actions/runner

The Runner for GitHub Actions :rocket:

Stars: 6.3k
Forks: 1.4k
Open beginner issues: 3
Indexed issues: 428
Avg merge: 1d 16h
Merged PRs (30d): 24

Dominant language: C#
License: MIT
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

428 open issues indexed

Persistent runner drops the next job when it aborts its Busy long-poll at job completion ("was not acquired by Runner") Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

actions/runner#4728 · Opened Sep 19, 2026
Have ephemeral JIT runners started enforcing an idle minutes limit? Open

bug

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

actions/runner#4726 · 3 comments · Opened Sep 16, 2026
String-to-number coercion differs from Number() for uppercase base prefixes and binary strings Open

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

actions/runner#4724 · Opened Sep 15, 2026
Workflow schema omits documented code-quality and copilot-requests permissions Open

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

actions/runner#4723 · Opened Sep 15, 2026
Bug: self-repository references emit false validation errors in parser comparison Open

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

actions/runner#4706 · 1 comment · 1 reaction · Opened Sep 11, 2026
View details’ on PR checks opens the wrong CI workflow Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

actions/runner#4704 · 1 reaction · Opened Sep 11, 2026
Runner.Listener hangs indefinitely after acknowledging a runner request, job lost with no steps and no exit Open

bug

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

actions/runner#4703 · 3 reactions · Opened Sep 10, 2026
Orphan process cleanup kills mspdbsrv.exe while a job on another runner of the same machine is still compiling (C1090, PDB error 23) Open

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

actions/runner#4702 · Opened Sep 10, 2026
Legacy ##[command] is parsed anywhere in a line (unlike ::command::), so printed third-party text can raise failure annotations and stop command processing Open

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

actions/runner#4692 · Opened Sep 9, 2026
Runner crashes at InitializeSecretMasker on machines with Thai (th-TH) culture — culture-sensitive LastIndexOf in PowerShellPreAmpersandEscape Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

actions/runner#4686 · Opened Sep 9, 2026
Queued job auto-cancelled ~1s after run start on self-hosted runner pool (no actor, no dispatch) Open

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

actions/runner#4684 · Opened Sep 8, 2026
Validation Required for Runtime Package Installation on uhg-runner Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

actions/runner#4678 · Opened Sep 7, 2026
Non-ephemeral runner cancels a running job to accept a second assignment; the job is lost and reported as cancelled with all steps skipped Open

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

actions/runner#4670 · 2 comments · Opened Sep 3, 2026
Ephemeral runner hangs forever after "Acknowledging runner request": acquirejob never returns, no Runner.Worker, no error, runner never exits Open

bug

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

actions/runner#4668 · 6 comments · 4 reactions · Opened Sep 2, 2026
actions-runner v2.337.0 container not published Open

bug

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

actions/runner#4659 · 1 comment · Opened Aug 26, 2026
Self-hosted runner v2.336.0 fails to register — RSAFileKeyManager.GetKey() throws SerializationException Open

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

actions/runner#4653 · 1 comment · Opened Aug 25, 2026
GitHub Actions self-hosted runner should handle system clock skew gracefully instead of exiting permanently Open

bug

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

actions/runner#4648 · Opened Aug 25, 2026
Broker retry logs an ERR stack trace and a phantom backoff on every job completion (listener's own cancellation treated as a request failure) Open

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

actions/runner#4644 · Opened Aug 24, 2026
Background actions frequently fail on Windows due to locking event.json Open

bug

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

actions/runner#4641 · 3 comments · 4 reactions · Opened Aug 17, 2026
Run Service renewal throws NullReferenceException after a post-success failure and abandons the active job Open

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

actions/runner#4635 · 1 comment · Opened Aug 14, 2026
windows-2022: job reaped 2700s after the runner stops communicating, and nothing diagnostic survives Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

actions/runner#4632 · Opened Aug 13, 2026
Self-repository actions stage the entire repository and can fail on unrelated dangling symlinks Open

bug

Difficulty 5/5 Over a week Newbie friendliness 48/100

actions/runner#4631 · 2 comments · 1 reaction · Opened Aug 12, 2026
Self-repository action references fail on unrelated dangling symlinks Open

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

actions/runner#4626 · 2 reactions · Opened Aug 11, 2026
ghcr.io/actions/actions-runner:2.336.0 Docker image is missing node24 in externals/, even though the release tarball for the same version includes it Open

