temporalio/temporal

Temporal service

Stars: 23.2k
Forks: 1.9k
Open beginner issues: 0
Indexed issues: 576
Avg merge: 2d 8h
Merged PRs (30d): 228

Dominant language: Go
License: MIT
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

576 open issues indexed

Support runtime refresh of the DB username (not just password) for rotating dynamic credentials Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

temporalio/temporal#12193 · Opened Sep 19, 2026
PostgreSQL buildDSN does not URL-encode cfg.User — usernames containing ":" (e.g. Vault dynamic credentials) break authentication Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

temporalio/temporal#12192 · Opened Sep 19, 2026
Schedules: ScheduleWorkflowAction.VersioningOverride is stored but never applied to started workflows (V1 scheduler) Open

Difficulty 3/5 1-2 days Newbie friendliness 75/100

temporalio/temporal#12148 · Opened Sep 18, 2026
RemoveSearchAttributes skips the secondary store under dual visibility Open

potential-bug

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

temporalio/temporal#12126 · Opened Sep 16, 2026
Invalid system.secondaryVisibilityWritingMode value silently fails every visibility write Open

enhancement

temporalio/temporal#12109 · 1 comment · 1 assignee · Opened Sep 16, 2026
Avoid writing history for starts that will be rejected/deduplicated by the workflow-id reuse/conflict policy Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

temporalio/temporal#12103 · Opened Sep 16, 2026
Reconsider the 60-day default for worker.historyScannerDataMinAge (or document its rationale) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 50/100

temporalio/temporal#12102 · Opened Sep 16, 2026
Make the history scanner run interval configurable via dynamic config Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 68/100

temporalio/temporal#12101 · 1 comment · Opened Sep 16, 2026
PostgreSQL current-execution lookup can scan previous runs with a generic plan Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

temporalio/temporal#12097 · Opened Sep 16, 2026
Unify metric emission for CHASM Callback invocables Open

temporalio/temporal#12018 · 1 assignee · Opened Sep 10, 2026
Gradual change subscriber misses the transition when its timer fires at the When() time Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

temporalio/temporal#11989 · Opened Sep 10, 2026
Fix ambiguities related to `chasmcallbackpb.CallbackState::request_id` Open

temporalio/temporal#11958 · 1 comment · 1 assignee · Opened Sep 8, 2026
Version check HTTP request has no timeout or cancellation Open

Difficulty 4/5 3-5 days Newbie friendliness 72/100

temporalio/temporal#11943 · Opened Sep 5, 2026
NDC conflict resolution silently drops loser-branch non-signal events (e.g. consumed TimerFired) Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

temporalio/temporal#11932 · Opened Sep 4, 2026
Observability gap: no metric covers RPC receipt → history task durably committed Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11916 · Opened Sep 3, 2026
Mark `NexusHandler`-variant callbacks as system payloads Open

temporalio/temporal#11891 · 1 assignee · Opened Sep 1, 2026
Support backlinks for NexusHandler callbacks Open

temporalio/temporal#11889 · 1 comment · 1 assignee · Opened Sep 1, 2026
Schedule silently stops firing - scheduler workflow keeps a pending timer with no corresponding physical timer task Open

potential-bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

temporalio/temporal#11869 · 3 reactions · Opened Aug 31, 2026
Worker Deployment routingConfigUpdateState stays IN_PROGRESS forever; a workflow+activity task queue can never become current, wedging every rollout Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

temporalio/temporal#11842 · 2 comments · Opened Aug 28, 2026
CHASM/System Nexus: SignalWithStart doesn't validate cron schedules Open

potential-bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

temporalio/temporal#11822 · Opened Aug 27, 2026
Visibility list API filters fail on postgres when a string value contains a question mark Open

potential-bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

temporalio/temporal#11797 · Opened Aug 26, 2026
timer_map collection in executions table can contains 10K's of entries Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

temporalio/temporal#11794 · 1 comment · Opened Aug 26, 2026
Expose `connectAttributes` to PostgreSQL Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

temporalio/temporal#11780 · 3 comments · Opened Aug 25, 2026
Optimization: Convert remaining PostgreSQL queries to tuple cursors Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

temporalio/temporal#11743 · 2 comments · Opened Aug 24, 2026
Task start can remain undelivered after an ambiguous History timeout Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

temporalio/temporal#11733 · Opened Aug 23, 2026
[Bug] MaximumAttempts can't be set to 0 when history.defaultActivityRetryPolicy is set to an other value on temporal server Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

