PrefectHQ/prefect 3.6.5 on GitHub

3.6.5 - Batch Me If You Can

Released on December 04, 2025

Enhancements ➕➕

Raise if event is too big by @jakekaplan in #19531
Support Path objects in result_storage parameter by @zzstoatzz in #19533
Hide "Join the Community" in air-gapped deployments by @zzstoatzz in #19540
Parametrize xreadgroup batch size in consumer and add EventPersister service setting by @saschwartz in #19545
Parametrize xautoclaim batch size by @saschwartz in #19557
Parametrize TaskRunRecorder and Trigger service message read batch size by @saschwartz in #19559
Add Slack GovCloud (slack-gov.com) webhook support to SlackWebhook block by @devin-ai-integration[bot] in #19565
Support dot-delimited syntax for job_variables in workers by @devin-ai-integration[bot] in #19619
Add client-side caching for concurrency limits by @devin-ai-integration[bot] in #19625

Bug Fixes 🐞

Support username:password auth for self-hosted BitBucket instances by @zzstoatzz in #19516
Optimize /api/task_runs/count endpoint performance by @naaa760 in #19548
Fix docker compose file in self hosted docs by @rodeyfeld in #19551
Fix performance issues with sync tasks on Windows by @desertaxle in #19595
Fix dead thread hang by @zzstoatzz in #19601
Allow Jinja templates in trigger enabled field during YAML loading by @zzstoatzz in #19610
Fix compatibility with fastapi==0.123.7 by @desertaxle in #19626
Allow EC2 task definitions to omit launchType for capacity providers by @zzstoatzz in #19630

Integrations & Dependencies 🤝

Development & Tidiness 🧹

Add timeout to worker teardown to prevent test flakes by @zzstoatzz in #19465
Update CODEOWNERS by @desertaxle in #19578
Pin pytest-asyncio to fix 3.10 client tests by @desertaxle in #19609
Fix flakes in TestReadTaskRunCountsByState::test_returns_all_state_types by @desertaxle in #19612

Documentation 📓

Full Changelog: 3.6.4...3.6.5