PrefectHQ/prefect 3.6.10 on GitHub

3.6.10 - Five Bugs Walked Into A Bar And None Of Them Left

Released on January 08, 2026

Enhancements ➕➕

Add prefect automation update CLI command by @devin-ai-integration[bot] in #20118
Add upserting global concurrency limit decay by @cbrown1234 in #20124

Bug Fixes 🐞

Fix AttributeError in Consumer.cleanup() for non-memory brokers by @devin-ai-integration[bot] in #20089
Fix exception_to_crashed_state_sync failing without async backend by @zzstoatzz in #20139
Fix MockValSer serialization error with StateDetails by @zzstoatzz in #20127
Resolve race condition in compound trigger evaluation by @desertaxle in #20106
Fix AttributeError for functools.partial hooks in Runner by @devin-ai-integration[bot] in #20136

Development & Tidiness 🧹

Add UISettings model for /ui-settings endpoint by @desertaxle in #20103
Fix flaky test_concurrency_respects_timeout test by @devin-ai-integration[bot] in #20138
Update @prefecthq/prefect-ui-library to version 3.14.8 by @marvin-robot in #20147
Run integration tests against PostgreSQL to prevent CI timeouts by @devin-ai-integration[bot] in #20080
Use correct apt version syntax for git in Dockerfile by @devin-ai-integration[bot] in #20094

Documentation 📓

Link to MCP server security FAQ by @zzstoatzz in #20120
Fix broken ECS worker deployment guide links by @devin-ai-integration[bot] in #20119
Clarify that base job template variables must be referenced in job_configuration by @zzstoatzz in #20133

Full Changelog: 3.6.9...3.6.10