}
-
-		cmpOptions := []cmp.Option{
-			cmpopts.IgnoreFields(TaskInfo{}, "ID"),
-			cmpopts.EquateApproxTime(500 * time.Millisecond),
-		}
-		if diff := cmp.Diff(tc.wantInfo, gotInfo, cmpOptions...); diff != "" {
-			t.Errorf("%s;\nEnqueue(task) returned %v, want %v; (-want,+got)\n%s",
-				tc.desc, gotInfo, tc.wantInfo, diff)
-		}
-
-		for qname, groups := range tc.wantGroups {
-			for groupKey, want := range groups {
-				got := h.GetGroupEntries(t, r, qname, groupKey)
-				if diff := cmp.Diff(want, got, h.IgnoreIDOpt, cmpopts.EquateEmpty()); diff != "" {
-					t.Errorf("%s;\nmismatch found in %q; (-want,+got)\n%s", tc.desc, base.GroupKey(qname, groupKey), diff)
-				}
-			}
-		}
-	}
-}
--- a/doc.go
+++ b/doc.go
@@ -8,41 +8,41 @@ Package asynq provides a framework for Redis based distrubted task queue.
 Asynq uses Redis as a message broker. To connect to redis,
 specify the connection using one of RedisConnOpt types.

-	redisConnOpt = asynq.RedisClientOpt{
-	    Addr:     "127.0.0.1:6379",
-	    Password: "xxxxx",
-	    DB:       2,
-	}
+    redisConnOpt = asynq.RedisClientOpt{
+        Addr:     "127.0.0.1:6379",
+        Password: "xxxxx",
+        DB:       2,
+    }

 The Client is used to enqueue a task.

-	client := asynq.NewClient(redisConnOpt)

-	// Task is created with two parameters: its type and payload.
-	// Payload data is simply an array of bytes. It can be encoded in JSON, Protocol Buffer, Gob, etc.
-	b, err := json.Marshal(ExamplePayload{UserID: 42})
-	if err != nil {
-	    log.Fatal(err)
-	}
+    client := asynq.NewClient(redisConnOpt)

-	task := asynq.NewTask("example", b)
+    // Task is created with two parameters: its type and payload.
+    // Payload data is simply an array of bytes. It can be encoded in JSON, Protocol Buffer, Gob, etc.
+    b, err := json.Marshal(ExamplePayload{UserID: 42})
+    if err != nil {
+        log.Fatal(err)
+    }

-	// Enqueue the task to be processed immediately.
-	info, err := client.Enqueue(task)
+    task := asynq.NewTask("example", b)

-	// Schedule the task to be processed after one minute.
-	info, err = client.Enqueue(t, asynq.ProcessIn(1*time.Minute))
+    // Enqueue the task to be processed immediately.
+    info, err := client.Enqueue(task)
+
+    // Schedule the task to be processed after one minute.
+    info, err = client.Enqueue(t, asynq.ProcessIn(1*time.Minute))

 The Server is used to run the task processing workers with a given
 handler.
+    srv := asynq.NewServer(redisConnOpt, asynq.Config{
+        Concurrency: 10,
+    })

-	srv := asynq.NewServer(redisConnOpt, asynq.Config{
-	    Concurrency: 10,
-	})
-
-	if err := srv.Run(handler); err != nil {
-	    log.Fatal(err)
-	}
+    if err := srv.Run(handler); err != nil {
+        log.Fatal(err)
+    }

 Handler is an interface type with a method which
 takes a task and returns an error. Handler should return nil if
@@ -50,24 +50,23 @@ the processing is successful, otherwise return a non-nil error.
 If handler panics or returns a non-nil error, the task will be retried in the future.

 Example of a type that implements the Handler interface.
+    type TaskHandler struct {
+        // ...
+    }

-	type TaskHandler struct {
-	    // ...
-	}
+    func (h *TaskHandler) ProcessTask(ctx context.Context, task *asynq.Task) error {
+        switch task.Type {
+        case "example":
+            var data ExamplePayload
+            if err := json.Unmarshal(task.Payload(), &data); err != nil {
+                return err
+            }
+            // perform task with the data

-	func (h *TaskHandler) ProcessTask(ctx context.Context, task *asynq.Task) error {
-	    switch task.Type {
-	    case "example":
-	        var data ExamplePayload
-	        if err := json.Unmarshal(task.Payload(), &data); err != nil {
-	            return err
-	        }
-	        // perform task with the data
-
-	    default:
-	        return fmt.Errorf("unexpected task type %q", task.Type)
-	    }
-	    return nil
-	}
+        default:
+            return fmt.Errorf("unexpected task type %q", task.Type)
+        }
+        return nil
+    }
 */
 package asynq
--- a/example_test.go
+++ b/example_test.go
@@ -123,7 +123,7 @@ func ExampleResultWriter() {
 		res := []byte("task result data")
 		n, err := task.ResultWriter().Write(res) // implements io.Writer
 		if err != nil {
-			return fmt.Errorf("failed to write task result: %w", err)
+			return fmt.Errorf("failed to write task result: %v", err)
 		}
 		log.Printf(" %d bytes written", n)
 		return nil
--- a/go.mod
+++ b/go.mod
@@ -1,20 +1,20 @@
 module github.com/hibiken/asynq

-go 1.24.0
+go 1.22

 require (
-	github.com/google/go-cmp v0.7.0
+	github.com/google/go-cmp v0.6.0
 	github.com/google/uuid v1.6.0
-	github.com/redis/go-redis/v9 v9.14.1
+	github.com/redis/go-redis/v9 v9.7.0
 	github.com/robfig/cron/v3 v3.0.1
-	github.com/spf13/cast v1.10.0
+	github.com/spf13/cast v1.7.0
 	go.uber.org/goleak v1.3.0
-	golang.org/x/sys v0.37.0
-	golang.org/x/time v0.14.0
-	google.golang.org/protobuf v1.36.10
+	golang.org/x/sys v0.26.0
+	golang.org/x/time v0.8.0
+	google.golang.org/protobuf v1.35.1
 )

 require (
-	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -2,16 +2,16 @@ github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
-github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
-github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
@@ -20,23 +20,23 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/redis/go-redis/v9 v9.14.1 h1:nDCrEiJmfOWhD76xlaw+HXT0c9hfNWeXgl0vIRYSDvQ=
-github.com/redis/go-redis/v9 v9.14.1/go.mod h1:huWgSWd8mW6+m0VPhJjSSQ+d6Nh1VICQ6Q5lHuCH/Iw=
+github.com/redis/go-redis/v9 v9.7.0 h1:HhLSs+B6O021gwzl+locl0zEDnyNkxMtf/Z3NNBMa9E=
+github.com/redis/go-redis/v9 v9.7.0/go.mod h1:f6zhXITC7JUJIlPEiBOTXxJgPLdZcA93GewI7inzyWw=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
-github.com/spf13/cast v1.10.0 h1:h2x0u2shc1QuLHfxi+cTJvs30+ZAHOGRic8uyGTDWxY=
-github.com/spf13/cast v1.10.0/go.mod h1:jNfB8QC9IA6ZuY2ZjDp0KtFO2LZZlg4S/7bzP6qqeHo=
+github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
+github.com/spf13/cast v1.7.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
-golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/time v0.8.0 h1:9i3RxcPv3PZnitoVGMPDKZSq1xW1gK1Xy3ArNOGZfEg=
+golang.org/x/time v0.8.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
+google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/inspector.go
+++ b/inspector.go
@@ -245,7 +245,7 @@ func (i *Inspector) GetTaskInfo(queue, id string) (*TaskInfo, error) {
 	case errors.IsTaskNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrTaskNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	return newTaskInfo(info.Message, info.State, info.NextProcessAt, info.Result), nil
 }
@@ -316,7 +316,7 @@ func Page(n int) ListOption {
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListPendingTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -325,7 +325,7 @@ func (i *Inspector) ListPendingTasks(queue string, opts ...ListOption) ([]*TaskI
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -344,7 +344,7 @@ func (i *Inspector) ListPendingTasks(queue string, opts ...ListOption) ([]*TaskI
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListActiveTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -353,11 +353,11 @@ func (i *Inspector) ListActiveTasks(queue string, opts ...ListOption) ([]*TaskIn
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	expired, err := i.rdb.ListLeaseExpired(time.Now(), queue)
 	if err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	expiredSet := make(map[string]struct{}) // set of expired message IDs
 	for _, msg := range expired {
@@ -384,7 +384,7 @@ func (i *Inspector) ListActiveTasks(queue string, opts ...ListOption) ([]*TaskIn
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListAggregatingTasks(queue, group string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -393,7 +393,7 @@ func (i *Inspector) ListAggregatingTasks(queue, group string, opts ...ListOption
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -413,7 +413,7 @@ func (i *Inspector) ListAggregatingTasks(queue, group string, opts ...ListOption
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListScheduledTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -422,7 +422,7 @@ func (i *Inspector) ListScheduledTasks(queue string, opts ...ListOption) ([]*Tas
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -442,7 +442,7 @@ func (i *Inspector) ListScheduledTasks(queue string, opts ...ListOption) ([]*Tas
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListRetryTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -451,7 +451,7 @@ func (i *Inspector) ListRetryTasks(queue string, opts ...ListOption) ([]*TaskInf
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -471,7 +471,7 @@ func (i *Inspector) ListRetryTasks(queue string, opts ...ListOption) ([]*TaskInf
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListArchivedTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -480,7 +480,7 @@ func (i *Inspector) ListArchivedTasks(queue string, opts ...ListOption) ([]*Task
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -500,7 +500,7 @@ func (i *Inspector) ListArchivedTasks(queue string, opts ...ListOption) ([]*Task
 // By default, it retrieves the first 30 tasks.
 func (i *Inspector) ListCompletedTasks(queue string, opts ...ListOption) ([]*TaskInfo, error) {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	opt := composeListOptions(opts...)
 	pgn := rdb.Pagination{Size: opt.pageSize, Page: opt.pageNum - 1}
@@ -509,7 +509,7 @@ func (i *Inspector) ListCompletedTasks(queue string, opts ...ListOption) ([]*Tas
 	case errors.IsQueueNotFound(err):
 		return nil, fmt.Errorf("asynq: %w", ErrQueueNotFound)
 	case err != nil:
-		return nil, fmt.Errorf("asynq: %w", err)
+		return nil, fmt.Errorf("asynq: %v", err)
 	}
 	var tasks []*TaskInfo
 	for _, i := range infos {
@@ -583,30 +583,6 @@ func (i *Inspector) DeleteAllAggregatingTasks(queue, group string) (int, error)
 	return int(n), err
 }