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

actions/runner#4623 · Opened Aug 10, 2026
Security: Node24 bundled npm includes vulnerable tar 7.5.15 (CVE-2026-59873) Open

bug

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

actions/runner#4620 · Opened Aug 9, 2026
[Windows] Self-update resolves update.finished under System32 when runner runs as a service Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

actions/runner#4619 · 1 reaction · Opened Aug 8, 2026
Ephemeral runner survives a lost job assignment (409 Conflict) and becomes a ghost Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

actions/runner#4617 · 1 comment · 2 reactions · Opened Aug 7, 2026
System.Exception: Failed to get job message: Error: Service Unavailable. upstream connect error or disconnect/reset before headers. reset reason: overflow Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

actions/runner#4612 · 1 comment · 2 reactions · Opened Aug 6, 2026
Workflow fails to parse when 'star' and 'workflow_dispatch' triggers are combined: Unexpected value 'star' Open

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

actions/runner#4611 · Opened Aug 6, 2026
Temp cleanup half-deletes root-owned trees in `_github_home` under Docker ≥ 29.6 (exec umask 0000), corrupting Bazel's install base on persistent runners Open

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

actions/runner#4603 · 2 comments · Opened Aug 3, 2026
Orphan process cleanup misses processes created during its own snapshot-then-kill pass Open

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

actions/runner#4601 · 2 comments · Opened Aug 3, 2026
installdependencies.sh: add fallback to libssl-dev / libicu-dev for Debian 14+ Open

bug

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

actions/runner#4600 · 1 comment · Opened Aug 3, 2026
Runner.Worker hangs before reading the job message (30s IPC timeout), ignores SIGINT/SIGTERM; ephemeral runner exits 0 and the assigned job is orphaned in queued Open

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

actions/runner#4598 · Opened Jul 31, 2026
Jobs in privileged containers break unprivileged jobs Open

bug

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

actions/runner#4597 · 1 comment · Opened Jul 31, 2026
ConnectivityAndDNSChecks attempts TCP port 80 probe to http://ssh.github.com/_dns, violating documented only-HTTPS port 443 egress requirements Open

bug

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

actions/runner#4595 · 1 comment · 1 reaction · Opened Jul 31, 2026
Node v26 not working in Docker image after installing Node due to missing libatomic Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 67/100

actions/runner#4591 · Opened Jul 30, 2026
Action archive downloads buffer the entire tarball in memory before writing to disk Open

bug

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

actions/runner#4587 · 2 comments · Opened Jul 29, 2026
repair sandbox directory control in phone Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

actions/runner#4586 · 1 comment · Opened Jul 29, 2026
"out of disk" error wedges ephemeral invocations Open

bug

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

actions/runner#4578 · Opened Jul 28, 2026
Runner.Worker hangs at 100% CPU in "Finalize job" on macOS — regression in 2.336.0 Open

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

actions/runner#4575 · 2 comments · Opened Jul 27, 2026
v2.336.0 gets quarantined by Windows Defender on Windows Server Open

bug

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

actions/runner#4571 · 1 comment · Opened Jul 23, 2026
v2.336.0 on macOS (arm64): Runner.Worker deadlocks in Process.Start — forked child never execs, spins at 100% CPU; every job hangs seconds after start Open

actions/runner#4570 · 9 comments · 3 reactions · 2 assignees · Opened Jul 23, 2026
Runner hangs in job cancellation redelivery loop on v2.336.0 and never exits (#4312 not fully fixed) Open

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

actions/runner#4569 · 3 comments · Opened Jul 23, 2026
Self-hosted runner (macOS/ARM64): Runner.Worker deadlocks at job startup right after creating the results WebSocket (ingest.sock), holding the runner busy Open

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

actions/runner#4558 · 2 comments · Opened Jul 16, 2026
UTF-8 characters are intermittently rendered as �� in live console logs Open

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

actions/runner#4552 · Opened Jul 13, 2026
don't register the runner if the version is not allowed Open

bug

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

actions/runner#4542 · 1 reaction · Opened Jul 7, 2026
no idea, that usually happens when the apk is modified or not installed directly from an unmodified playstore/gms. It doesn't only need to be the original playstore apk, it also needs to be installed from the original play store app (no backup restores, no aurora store, etc) Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

actions/runner#4528 · Opened Jun 28, 2026
GitHub Runner pods - Listening for Jobs Open

bug

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

actions/runner#4523 · Opened Jun 25, 2026
GitHub Actions runner modifies secrets containing $ characters when used in double-quoted shell commands Open

bug

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

actions/runner#4500 · 1 comment · Opened Jun 12, 2026
Intermittent runner communication loss on AWS Fargate (ephemeral, ~2% failure rate) Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

actions/runner#4498 · Opened Jun 11, 2026

A short digest of beginner-friendly GitHub issues.