npm / bullmq

bullmq

What changed in bullmq 5 to 6, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-20.

1 security16 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

bullmq 616 changes

The stalled checker is detached from the telemetry context to prevent trace leaks.
6.3.11release notes

Preserves the last error when maxStartedAttempts is reached.
6.3.18release notes
Resuming after pause(true) wakes the worker's main loop.
6.3.17release notes
In Valkey Glide cluster mode, INFO is routed to a single node.
6.3.16release notes
Retrying a finished job now respects its priority.
6.3.15release notes
Children retried by retryJobs are moved back to their parent’s dependencies.
6.3.13release notes
SQL is inlined at build time to restore support for single-file bundlers.
6.3.12release notes
Stops infinite connection-error retries during shutdown.
6.3.10release notes
Connection options are inferred for the selected backend instead of hiding mismatches with casts.
6.3.9release notes
Retries the LISTEN connection after a failed connect.
6.3.8release notes
Deduplication keys are removed when the corresponding job key no longer exists, fixing stale deduplication state in the listed language clients.
6.3.7release notes
Nested duplicate() calls are now allowed on the lazy Bun adapter.
6.3.6release notes
The worker keeps its blocking client alive while parked in reconnecting.
6.3.3release notes
Under Bun, duplicate() now targets the correct server.
6.3.3release notes
Under Bun, reconnect now targets the correct server.
6.3.3release notes
The worker delegates maximumBlockTimeout to the backend.
6.3.2release notes

Blocking client recovery is backported to v5.x, which may affect worker recovery behavior.
5.81.5release notes