-// UpdateTaskPayload updates a task with the given id from the given queue with given payload.
-// The task needs to be in scheduled state,
-// otherwise UpdateTaskPayload will return an error.
-//
-// If a queue with the given name doesn't exist, it returns an error wrapping ErrQueueNotFound.
-// If a task with the given id doesn't exist in the queue, it returns an error wrapping ErrTaskNotFound.
-// If the task is not in scheduled state, it returns a non-nil error.
-func (i *Inspector) UpdateTaskPayload(queue, id string, payload []byte) error {
-	if err := base.ValidateQueueName(queue); err != nil {
-		return fmt.Errorf("asynq: %v", err)
-	}
-	err := i.rdb.UpdateTaskPayload(queue, id, payload)
-	switch {
-	case errors.IsQueueNotFound(err):
-		return fmt.Errorf("asynq: %w", ErrQueueNotFound)
-	case errors.IsTaskNotFound(err):
-		return fmt.Errorf("asynq: %w", ErrTaskNotFound)
-	case err != nil:
-		return fmt.Errorf("asynq: %v", err)
-	}
-	return nil
-
-}
-
 // DeleteTask deletes a task with the given id from the given queue.
 // The task needs to be in pending, scheduled, retry, or archived state,
 // otherwise DeleteTask will return an error.
@@ -616,7 +592,7 @@ func (i *Inspector) UpdateTaskPayload(queue, id string, payload []byte) error {
 // If the task is in active state, it returns a non-nil error.
 func (i *Inspector) DeleteTask(queue, id string) error {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	err := i.rdb.DeleteTask(queue, id)
 	switch {
@@ -625,7 +601,7 @@ func (i *Inspector) DeleteTask(queue, id string) error {
 	case errors.IsTaskNotFound(err):
 		return fmt.Errorf("asynq: %w", ErrTaskNotFound)
 	case err != nil:
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	return nil

@@ -680,7 +656,7 @@ func (i *Inspector) RunAllAggregatingTasks(queue, group string) (int, error) {
 // If the task is in pending or active state, it returns a non-nil error.
 func (i *Inspector) RunTask(queue, id string) error {
 	if err := base.ValidateQueueName(queue); err != nil {
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	err := i.rdb.RunTask(queue, id)
 	switch {
@@ -689,7 +665,7 @@ func (i *Inspector) RunTask(queue, id string) error {
 	case errors.IsTaskNotFound(err):
 		return fmt.Errorf("asynq: %w", ErrTaskNotFound)
 	case err != nil:
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	return nil
 }
@@ -752,7 +728,7 @@ func (i *Inspector) ArchiveTask(queue, id string) error {
 	case errors.IsTaskNotFound(err):
 		return fmt.Errorf("asynq: %w", ErrTaskNotFound)
 	case err != nil:
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	return nil
 }
--- a/inspector_test.go
+++ b/inspector_test.go
@@ -2369,148 +2369,6 @@ func TestInspectorRunAllArchivedTasks(t *testing.T) {
 	}
 }

-func TestInspectorUpdateTaskPayloadUpdatesScheduledTaskPayload(t *testing.T) {
-	r := setup(t)
-	defer r.Close()
-	m1_old := h.NewTaskMessage("task1", []byte("m1_old"))
-	m1_new := h.NewTaskMessage("task1", nil)
-	m1_new.ID = m1_old.ID
-	m2_old := h.NewTaskMessage("task2", nil)
-	m2_new := h.NewTaskMessage("task2", []byte("m2_new"))
-	m2_new.ID = m2_old.ID
-	m3_old := h.NewTaskMessageWithQueue("task3", []byte("m3_old"), "custom")
-	m3_new := h.NewTaskMessageWithQueue("task3", []byte("m3_new"), "custom")
-	m3_new.ID = m3_old.ID
-
-	now := time.Now()
-	z1_old := base.Z{Message: m1_old, Score: now.Add(5 * time.Minute).Unix()}
-	z1_new := base.Z{Message: m1_new, Score: now.Add(5 * time.Minute).Unix()}
-	z2_old := base.Z{Message: m2_old, Score: now.Add(15 * time.Minute).Unix()}
-	z2_new := base.Z{Message: m2_new, Score: now.Add(15 * time.Minute).Unix()}
-	z3_old := base.Z{Message: m3_old, Score: now.Add(2 * time.Minute).Unix()}
-	z3_new := base.Z{Message: m3_new, Score: now.Add(2 * time.Minute).Unix()}
-
-	inspector := NewInspector(getRedisConnOpt(t))
-
-	tests := []struct {
-		scheduled     map[string][]base.Z
-		qname         string
-		id            string
-		newPayload    []byte
-		wantScheduled map[string][]base.Z
-	}{
-		{
-			scheduled: map[string][]base.Z{
-				"default": {z1_old, z2_old},
-				"custom":  {z3_old},
-			},
-			qname:      "default",
-			id:         createScheduledTask(z2_old).ID,
-			newPayload: m2_new.Payload,
-			wantScheduled: map[string][]base.Z{
-				"default": {z1_old, z2_new},
-				"custom":  {z3_old},
-			},
-		},
-		{
-			scheduled: map[string][]base.Z{
-				"default": {z1_old, z2_old},
-				"custom":  {z3_old},
-			},
-			qname:      "default",
-			id:         createScheduledTask(z1_old).ID,
-			newPayload: m1_new.Payload,
-			wantScheduled: map[string][]base.Z{
-				"default": {z1_new, z2_old},
-				"custom":  {z3_old},
-			},
-		},
-		{
-			scheduled: map[string][]base.Z{
-				"default": {z1_old, z2_old},
-				"custom":  {z3_old},
-			},
-			qname:      "custom",
-			id:         createScheduledTask(z3_old).ID,
-			newPayload: m3_new.Payload,
-			wantScheduled: map[string][]base.Z{
-				"default": {z1_old, z2_old},
-				"custom":  {z3_new},
-			},
-		},
-	}
-
-	for _, tc := range tests {
-		h.FlushDB(t, r)
-		h.SeedAllScheduledQueues(t, r, tc.scheduled)
-
-		if err := inspector.UpdateTaskPayload(tc.qname, tc.id, tc.newPayload); err != nil {
-			t.Errorf("UpdateTask(%q, %q) returned error: %v", tc.qname, tc.id, err)
-		}
-		for qname, want := range tc.wantScheduled {
-			gotScheduled := h.GetScheduledEntries(t, r, qname)
-			if diff := cmp.Diff(want, gotScheduled, h.SortZSetEntryOpt); diff != "" {
-				t.Errorf("unexpected scheduled tasks in queue %q: (-want, +got)\n%s", qname, diff)
-			}
-
-		}
-	}
-}
-
-func TestInspectorUpdateTaskPayloadError(t *testing.T) {
-	r := setup(t)
-	defer r.Close()
-	m1 := h.NewTaskMessage("task1", nil)
-	m2 := h.NewTaskMessage("task2", nil)
-	m3 := h.NewTaskMessageWithQueue("task3", nil, "custom")
-
-	now := time.Now()
-	z1 := base.Z{Message: m1, Score: now.Add(5 * time.Minute).Unix()}
-	z2 := base.Z{Message: m2, Score: now.Add(15 * time.Minute).Unix()}
-	z3 := base.Z{Message: m3, Score: now.Add(2 * time.Minute).Unix()}
-
-	inspector := NewInspector(getRedisConnOpt(t))
-
-	tests := []struct {
-		tasks      map[string][]base.Z
-		qname      string
-		id         string
-		newPayload []byte
-		wantErr    error
-	}{
-		{
-			tasks: map[string][]base.Z{
-				"default": {z1, z2},
-				"custom":  {z3},
-			},
-			qname:      "nonexistent",
-			id:         createScheduledTask(z2).ID,
-			newPayload: nil,
-			wantErr:    ErrQueueNotFound,
-		},
-		{
-			tasks: map[string][]base.Z{
-				"default": {z1, z2},
-				"custom":  {z3},
-			},
-			qname:      "default",
-			id:         uuid.NewString(),
-			newPayload: nil,
-			wantErr:    ErrTaskNotFound,
-		},
-	}
-
-	for _, tc := range tests {
-		h.FlushDB(t, r)
-		h.SeedAllScheduledQueues(t, r, tc.tasks)
-
-		if err := inspector.UpdateTaskPayload(tc.qname, tc.id, tc.newPayload); !errors.Is(err, tc.wantErr) {
-			t.Errorf("UpdateTask(%q, %q) = %v, want %v", tc.qname, tc.id, err, tc.wantErr)
-			continue
-		}
-	}
-}
-
 func TestInspectorDeleteTaskDeletesPendingTask(t *testing.T) {
 	r := setup(t)
 	defer r.Close()
--- a/internal/base/base.go
+++ b/internal/base/base.go
@@ -23,7 +23,7 @@ import (
 )

