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fastapi 0.137 compatibility: AttributeError: 'PrefectRouter' object has no attribute 'routes'

bugSomething isn't workingSomething isn't working

Status: Open.

#22276 In PrefectHQ/prefect;

· purificant opened on Jun 14, 2026

Event label filters never match values containing _ or % on SQLite (LIKE pattern is escaped but no ESCAPE character is declared)

bugSomething isn't workingSomething isn't working

Status: Open.

#22263 In PrefectHQ/prefect;

· fatih-acar opened on Jun 12, 2026

Concurrent subflow calls adopt the WRONG subflow's persisted result on parent flow retry (positional dynamic_key race)

bugSomething isn't workingSomething isn't working

Status: Open.

#22259 In PrefectHQ/prefect;

· mlopseng opened on Jun 11, 2026

Updated UI feedback: Navigation or usability

Status: Open.

#22258 In PrefectHQ/prefect;

· pergardebrink opened on Jun 11, 2026

Publish prefect-aws image to AWS ECR Gallery

enhancementAn improvement of an existing featureAn improvement of an existing feature

Status: Open.

#22251 In PrefectHQ/prefect;

· ChillarAnand opened on Jun 10, 2026

Prefect Flow-Run Execute Exit With Flow Exit Code

enhancementAn improvement of an existing featureAn improvement of an existing feature

Status: Open.

#22242 In PrefectHQ/prefect;

· jhamet93 opened on Jun 8, 2026

Add flow run attempt filter to the flow run graph to isolate tasks by run count

enhancementAn improvement of an existing featureAn improvement of an existing feature

Status: Open.

#22220 In PrefectHQ/prefect;

· bdalpe opened on Jun 4, 2026

Reduce Kubernetes worker observer memory footprint in large / multi-tenant clusters

enhancementAn improvement of an existing featureAn improvement of an existing feature

Status: Open.

#22208 In PrefectHQ/prefect;

· rcash opened on Jun 3, 2026

Process workers do not engage the 3.7 auto-uv run launcher

Status: Open.

#22184 In PrefectHQ/prefect;

· pblocz opened on Jun 1, 2026

3.7: full sys.path on flow PYTHONPATH breaks subprocess CLIs with bundled Python (SRE module mismatch)

bugSomething isn't workingSomething isn't working

Status: Open.

#22147 In PrefectHQ/prefect;

· yukiyan opened on May 29, 2026

MarkLateRuns enqueues duplicate docket tasks per flow-run, generating Late→Late state events that amplify reactive-triggers load (regression from #19722)

Status: Open.

#22139 In PrefectHQ/prefect;

· fatih-acar opened on May 28, 2026

Leaked ephemeral-* Redis consumer groups pin the events stream and prevent trimming after ungraceful shutdowns

bugSomething isn't workingSomething isn't working

Status: Open.

#22136 In PrefectHQ/prefect;

· fatih-acar opened on May 28, 2026