Prefect Files

New Features 🎉

• Emit lifecycle events (created, updated, deleted) for all domain objects including variables, flows, block documents, block types, concurrency limits, artifact collections, and automations by @chrisguidry in #22226

Enhancements ➕➕

• Add Redis-backed cleanup queue backend with optimistic transactions and cross-process wakeups by @desertaxle in #22109
• Add cleanup reconciler for worker channel delivery with lease expiry, retry, and dead-letter policies by @desertaxle in #22205
• Add cleanup delivery dispatcher for routing reserved cleanup messages to workers over WebSocket by @desertaxle in #22206
• Add configurable filter params (automations, sort, limit, offset) to read_automations client methods by @devin-ai-integration[bot] in #22191
• Surface sanitized git clone stderr in error messages when no known hint matches by @zzstoatzz in #22196

Bug Fixes 🐞

• Fix deploy init field parsing by @zzstoatzz in #22183
• Fix parse_obj_as() crash with StopIteration on empty dict by @devteamaegis in #22188
• Fix prompt to save new deployments into an existing prefect.yaml by @zzstoatzz in #22195
• Filter stdlib paths from PYTHONPATH to prevent subprocess CLI breakage by @devin-ai-integration[bot] in #22179
• Recover perpetual services after Redis disruption by @devin-ai-integration[bot] in #22213

Documentation 📓

• Document max request size limit for Prefect Cloud API by @devin-ai-integration[bot] in #22186
• Document flow_run_log_summary automation template variable by @mitchnielsen in #22192
• Clarify runtime auto-install gating conditions by @devin-ai-integration[bot] in #22209
• Document deployment schedule clear command by @devin-ai-integration[bot] in #22221
• Use canonical PREFECT_TASKS_* env vars in retries guide by @devin-ai-integration[bot] in #22235

Development & Tidiness 🧹

• Preserve cyclopts modules in reset_sys_modules by @zzstoatzz in #22194
• Increase hold_timeout in test_wait_for_lock to prevent race condition by @devin-ai-integration[bot] in #22202
• Use automatic=True for cleanup reconciler perpetual service by @devin-ai-integration[bot] in #22225
• Scope uv bytecode compilation to image builds by @zzstoatzz in #22227
• Upgrade UI builder stages from bullseye to bookworm by @devin-ai-integration[bot] in #22231

Full Changelog: https://github.com/PrefectHQ/prefect/compare/3.7.3...3.7.4