 // Version of asynq library and CLI.
-const Version = "0.26.0"
+const Version = "0.25.0"

 // DefaultQueueName is the queue name used if none are specified by user.
 const DefaultQueueName = "default"
@@ -240,9 +240,6 @@ type TaskMessage struct {
 	// Payload holds data needed to process the task.
 	Payload []byte

-	// Headers holds additional metadata for the task.
-	Headers map[string]string
-
 	// ID is a unique identifier for each task.
 	ID string

@@ -307,7 +304,6 @@ func EncodeMessage(msg *TaskMessage) ([]byte, error) {
 	return proto.Marshal(&pb.TaskMessage{
 		Type:         msg.Type,
 		Payload:      msg.Payload,
-		Headers:      msg.Headers,
 		Id:           msg.ID,
 		Queue:        msg.Queue,
 		Retry:        int32(msg.Retry),
@@ -332,7 +328,6 @@ func DecodeMessage(data []byte) (*TaskMessage, error) {
 	return &TaskMessage{
 		Type:         pbmsg.GetType(),
 		Payload:      pbmsg.GetPayload(),
-		Headers:      pbmsg.GetHeaders(),
 		ID:           pbmsg.GetId(),
 		Queue:        pbmsg.GetQueue(),
 		Retry:        int(pbmsg.GetRetry()),
--- a/internal/errors/errors.go
+++ b/internal/errors/errors.go
@@ -107,7 +107,6 @@ type Op string
 // only the last one is recorded.
 //
 // The types are:
-//
 //	errors.Op
 //		The operation being performed, usually the method
 //		being invoked (Get, Put, etc.).
--- a/internal/proto/asynq.pb.go
+++ b/internal/proto/asynq.pb.go
@@ -4,8 +4,8 @@

 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.6
-// 	protoc        v5.29.3
+// 	protoc-gen-go v1.34.2
+// 	protoc        v3.19.6
 // source: asynq.proto

 package proto
@@ -16,7 +16,6 @@ import (
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
-	unsafe "unsafe"
 )

 const (
@@ -28,15 +27,16 @@ const (

 // TaskMessage is the internal representation of a task with additional
 // metadata fields.
-// Next ID: 16
+// Next ID: 15
 type TaskMessage struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Type indicates the kind of the task to be performed.
 	Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
 	// Payload holds data needed to process the task.
 	Payload []byte `protobuf:"bytes,2,opt,name=payload,proto3" json:"payload,omitempty"`
-	// Headers holds additional metadata for the task.
-	Headers map[string]string `protobuf:"bytes,15,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
 	// Unique identifier for the task.
 	Id string `protobuf:"bytes,3,opt,name=id,proto3" json:"id,omitempty"`
 	// Name of the queue to which this task belongs.
@@ -71,16 +71,16 @@ type TaskMessage struct {
 	// Time when the task completed in success in Unix time,
 	// the number of seconds elapsed since January 1, 1970 UTC.
 	// This field is populated if result_ttl > 0 upon completion.
-	CompletedAt   int64 `protobuf:"varint,13,opt,name=completed_at,json=completedAt,proto3" json:"completed_at,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
+	CompletedAt int64 `protobuf:"varint,13,opt,name=completed_at,json=completedAt,proto3" json:"completed_at,omitempty"`
 }

 func (x *TaskMessage) Reset() {
 	*x = TaskMessage{}
-	mi := &file_asynq_proto_msgTypes[0]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_asynq_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }

 func (x *TaskMessage) String() string {
@@ -91,7 +91,7 @@ func (*TaskMessage) ProtoMessage() {}

 func (x *TaskMessage) ProtoReflect() protoreflect.Message {
 	mi := &file_asynq_proto_msgTypes[0]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -120,13 +120,6 @@ func (x *TaskMessage) GetPayload() []byte {
 	return nil
 }

-func (x *TaskMessage) GetHeaders() map[string]string {
-	if x != nil {
-		return x.Headers
-	}
-	return nil
-}
-
 func (x *TaskMessage) GetId() string {
 	if x != nil {
 		return x.Id
@@ -213,7 +206,10 @@ func (x *TaskMessage) GetCompletedAt() int64 {

 // ServerInfo holds information about a running server.
 type ServerInfo struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Host machine the server is running on.
 	Host string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
 	// PID of the server process.
@@ -225,7 +221,7 @@ type ServerInfo struct {
 	// List of queue names with their priorities.
 	// The server will consume tasks from the queues and prioritize
 	// queues with higher priority numbers.
-	Queues map[string]int32 `protobuf:"bytes,5,rep,name=queues,proto3" json:"queues,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"`
+	Queues map[string]int32 `protobuf:"bytes,5,rep,name=queues,proto3" json:"queues,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
 	// If set, the server will always consume tasks from a queue with higher
 	// priority.
 	StrictPriority bool `protobuf:"varint,6,opt,name=strict_priority,json=strictPriority,proto3" json:"strict_priority,omitempty"`
@@ -235,15 +231,15 @@ type ServerInfo struct {
 	StartTime *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
 	// Number of workers currently processing tasks.
 	ActiveWorkerCount int32 `protobuf:"varint,9,opt,name=active_worker_count,json=activeWorkerCount,proto3" json:"active_worker_count,omitempty"`
-	unknownFields     protoimpl.UnknownFields
-	sizeCache         protoimpl.SizeCache
 }

 func (x *ServerInfo) Reset() {
 	*x = ServerInfo{}
-	mi := &file_asynq_proto_msgTypes[1]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_asynq_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }

 func (x *ServerInfo) String() string {
@@ -254,7 +250,7 @@ func (*ServerInfo) ProtoMessage() {}

 func (x *ServerInfo) ProtoReflect() protoreflect.Message {
 	mi := &file_asynq_proto_msgTypes[1]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -334,7 +330,10 @@ func (x *ServerInfo) GetActiveWorkerCount() int32 {

