Prefect Files

This is the last release that will support Python 3.10 — future releases will require Python 3.11 or later.

Bug Fixes 🐞

• Fix get_call_parameters to unwrap FieldInfo defaults for flow runs by @vyagubov in #23228
• Page through all runs in cancellation cleanup and pause expiration monitors by @chuqCTC in #23240
• Fix UnboundLocalError in observer _get_k8s_jobs when the Kubernetes client can't be created by @devin-ai-integration[bot] in #23220
• Parse HTTP-date and invalid Retry-After headers instead of crashing by @devin-ai-integration[bot] in #23278
• Fix automation edit crash for flow-run triggers with non-state events by @devin-ai-integration[bot] in #23218
• Pass the configured botname to NotifyMattermost by @Ayoubhm07 in #23281
• Stop truncating runner names that contain dots by @fbossiere in #23195
• Fix nested schema required list leaking onto sibling properties in process_properties by @devin-ai-integration[bot] in #23192
• Don't reschedule a flow run the server already finished on SIGTERM by @devin-ai-integration[bot] in #23244
• Keep the worker healthcheck healthy while the API is in maintenance by @jimid27 in #23230
• Keep event persister periodic flush alive when the database raises CancelledError by @devin-ai-integration[bot] in #23308
• Use POSIX paths in prefect deploy flow picker by @devin-ai-integration[bot] in #23310
• Add opt-in POSIX paths to filter_files while preserving the native default by @devin-ai-integration[bot] in #23292
• Fix misleading cron schedule help text that reverses OR/AND switch behavior by @uinstinct in #23238
• Apply retry_jitter_factor in the task engine by @uinstinct in #23222
• Preserve cache policy configuration when excluding inputs by @MohammadHijjawi97 in #23224
• Fix failed state losing metadata during retry by @uinstinct in #23256
• Fix rollback and commit hooks not working by @uinstinct in #23186
• Match _ and % literally in log and event text search by @breken-ai in #23214
• Resolve single-value block keys that start with value by @breken-ai in #23215
• Reload collections when a worker type is missing after install by @wolfgang-aura in #23237
• Allow prefect work-pool update --concurrency-limit 0 by @LuisFigueroaG in #23299
• Fix flows multi-select readability by using checkboxes by @uinstinct in #23034

Integrations & Dependencies 🤝

• Bump undici from 8.9.0 to 8.11.2 in /ui-v2 by @dependabot[bot] in #23236
• Bump urllib3 from 2.7.0 to 2.8.0 by @dependabot[bot] in #23245
• Bump pyjwt from 2.13.0 to 2.15.0 by @dependabot[bot] in #23246
• Bump brace-expansion in /ui-v2 by @dependabot[bot] in #23250
• Bump virtualenv from 21.7.1 to 21.7.12 by @dependabot[bot] in #23253
• Bump oauthlib from 3.3.1 to 4.0.0 by @dependabot[bot] in #23251
• Bump virtualenv from 21.7.12 to 21.7.13 by @dependabot[bot] in #23264
• Bump brace-expansion in /ui by @dependabot[bot] in #23285
• Bump tornado from 6.5.8 to 6.5.9 by @dependabot[bot] in #23254

Development & Tidiness 🧹

• Wait for Runs page URL sync instead of re-navigating in ui-v2 e2e tests by @devin-ai-integration[bot] in #23266
• Wait for LISTEN registration in automation notification test by @devin-ai-integration[bot] in #23265
• Never hand out a stopped QueueService instance from instance() by @devin-ai-integration[bot] in #23172
• Install locked dependency versions in the Docker image by @jasperchan in #23225
• Add repository-hosted block and worker logos by @devin-ai-integration[bot] in #23231
• Replace Sanity-hosted logo URLs by @devin-ai-integration[bot] in #23235
• Migrate AGENTS.md/docs update workflows from Claude Code SDK to Devin by @devin-ai-integration[bot] in #23289

Full Changelog: https://github.com/PrefectHQ/prefect/compare/3.8.7...3.8.8