temporalio/temporal#11721 · 3 comments · Opened Aug 21, 2026
SQL workflow mutations lock executions before an equivalent conditional update Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11711 · Opened Aug 21, 2026
SQL persistence rewrites unchanged current execution rows Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

temporalio/temporal#11710 · Opened Aug 21, 2026
SQL session refresh can close the connection pool irrecoverably ("sql: database is closed"); membership heartbeat then fails silently forever, leaving a zombie cluster that reports SERVING Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

temporalio/temporal#11691 · 3 comments · 2 reactions · Opened Aug 20, 2026
Batch Operations Can Hang Indefinitely on Visibility Query Timeouts Open

potential-bug

temporalio/temporal#11683 · 1 assignee · Opened Aug 20, 2026
ui-server: ListNamespaces/GetClusterInfo return 403 for namespace-scoped admin tokens (requires undocumented "temporal-system:" permission) Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11639 · Opened Aug 19, 2026
yuandrew test issue Open

oss-foundations

Difficulty 5/5 Over a week Newbie friendliness 1/100

temporalio/temporal#11625 · Opened Aug 18, 2026
Add a built-in Kubernetes service account ClaimMapper selectable via `authorization.claimMapper` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 50/100

temporalio/temporal#11607 · 1 comment · Opened Aug 18, 2026
PostgreSQL visibility v1.14 schema upgrade misses the v1.10–v1.13 rewrite optimization Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11594 · 2 comments · Opened Aug 16, 2026
Persistence rate-limit ResourceExhausted is flattened to Unavailable in ProcessOutgoingSearchAttributes Open

potential-bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

temporalio/temporal#11571 · 2 comments · Opened Aug 14, 2026
Nexus: server may send malformed `request-timeout` header (negative values and units outside the Nexus grammar) Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

temporalio/temporal#11569 · 3 comments · Opened Aug 14, 2026
A brief `Unavailable` blip resets History queue backoff, causing a sustained retry storm Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

temporalio/temporal#11547 · 2 comments · Opened Aug 13, 2026
Fairsim partial counter configuration resets unspecified defaults Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

temporalio/temporal#11534 · 2 comments · Opened Aug 13, 2026
Request Patch Release - For High & Critical Vulnerabilities in latest images - AWS Inspector Report Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

temporalio/temporal#11497 · 1 comment · Opened Aug 12, 2026
Bump Go toolchain to 1.26.4 to resolve net/textproto vuln (CVE-2026-42507 / GO-2026-5039) Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

temporalio/temporal#11495 · 1 comment · Opened Aug 12, 2026
When temporal k8s pod restart, healer still probe the old pod ip ? Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11429 · 1 comment · Opened Aug 6, 2026
A lost `RegisterWorkerInVersion` task permanently disables activity dispatch for a task queue Open

potential-bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

temporalio/temporal#11402 · 1 comment · Opened Aug 3, 2026
Nexus reapply cannot distinguish "CHASM owns this operation" from "no tree owns it" Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

temporalio/temporal#11384 · 1 comment · Opened Jul 31, 2026
Replace LeveledCompactionStrategy (LCS) with Cassandra 5.x default UnifiedCompactionStrategy (UCS) in schema.cql Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 87/100

temporalio/temporal#11314 · 3 comments · Opened Jul 27, 2026
Client TLS configs do not pick up refreshed root CAs Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

temporalio/temporal#11230 · 1 comment · Opened Jul 23, 2026
Race Condition in Queue Pending Task Mitigation Open

potential-bug

temporalio/temporal#11188 · 1 comment · 1 assignee · Opened Jul 21, 2026
Membership: emit per-service reachable/available/draining member gauges Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 76/100

temporalio/temporal#11146 · 3 comments · Opened Jul 20, 2026
Migrate Cassandra driver from legacy gocql v1.7.0 to apache/cassandra-gocql-driver/v2 Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 62/100

temporalio/temporal#11124 · 1 comment · Opened Jul 17, 2026
Membership: provide an operator-facing way to evict a "gray-failed" host (SWIM-reachable but unable to serve) from the ring Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

temporalio/temporal#11108 · 2 comments · Opened Jul 16, 2026
Feature request - Show the activity task STDOUT in the UI Open

enhancement

temporalio/temporal#11026 · 1 assignee · Opened Jul 13, 2026

A short digest of beginner-friendly GitHub issues.