 // WorkerInfo holds information about a running worker.
 type WorkerInfo struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Host matchine this worker is running on.
 	Host string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
 	// PID of the process in which this worker is running.
@@ -353,16 +352,16 @@ type WorkerInfo struct {
 	StartTime *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
 	// Deadline by which the worker needs to complete processing
 	// the task. If worker exceeds the deadline, the task will fail.
-	Deadline      *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=deadline,proto3" json:"deadline,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
+	Deadline *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=deadline,proto3" json:"deadline,omitempty"`
 }

 func (x *WorkerInfo) Reset() {
 	*x = WorkerInfo{}
-	mi := &file_asynq_proto_msgTypes[2]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_asynq_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }

 func (x *WorkerInfo) String() string {
@@ -373,7 +372,7 @@ func (*WorkerInfo) ProtoMessage() {}

 func (x *WorkerInfo) ProtoReflect() protoreflect.Message {
 	mi := &file_asynq_proto_msgTypes[2]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -454,7 +453,10 @@ func (x *WorkerInfo) GetDeadline() *timestamppb.Timestamp {
 // SchedulerEntry holds information about a periodic task registered
 // with a scheduler.
 type SchedulerEntry struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Identifier of the scheduler entry.
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	// Periodic schedule spec of the entry.
@@ -470,15 +472,15 @@ type SchedulerEntry struct {
 	// Last time the task was enqueued.
 	// Zero time if task was never enqueued.
 	PrevEnqueueTime *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=prev_enqueue_time,json=prevEnqueueTime,proto3" json:"prev_enqueue_time,omitempty"`
-	unknownFields   protoimpl.UnknownFields
-	sizeCache       protoimpl.SizeCache
 }

 func (x *SchedulerEntry) Reset() {
 	*x = SchedulerEntry{}
-	mi := &file_asynq_proto_msgTypes[3]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_asynq_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }

 func (x *SchedulerEntry) String() string {
@@ -489,7 +491,7 @@ func (*SchedulerEntry) ProtoMessage() {}

 func (x *SchedulerEntry) ProtoReflect() protoreflect.Message {
 	mi := &file_asynq_proto_msgTypes[3]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -556,20 +558,23 @@ func (x *SchedulerEntry) GetPrevEnqueueTime() *timestamppb.Timestamp {
 // SchedulerEnqueueEvent holds information about an enqueue event
 // by a scheduler.
 type SchedulerEnqueueEvent struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// ID of the task that was enqueued.
 	TaskId string `protobuf:"bytes,1,opt,name=task_id,json=taskId,proto3" json:"task_id,omitempty"`
 	// Time the task was enqueued.
-	EnqueueTime   *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=enqueue_time,json=enqueueTime,proto3" json:"enqueue_time,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
+	EnqueueTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=enqueue_time,json=enqueueTime,proto3" json:"enqueue_time,omitempty"`
 }

 func (x *SchedulerEnqueueEvent) Reset() {
 	*x = SchedulerEnqueueEvent{}
-	mi := &file_asynq_proto_msgTypes[4]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_asynq_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }

 func (x *SchedulerEnqueueEvent) String() string {
@@ -580,7 +585,7 @@ func (*SchedulerEnqueueEvent) ProtoMessage() {}

 func (x *SchedulerEnqueueEvent) ProtoReflect() protoreflect.Message {
 	mi := &file_asynq_proto_msgTypes[4]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -611,106 +616,146 @@ func (x *SchedulerEnqueueEvent) GetEnqueueTime() *timestamppb.Timestamp {

 var File_asynq_proto protoreflect.FileDescriptor

-const file_asynq_proto_rawDesc = "" +
-	"\n" +
-	"\vasynq.proto\x12\x05asynq\x1a\x1fgoogle/protobuf/timestamp.proto\"\xfe\x03\n" +
-	"\vTaskMessage\x12\x12\n" +
-	"\x04type\x18\x01 \x01(\tR\x04type\x12\x18\n" +
-	"\apayload\x18\x02 \x01(\fR\apayload\x129\n" +
-	"\aheaders\x18\x0f \x03(\v2\x1f.asynq.TaskMessage.HeadersEntryR\aheaders\x12\x0e\n" +
-	"\x02id\x18\x03 \x01(\tR\x02id\x12\x14\n" +
-	"\x05queue\x18\x04 \x01(\tR\x05queue\x12\x14\n" +
-	"\x05retry\x18\x05 \x01(\x05R\x05retry\x12\x18\n" +
-	"\aretried\x18\x06 \x01(\x05R\aretried\x12\x1b\n" +
-	"\terror_msg\x18\a \x01(\tR\berrorMsg\x12$\n" +
-	"\x0elast_failed_at\x18\v \x01(\x03R\flastFailedAt\x12\x18\n" +
-	"\atimeout\x18\b \x01(\x03R\atimeout\x12\x1a\n" +
-	"\bdeadline\x18\t \x01(\x03R\bdeadline\x12\x1d\n" +
-	"\n" +
-	"unique_key\x18\n" +
-	" \x01(\tR\tuniqueKey\x12\x1b\n" +
-	"\tgroup_key\x18\x0e \x01(\tR\bgroupKey\x12\x1c\n" +
-	"\tretention\x18\f \x01(\x03R\tretention\x12!\n" +
-	"\fcompleted_at\x18\r \x01(\x03R\vcompletedAt\x1a:\n" +
-	"\fHeadersEntry\x12\x10\n" +
-	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
-	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01\"\x8f\x03\n" +
-	"\n" +
-	"ServerInfo\x12\x12\n" +
-	"\x04host\x18\x01 \x01(\tR\x04host\x12\x10\n" +
-	"\x03pid\x18\x02 \x01(\x05R\x03pid\x12\x1b\n" +
-	"\tserver_id\x18\x03 \x01(\tR\bserverId\x12 \n" +
-	"\vconcurrency\x18\x04 \x01(\x05R\vconcurrency\x125\n" +
-	"\x06queues\x18\x05 \x03(\v2\x1d.asynq.ServerInfo.QueuesEntryR\x06queues\x12'\n" +
-	"\x0fstrict_priority\x18\x06 \x01(\bR\x0estrictPriority\x12\x16\n" +
-	"\x06status\x18\a \x01(\tR\x06status\x129\n" +
-	"\n" +
-	"start_time\x18\b \x01(\v2\x1a.google.protobuf.TimestampR\tstartTime\x12.\n" +
-	"\x13active_worker_count\x18\t \x01(\x05R\x11activeWorkerCount\x1a9\n" +
-	"\vQueuesEntry\x12\x10\n" +
-	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
-	"\x05value\x18\x02 \x01(\x05R\x05value:\x028\x01\"\xb1\x02\n" +
-	"\n" +
-	"WorkerInfo\x12\x12\n" +
-	"\x04host\x18\x01 \x01(\tR\x04host\x12\x10\n" +
-	"\x03pid\x18\x02 \x01(\x05R\x03pid\x12\x1b\n" +
-	"\tserver_id\x18\x03 \x01(\tR\bserverId\x12\x17\n" +
-	"\atask_id\x18\x04 \x01(\tR\x06taskId\x12\x1b\n" +
-	"\ttask_type\x18\x05 \x01(\tR\btaskType\x12!\n" +
-	"\ftask_payload\x18\x06 \x01(\fR\vtaskPayload\x12\x14\n" +
-	"\x05queue\x18\a \x01(\tR\x05queue\x129\n" +
-	"\n" +
-	"start_time\x18\b \x01(\v2\x1a.google.protobuf.TimestampR\tstartTime\x126\n" +
-	"\bdeadline\x18\t \x01(\v2\x1a.google.protobuf.TimestampR\bdeadline\"\xad\x02\n" +
-	"\x0eSchedulerEntry\x12\x0e\n" +
-	"\x02id\x18\x01 \x01(\tR\x02id\x12\x12\n" +
-	"\x04spec\x18\x02 \x01(\tR\x04spec\x12\x1b\n" +
-	"\ttask_type\x18\x03 \x01(\tR\btaskType\x12!\n" +
-	"\ftask_payload\x18\x04 \x01(\fR\vtaskPayload\x12'\n" +
-	"\x0fenqueue_options\x18\x05 \x03(\tR\x0eenqueueOptions\x12F\n" +
-	"\x11next_enqueue_time\x18\x06 \x01(\v2\x1a.google.protobuf.TimestampR\x0fnextEnqueueTime\x12F\n" +
-	"\x11prev_enqueue_time\x18\a \x01(\v2\x1a.google.protobuf.TimestampR\x0fprevEnqueueTime\"o\n" +
-	"\x15SchedulerEnqueueEvent\x12\x17\n" +
-	"\atask_id\x18\x01 \x01(\tR\x06taskId\x12=\n" +
-	"\fenqueue_time\x18\x02 \x01(\v2\x1a.google.protobuf.TimestampR\venqueueTimeB)Z'github.com/hibiken/asynq/internal/protob\x06proto3"
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+	0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x46, 0x0a, 0x11, 0x6e, 0x65, 0x78, 0x74, 0x5f, 0x65, 0x6e,
+	0x71, 0x75, 0x65, 0x75, 0x65, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x0f, 0x6e, 0x65,
+	0x78, 0x74, 0x45, 0x6e, 0x71, 0x75, 0x65, 0x75, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x46, 0x0a,
+	0x11, 0x70, 0x72, 0x65, 0x76, 0x5f, 0x65, 0x6e, 0x71, 0x75, 0x65, 0x75, 0x65, 0x5f, 0x74, 0x69,
+	0x6d, 0x65, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
+	0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73,
+	0x74, 0x61, 0x6d, 0x70, 0x52, 0x0f, 0x70, 0x72, 0x65, 0x76, 0x45, 0x6e, 0x71, 0x75, 0x65, 0x75,
+	0x65, 0x54, 0x69, 0x6d, 0x65, 0x22, 0x6f, 0x0a, 0x15, 0x53, 0x63, 0x68, 0x65, 0x64, 0x75, 0x6c,
+	0x65, 0x72, 0x45, 0x6e, 0x71, 0x75, 0x65, 0x75, 0x65, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x17,
+	0x0a, 0x07, 0x74, 0x61, 0x73, 0x6b, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x06, 0x74, 0x61, 0x73, 0x6b, 0x49, 0x64, 0x12, 0x3d, 0x0a, 0x0c, 0x65, 0x6e, 0x71, 0x75, 0x65,
+	0x75, 0x65, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e,
+	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e,
+	0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x0b, 0x65, 0x6e, 0x71, 0x75, 0x65,
+	0x75, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x42, 0x29, 0x5a, 0x27, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x68, 0x69, 0x62, 0x69, 0x6b, 0x65, 0x6e, 0x2f, 0x61, 0x73, 0x79,
+	0x6e, 0x71, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}

 var (
 	file_asynq_proto_rawDescOnce sync.Once
-	file_asynq_proto_rawDescData []byte
+	file_asynq_proto_rawDescData = file_asynq_proto_rawDesc
 )

 func file_asynq_proto_rawDescGZIP() []byte {
 	file_asynq_proto_rawDescOnce.Do(func() {
-		file_asynq_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_asynq_proto_rawDesc), len(file_asynq_proto_rawDesc)))
+		file_asynq_proto_rawDescData = protoimpl.X.CompressGZIP(file_asynq_proto_rawDescData)
 	})
 	return file_asynq_proto_rawDescData
 }

-var file_asynq_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_asynq_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_asynq_proto_goTypes = []any{
 	(*TaskMessage)(nil),           // 0: asynq.TaskMessage
 	(*ServerInfo)(nil),            // 1: asynq.ServerInfo
 	(*WorkerInfo)(nil),            // 2: asynq.WorkerInfo
 	(*SchedulerEntry)(nil),        // 3: asynq.SchedulerEntry
 	(*SchedulerEnqueueEvent)(nil), // 4: asynq.SchedulerEnqueueEvent
-	nil,                           // 5: asynq.TaskMessage.HeadersEntry
-	nil,                           // 6: asynq.ServerInfo.QueuesEntry
-	(*timestamppb.Timestamp)(nil), // 7: google.protobuf.Timestamp
+	nil,                           // 5: asynq.ServerInfo.QueuesEntry
+	(*timestamppb.Timestamp)(nil), // 6: google.protobuf.Timestamp
 }
 var file_asynq_proto_depIdxs = []int32{
-	5, // 0: asynq.TaskMessage.headers:type_name -> asynq.TaskMessage.HeadersEntry
-	6, // 1: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry
-	7, // 2: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp
-	7, // 3: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp
-	7, // 4: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp
-	7, // 5: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp
-	7, // 6: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp
-	7, // 7: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp
-	8, // [8:8] is the sub-list for method output_type
-	8, // [8:8] is the sub-list for method input_type
-	8, // [8:8] is the sub-list for extension type_name
-	8, // [8:8] is the sub-list for extension extendee
-	0, // [0:8] is the sub-list for field type_name
+	5, // 0: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry
+	6, // 1: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp
+	6, // 2: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp
+	6, // 3: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp
+	6, // 4: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp
+	6, // 5: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp
+	6, // 6: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp
+	7, // [7:7] is the sub-list for method output_type
+	7, // [7:7] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
 }

 func init() { file_asynq_proto_init() }
@@ -718,13 +763,75 @@ func file_asynq_proto_init() {
 	if File_asynq_proto != nil {
 		return
 	}
+	if !protoimpl.UnsafeEnabled {
+		file_asynq_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*TaskMessage); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_asynq_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*ServerInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_asynq_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*WorkerInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_asynq_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*SchedulerEntry); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_asynq_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*SchedulerEnqueueEvent); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: unsafe.Slice(unsafe.StringData(file_asynq_proto_rawDesc), len(file_asynq_proto_rawDesc)),
+			RawDescriptor: file_asynq_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   7,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
@@ -733,6 +840,7 @@ func file_asynq_proto_init() {
 		MessageInfos:      file_asynq_proto_msgTypes,
 	}.Build()
 	File_asynq_proto = out.File
+	file_asynq_proto_rawDesc = nil
 	file_asynq_proto_goTypes = nil
 	file_asynq_proto_depIdxs = nil
 }
--- a/internal/proto/asynq.proto
+++ b/internal/proto/asynq.proto
@@ -11,7 +11,7 @@ option go_package = "github.com/hibiken/asynq/internal/proto";

 // TaskMessage is the internal representation of a task with additional
 // metadata fields.
-// Next ID: 16
+// Next ID: 15
 message TaskMessage {
 	// Type indicates the kind of the task to be performed.
  string type = 1;
@@ -19,9 +19,6 @@ message TaskMessage {
 	// Payload holds data needed to process the task.
  bytes payload = 2;

-	// Headers holds additional metadata for the task.
-  map<string, string> headers = 15;
-
 	// Unique identifier for the task.
  string id = 3;

--- a/internal/rdb/inspect.go
+++ b/internal/rdb/inspect.go
@@ -1412,93 +1412,6 @@ func (r *RDB) archiveAll(src, dst, qname string) (int64, error) {
 	return n, nil
 }

-// Input:
-// KEYS[1] -> asynq:{<qname>}:t:<task_id>
-// --
-// ARGV[1] -> task message data
-//
-// Output:
-// Numeric code indicating the status:
-// Returns 1 if task is successfully updated.
-// Returns 0 if task is not found.
-// Returns -1 if task is not in scheduled state.
-var updateTaskPayloadCmd = redis.NewScript(`
-- Check if given taks exists
-if redis.call("EXISTS", KEYS[1]) == 0 then
-	return 0
-end
-local state, pending_since, group, unique_key = unpack(redis.call("HMGET", KEYS[1], "state", "pending_since", "group", "unique_key"))
-if state ~= "scheduled" then
-    return -1
-end
-local redis_call_args = {"state", state}
-
-if pending_since then
-    table.insert(redis_call_args, "pending_since")
-    table.insert(redis_call_args, pending_since)
-end
-if group then
-    table.insert(redis_call_args, "group")
-    table.insert(redis_call_args, group)
-end
-if unique_key then
-    table.insert(redis_call_args, "unique_key")
-    table.insert(redis_call_args, unique_key)
-end
-redis.call("HSET", KEYS[1], "msg", ARGV[1], unpack(redis_call_args))
-return 1
-`)
-
-// UpdateTaskPayload finds a task that matches the id from the given queue and updates it's payload.
-// It returns nil if it successfully updated the task payload.
-//
-// If a queue with the given name doesn't exist, it returns QueueNotFoundError.
-// If a task with the given id doesn't exist in the queue, it returns TaskNotFoundError
-// If a task is in active state it returns non-nil error with Code FailedPrecondition.
-func (r *RDB) UpdateTaskPayload(qname, id string, payload []byte) error {
-	var op errors.Op = "rdb.UpdateTask"
-	if err := r.checkQueueExists(qname); err != nil {
-		return errors.E(op, errors.CanonicalCode(err), err)
-	}
-
-	taskInfo, err := r.GetTaskInfo(qname, id)
-	if err != nil {
-		return errors.E(op, errors.Unknown, err)
-	}
-
-	taskInfo.Message.Payload = payload
-
-	encoded, err := base.EncodeMessage(taskInfo.Message)
-	if err != nil {
-		return errors.E(op, errors.Unknown, fmt.Sprintf("cannot encode message: %v", err))
-	}
-	keys := []string{
-		base.TaskKey(qname, id),
-	}
-	argv := []interface{}{
-		encoded,
-	}
-
-	res, err := updateTaskPayloadCmd.Run(context.Background(), r.client, keys, argv...).Result()
-	if err != nil {
-		return errors.E(op, errors.Unknown, err)
-	}
-	n, ok := res.(int64)
-	if !ok {
-		return errors.E(op, errors.Internal, fmt.Sprintf("cast error: updateTaskCmd script returned unexported value %v", res))
-	}
-	switch n {
-	case 1:
-		return nil
-	case 0:
-		return errors.E(op, errors.NotFound, &errors.TaskNotFoundError{Queue: qname, ID: id})
-	case -1:
-		return errors.E(op, errors.FailedPrecondition, "cannot update task that is not in scheduled state.")
-	default:
-		return errors.E(op, errors.Internal, fmt.Sprintf("unexpected return value from updateTaskCmd script: %d", n))
-	}
-}
-
 // Input:
 // KEYS[1] -> asynq:{<qname>}:t:<task_id>
 // KEYS[2] -> asynq:{<qname>}:groups
--- a/periodic_task_manager.go
+++ b/periodic_task_manager.go
@@ -10,8 +10,6 @@ import (
 	"sort"
 	"sync"
 	"time"
-
-	"github.com/redis/go-redis/v9"
 )

 // PeriodicTaskManager manages scheduling of periodic tasks.
@@ -29,12 +27,9 @@ type PeriodicTaskManagerOpts struct {
 	// Required: must be non nil
 	PeriodicTaskConfigProvider PeriodicTaskConfigProvider

-	// Optional: if RedisUniversalClient is nil must be non nil
+	// Required: must be non nil
 	RedisConnOpt RedisConnOpt

-	// Optional: if RedisUniversalClient is non nil, RedisConnOpt is ignored.
-	RedisUniversalClient redis.UniversalClient
-
 	// Optional: scheduler options
 	*SchedulerOpts

@@ -50,16 +45,10 @@ func NewPeriodicTaskManager(opts PeriodicTaskManagerOpts) (*PeriodicTaskManager,
 	if opts.PeriodicTaskConfigProvider == nil {
 		return nil, fmt.Errorf("PeriodicTaskConfigProvider cannot be nil")
 	}
-	if opts.RedisConnOpt == nil && opts.RedisUniversalClient == nil {
-		return nil, fmt.Errorf("RedisConnOpt/RedisUniversalClient cannot be nil")
+	if opts.RedisConnOpt == nil {
+		return nil, fmt.Errorf("RedisConnOpt cannot be nil")
 	}
-	var scheduler *Scheduler
-	if opts.RedisUniversalClient != nil {
-		scheduler = NewSchedulerFromRedisClient(opts.RedisUniversalClient, opts.SchedulerOpts)
-	} else {
-		scheduler = NewScheduler(opts.RedisConnOpt, opts.SchedulerOpts)
-	}
-
+	scheduler := NewScheduler(opts.RedisConnOpt, opts.SchedulerOpts)
 	syncInterval := opts.SyncInterval
 	if syncInterval == 0 {
 		syncInterval = defaultSyncInterval
@@ -122,10 +111,10 @@ func (mgr *PeriodicTaskManager) Start() error {
 		panic("asynq: cannot start uninitialized PeriodicTaskManager; use NewPeriodicTaskManager to initialize")
 	}
 	if err := mgr.initialSync(); err != nil {
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	if err := mgr.s.Start(); err != nil {
-		return fmt.Errorf("asynq: %w", err)
+		return fmt.Errorf("asynq: %v", err)
 	}
 	mgr.wg.Add(1)
 	go func() {
@@ -168,11 +157,11 @@ func (mgr *PeriodicTaskManager) Run() error {
 func (mgr *PeriodicTaskManager) initialSync() error {
 	configs, err := mgr.p.GetConfigs()
 	if err != nil {
-		return fmt.Errorf("initial call to GetConfigs failed: %w", err)
+		return fmt.Errorf("initial call to GetConfigs failed: %v", err)
 	}
 	for _, c := range configs {
 		if err := validatePeriodicTaskConfig(c); err != nil {
-			return fmt.Errorf("initial call to GetConfigs contained an invalid config: %w", err)
+			return fmt.Errorf("initial call to GetConfigs contained an invalid config: %v", err)
 		}
 	}
 	mgr.add(configs)
@@ -183,8 +172,8 @@ func (mgr *PeriodicTaskManager) add(configs []*PeriodicTaskConfig) {
 	for _, c := range configs {
 		entryID, err := mgr.s.Register(c.Cronspec, c.Task, c.Opts...)
 		if err != nil {
-			mgr.s.logger.Errorf("Failed to register periodic task: cronspec=%q task=%q err=%v",
-				c.Cronspec, c.Task.Type(), err)
+			mgr.s.logger.Errorf("Failed to register periodic task: cronspec=%q task=%q",
+				c.Cronspec, c.Task.Type())
 			continue
 		}
 		mgr.m[c.hash()] = entryID
--- a/processor.go
+++ b/processor.go
@@ -230,7 +230,6 @@ func (p *processor) exec() {
 						ctx:    ctx,
 					},
 				)
-				task.headers = msg.Headers
 				resCh <- p.perform(ctx, task)
 			}()

@@ -334,7 +333,7 @@ var RevokeTask = errors.New("revoke task")

 func (p *processor) handleFailedMessage(ctx context.Context, l *base.Lease, msg *base.TaskMessage, err error) {
 	if p.errHandler != nil {
-		p.errHandler.HandleError(ctx, NewTaskWithHeaders(msg.Type, msg.Payload, msg.Headers), err)
+		p.errHandler.HandleError(ctx, NewTask(msg.Type, msg.Payload), err)
 	}
 	switch {
 	case errors.Is(err, RevokeTask):
@@ -355,7 +354,7 @@ func (p *processor) retry(l *base.Lease, msg *base.TaskMessage, e error, isFailu
 	}
 	ctx, cancel := context.WithDeadline(context.Background(), l.Deadline())
 	defer cancel()
-	d := p.retryDelayFunc(msg.Retried, e, NewTaskWithHeaders(msg.Type, msg.Payload, msg.Headers))
+	d := p.retryDelayFunc(msg.Retried, e, NewTask(msg.Type, msg.Payload))
 	retryAt := time.Now().Add(d)
 	err := p.broker.Retry(ctx, msg, retryAt, e.Error(), isFailure)
 	if err != nil {
--- a/recoverer.go
+++ b/recoverer.go
@@ -112,7 +112,7 @@ func (r *recoverer) recoverStaleAggregationSets() {
 }

 func (r *recoverer) retry(msg *base.TaskMessage, err error) {
-	delay := r.retryDelayFunc(msg.Retried, err, NewTaskWithHeaders(msg.Type, msg.Payload, msg.Headers))
+	delay := r.retryDelayFunc(msg.Retried, err, NewTask(msg.Type, msg.Payload))
 	retryAt := time.Now().Add(delay)
 	if err := r.broker.Retry(context.Background(), msg, retryAt, err.Error(), r.isFailureFunc(err)); err != nil {
 		r.logger.Warnf("recoverer: could not retry lease expired task: %v", err)
--- a/scheduler.go
+++ b/scheduler.go
@@ -44,6 +44,9 @@ type Scheduler struct {
 	// to avoid using cron.EntryID as the public API of
 	// the Scheduler.
 	idmap map[string]cron.EntryID
+	// When a Scheduler has been created with an existing Redis connection, we do
+	// not want to close it.
+	sharedConnection bool
 }

 const defaultHeartbeatInterval = 10 * time.Second
@@ -51,18 +54,12 @@ const defaultHeartbeatInterval = 10 * time.Second
 // NewScheduler returns a new Scheduler instance given the redis connection option.
 // The parameter opts is optional, defaults will be used if opts is set to nil
 func NewScheduler(r RedisConnOpt, opts *SchedulerOpts) *Scheduler {
-	scheduler := newScheduler(opts)
-
 	redisClient, ok := r.MakeRedisClient().(redis.UniversalClient)
 	if !ok {
 		panic(fmt.Sprintf("asynq: unsupported RedisConnOpt type %T", r))
 	}
-
-	rdb := rdb.NewRDB(redisClient)
-
-	scheduler.rdb = rdb
-	scheduler.client = &Client{broker: rdb, sharedConnection: false}
-
+	scheduler := NewSchedulerFromRedisClient(redisClient, opts)
+	scheduler.sharedConnection = false
 	return scheduler
 }

@@ -70,15 +67,6 @@ func NewScheduler(r RedisConnOpt, opts *SchedulerOpts) *Scheduler {
 // The parameter opts is optional, defaults will be used if opts is set to nil.
 // Warning: The underlying redis connection pool will not be closed by Asynq, you are responsible for closing it.
 func NewSchedulerFromRedisClient(c redis.UniversalClient, opts *SchedulerOpts) *Scheduler {
-	scheduler := newScheduler(opts)
-
-	scheduler.rdb = rdb.NewRDB(c)
-	scheduler.client = NewClientFromRedisClient(c)
-
-	return scheduler
-}
-
-func newScheduler(opts *SchedulerOpts) *Scheduler {
 	if opts == nil {
 		opts = &SchedulerOpts{}
 	}
@@ -105,6 +93,8 @@ func newScheduler(opts *SchedulerOpts) *Scheduler {
 		state:             &serverState{value: srvStateNew},
 		heartbeatInterval: heartbeatInterval,
 		logger:            logger,
+		client:            NewClientFromRedisClient(c),
+		rdb:               rdb.NewRDB(c),
 		cron:              cron.New(cron.WithLocation(loc)),
 		location:          loc,
 		done:              make(chan struct{}),
@@ -304,6 +294,9 @@ func (s *Scheduler) Shutdown() {
 	if err := s.client.Close(); err != nil {
 		s.logger.Errorf("Failed to close redis client connection: %v", err)
 	}
+	if !s.sharedConnection {
+		s.rdb.Close()
+	}
 	s.logger.Info("Scheduler stopped")
 }

@@ -341,6 +334,7 @@ func (s *Scheduler) beat() {
 		}
 		entries = append(entries, e)
 	}
+	s.logger.Debugf("Writing entries %v", entries)
 	if err := s.rdb.WriteSchedulerEntries(s.id, entries, s.heartbeatInterval*2); err != nil {
 		s.logger.Warnf("Scheduler could not write heartbeat data: %v", err)
 	}
--- a/servemux.go
+++ b/servemux.go
@@ -6,16 +6,12 @@ package asynq

 import (
 	"context"
-	"errors"
 	"fmt"
 	"sort"
 	"strings"
 	"sync"
 )

-// ErrHandlerNotFound indicates that no task handler was found for a given pattern.
-var ErrHandlerNotFound = errors.New("handler not found for task")
-
 // ServeMux is a multiplexer for asynchronous tasks.
 // It matches the type of each task against a list of registered patterns
 // and calls the handler for the pattern that most closely matches the
@@ -153,8 +149,8 @@ func (mux *ServeMux) Use(mws ...MiddlewareFunc) {

 // NotFound returns an error indicating that the handler was not found for the given task.
 func NotFound(ctx context.Context, task *Task) error {
-	return fmt.Errorf("%w %q", ErrHandlerNotFound, task.Type())
+	return fmt.Errorf("handler not found for task %q", task.Type())
 }

-// NotFoundHandler returns a simple task handler that returns a “not found“ error.
+// NotFoundHandler returns a simple task handler that returns a ``not found`` error.
 func NotFoundHandler() Handler { return HandlerFunc(NotFound) }
--- a/servemux_test.go
+++ b/servemux_test.go
@@ -24,7 +24,7 @@ func makeFakeHandler(identity string) Handler {
 }

 // makeFakeMiddleware returns a middleware function that appends the given identity
-// to the global invoked slice.
+//to the global invoked slice.
 func makeFakeMiddleware(identity string) MiddlewareFunc {
 	return func(next Handler) Handler {
 		return HandlerFunc(func(ctx context.Context, t *Task) error {
--- a/server.go
+++ b/server.go
@@ -174,15 +174,16 @@ type Config struct {
 	//     })
 	//
 	//     ErrorHandler: asynq.ErrorHandlerFunc(reportError)
-	//
+
 	//    we can also handle panic error like:
 	//     func reportError(ctx context, task *asynq.Task, err error) {
-	//         if asynq.IsPanicError(err) {
+	//         if asynq.IsPanic(err) {
 	//	          errorReportingService.Notify(err)
 	// 	       }
 	//     })
 	//
 	//     ErrorHandler: asynq.ErrorHandlerFunc(reportError)
+
 	ErrorHandler ErrorHandler

 	// Logger specifies the logger used by the server instance.
--- a/signals_unix.go
+++ b/signals_unix.go
@@ -24,10 +24,8 @@ func (srv *Server) waitForSignals() {
 		if sig == unix.SIGTSTP {
 			srv.Stop()
 			continue
-		} else {
-			srv.Stop()
-			break
 		}
+		break
 	}
 }

--- a/subscriber.go
+++ b/subscriber.go
@@ -8,9 +8,9 @@ import (
 	"sync"
 	"time"

+	"github.com/redis/go-redis/v9"
 	"github.com/hibiken/asynq/internal/base"
 	"github.com/hibiken/asynq/internal/log"
-	"github.com/redis/go-redis/v9"
 )

 type subscriber struct {
--- a/tools/asynq/README.md
+++ b/tools/asynq/README.md
@@ -39,7 +39,6 @@ By default, CLI will try to connect to a redis server running at `localhost:6379
      --config string          config file to set flag defaut values (default is $HOME/.asynq.yaml)
  -n, --db int                 redis database number (default is 0)
  -h, --help                   help for asynq
-  -U, --username string        username to use when connecting to redis server
  -p, --password string        password to use when connecting to redis server
  -u, --uri string             redis server URI (default "127.0.0.1:6379")

--- a/tools/asynq/cmd/dash/screen_drawer.go
+++ b/tools/asynq/cmd/dash/screen_drawer.go
@@ -16,12 +16,11 @@ import (
 // ScreenDrawer is used to draw contents on screen.
 //
 // Usage example:
-//
-//	d := NewScreenDrawer(s)
-//	d.Println("Hello world", mystyle)
-//	d.NL() // adds newline
-//	d.Print("foo", mystyle.Bold(true))
-//	d.Print("bar", mystyle.Italic(true))
+//    d := NewScreenDrawer(s)
+//    d.Println("Hello world", mystyle)
+//    d.NL() // adds newline
+//    d.Print("foo", mystyle.Bold(true))
+//    d.Print("bar", mystyle.Italic(true))
 type ScreenDrawer struct {
 	l *LineDrawer
 }
--- a/tools/asynq/cmd/root.go
+++ b/tools/asynq/cmd/root.go
@@ -1,4 +1,3 @@
-//
 // Copyright 2020 Kentaro Hibino. All rights reserved.
 // Use of this source code is governed by a MIT license
 // that can be found in the LICENSE file.
@@ -37,13 +36,10 @@ var (
 	uri      string
 	db       int
 	password string
-	username string

 	useRedisCluster bool
 	clusterAddrs    string
 	tlsServerName   string
-	insecure        bool
-	useTLS          bool
 )

 // rootCmd represents the base command when called without any subcommands
@@ -261,6 +257,7 @@ func adjustPadding(lines ...*displayLine) {
 func rpad(s string, padding int) string {
 	tmpl := fmt.Sprintf("%%-%ds ", padding)
 	return fmt.Sprintf(tmpl, s)
+
 }

 // lpad adds padding to the left of a string.
@@ -311,26 +308,19 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&uri, "uri", "u", "127.0.0.1:6379", "Redis server URI")
 	rootCmd.PersistentFlags().IntVarP(&db, "db", "n", 0, "Redis database number (default is 0)")
 	rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "", "Password to use when connecting to redis server")
-	rootCmd.PersistentFlags().StringVarP(&username, "username", "U", "", "Username to use when connecting to Redis (ACL username)")
 	rootCmd.PersistentFlags().BoolVar(&useRedisCluster, "cluster", false, "Connect to redis cluster")
 	rootCmd.PersistentFlags().StringVar(&clusterAddrs, "cluster_addrs",
 		"127.0.0.1:7000,127.0.0.1:7001,127.0.0.1:7002,127.0.0.1:7003,127.0.0.1:7004,127.0.0.1:7005",
 		"List of comma-separated redis server addresses")
-	rootCmd.PersistentFlags().BoolVar(&useTLS, "tls", false, "Enable TLS connection")
 	rootCmd.PersistentFlags().StringVar(&tlsServerName, "tls_server",
 		"", "Server name for TLS validation")
-	rootCmd.PersistentFlags().BoolVar(&insecure, "insecure",
-		false, "Allow insecure TLS connection by skipping cert validation")
 	// Bind flags with config.
 	viper.BindPFlag("uri", rootCmd.PersistentFlags().Lookup("uri"))
 	viper.BindPFlag("db", rootCmd.PersistentFlags().Lookup("db"))
 	viper.BindPFlag("password", rootCmd.PersistentFlags().Lookup("password"))
-	viper.BindPFlag("username", rootCmd.PersistentFlags().Lookup("username"))
 	viper.BindPFlag("cluster", rootCmd.PersistentFlags().Lookup("cluster"))
 	viper.BindPFlag("cluster_addrs", rootCmd.PersistentFlags().Lookup("cluster_addrs"))
-	viper.BindPFlag("tls", rootCmd.PersistentFlags().Lookup("tls"))
 	viper.BindPFlag("tls_server", rootCmd.PersistentFlags().Lookup("tls_server"))
-	viper.BindPFlag("insecure", rootCmd.PersistentFlags().Lookup("insecure"))
 }

 // initConfig reads in config file and ENV variables if set.
@@ -367,7 +357,6 @@ func createRDB() *rdb.RDB {
 		c = redis.NewClusterClient(&redis.ClusterOptions{
 			Addrs:     addrs,
 			Password:  viper.GetString("password"),
-			Username:  viper.GetString("username"),
 			TLSConfig: getTLSConfig(),
 		})
 	} else {
@@ -375,7 +364,6 @@ func createRDB() *rdb.RDB {
 			Addr:      viper.GetString("uri"),
 			DB:        viper.GetInt("db"),
 			Password:  viper.GetString("password"),
-			Username:  viper.GetString("username"),
 			TLSConfig: getTLSConfig(),
 		})
 	}
@@ -398,7 +386,6 @@ func getRedisConnOpt() asynq.RedisConnOpt {
 		return asynq.RedisClusterClientOpt{
 			Addrs:     addrs,
 			Password:  viper.GetString("password"),
-			Username:  viper.GetString("username"),
 			TLSConfig: getTLSConfig(),
 		}
 	}
@@ -406,22 +393,16 @@ func getRedisConnOpt() asynq.RedisConnOpt {
 		Addr:      viper.GetString("uri"),
 		DB:        viper.GetInt("db"),
 		Password:  viper.GetString("password"),
-		Username:  viper.GetString("username"),
 		TLSConfig: getTLSConfig(),
 	}
 }

 func getTLSConfig() *tls.Config {
 	tlsServer := viper.GetString("tls_server")
-	if tlsServer != "" {
-		return &tls.Config{ServerName: tlsServer, InsecureSkipVerify: viper.GetBool("insecure")}
+	if tlsServer == "" {
+		return nil
 	}
-
-	if viper.GetBool("tls") {
-		return &tls.Config{InsecureSkipVerify: viper.GetBool("insecure")}
-	}
-
-	return nil
+	return &tls.Config{ServerName: tlsServer}
 }

 // printTable is a helper function to print data in table format.
@@ -429,22 +410,18 @@ func getTLSConfig() *tls.Config {
 // cols is a list of headers and printRow specifies how to print rows.
 //
 // Example:
-//
-//	type User struct {
-//	    Name string
-//	    Addr string
-//	    Age  int
-//	}
-//
+// type User struct {
+//     Name string
+//     Addr string
+//     Age  int
+// }
 // data := []*User{{"user1", "addr1", 24}, {"user2", "addr2", 42}, ...}
 // cols := []string{"Name", "Addr", "Age"}
-//
-//	printRows := func(w io.Writer, tmpl string) {
-//	    for _, u := range data {
-//	        fmt.Fprintf(w, tmpl, u.Name, u.Addr, u.Age)
-//	    }
-//	}
-//
+// printRows := func(w io.Writer, tmpl string) {
+//     for _, u := range data {
+//         fmt.Fprintf(w, tmpl, u.Name, u.Addr, u.Age)
+//     }
+// }
 // printTable(cols, printRows)
 func printTable(cols []string, printRows func(w io.Writer, tmpl string)) {
 	format := strings.Repeat("%v\t", len(cols)) + "\n"
--- a/tools/asynq/cmd/task.go
+++ b/tools/asynq/cmd/task.go
@@ -770,3 +770,4 @@ func taskRunAll(cmd *cobra.Command, args []string) {
 	}
 	fmt.Printf("%d tasks are now pending\n", n)
 }
+
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -15,41 +15,45 @@ require (
 	github.com/redis/go-redis/v9 v9.7.0
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.0
-	golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136
+	github.com/spf13/viper v1.19.0
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
 )

 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/gdamore/encoding v1.0.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
-	github.com/magiconair/properties v1.8.1 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/mitchellh/mapstructure v1.1.2 // indirect
-	github.com/pelletier/go-toml v1.2.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.26.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/spf13/afero v1.1.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
-	github.com/spf13/jwalterweatherman v1.0.0 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/sys v0.26.0 // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
-	golang.org/x/text v0.3.8 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.7.0 // indirect
 	google.golang.org/protobuf v1.35.1 // indirect
-	gopkg.in/ini.v1 v1.51.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/tools/go.sum
+++ b/tools/go.sum
@@ -11,7 +11,6 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/MakeNowJust/heredoc/v2 v2.0.1 h1:rlCHh70XXXv7toz95ajQWOWQnN4WNLt0TdpZYIR/J6A=
@@ -49,8 +48,9 @@ github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
@@ -63,8 +63,9 @@ github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
 github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
 github.com/gdamore/tcell/v2 v2.5.1 h1:zc3LPdpK184lBW7syF2a5C6MV827KmErk9jGVnmsl/I=
@@ -126,7 +127,6 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
@@ -167,7 +167,6 @@ github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCV
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
-github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
@@ -185,8 +184,9 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
-github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
+github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
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@@ -208,8 +208,9 @@ github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eI
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@@ -228,13 +229,15 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
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@@ -273,42 +276,55 @@ github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZV
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@@ -316,10 +332,14 @@ go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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@@ -332,8 +352,9 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
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+golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
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@@ -422,8 +443,8 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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 golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
@@ -496,8 +517,9 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogR
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
@@ -507,10 +529,10 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/x/metrics/metrics.go
+++ b/x/metrics/metrics.go
@@ -25,13 +25,13 @@ type QueueMetricsCollector struct {
 func (qmc *QueueMetricsCollector) collectQueueInfo() ([]*asynq.QueueInfo, error) {
 	qnames, err := qmc.inspector.Queues()
 	if err != nil {
-		return nil, fmt.Errorf("failed to get queue names: %w", err)
+		return nil, fmt.Errorf("failed to get queue names: %v", err)
 	}
 	infos := make([]*asynq.QueueInfo, len(qnames))
 	for i, qname := range qnames {
 		qinfo, err := qmc.inspector.GetQueueInfo(qname)
 		if err != nil {
-			return nil, fmt.Errorf("failed to get queue info: %w", err)
+			return nil, fmt.Errorf("failed to get queue info: %v", err)
 		}
 		infos[i] = qinfo
 	}
--- a/x/rate/semaphore.go
+++ b/x/rate/semaphore.go
@@ -94,7 +94,7 @@ func (s *Semaphore) Release(ctx context.Context) error {

 	n, err := s.rc.ZRem(ctx, semaphoreKey(s.scope), taskID).Result()
 	if err != nil {
-		return fmt.Errorf("redis command failed: %w", err)
+		return fmt.Errorf("redis command failed: %v", err)
 	}

 	if n == 0 {