What's Changed Documentation π docs: send referrers on outbound links and add missing page descriptions by @madureira-gabriel in #23728 Uncategorized chore(deps): Update github actions by @prefect-renovate[bot] in #23699 New Contributors @madureira-gabriel made their first contribution in #23728 Full Changelog: 3.9.2.dev3...3.9.2.dev4
What's Changed Enhancements ββ chore(deps): Update Node.js by @prefect-renovate[bot] in #23705 Bug Fixes π Preserve literal markup and emoji aliases in all CLI JSON/YAML output by @devin-ai-integration[bot] in #23695 Fix v1 UI ignoring PREFECT_SERVER_UI_SHOW_PROMOTIONAL_CONTENT by @devin-ai-integration[bot] in #23710 Development & Tidiness π§Ή Fix flaky server signal forwarding tests by using OS-assβ¦
What's Changed Bug Fixes π Return 422 instead of 503/500 for invalid values in request bodies by @devin-ai-integration[bot] in #23619 Preserve literal artifact content in CLI JSON output by @RoryGlenn in #23692 New Contributors @RoryGlenn made their first contribution in #23692 Full Changelog: 3.9.2.dev1...3.9.2.dev2
What's Changed Enhancements ββ fix(ui-v2): render list-of-lists table artifacts in ArtifactDataView by @devin-ai-integration[bot] in #23359 fix(ui): preserve datetime instants when changing timezone by @ashutosh8021 in #23682 Bug Fixes π Release async-acquired locks in RedisLockManager.release_lock by @devin-ai-integration[bot] in #23654 fix(prefect-docker): preserve configured volumes in direct fβ¦
3.9.1 - This hour is a rerun Released on October 30, 2026 Enhancements ββ Add custom state discovery and filters by @desertaxle in #23490 Add Run action to the React flows list menu and flow page by @devin-ai-integration[bot] in #23354 Allow sorting task runs by duration by @nolantonio in #23275 Allow dismissing the V1 UI sidebar shortcut by @zzstoatzz in #23626 Enforce duration input minimum by @β¦
What's Changed Bug Fixes π Exit non-zero from flow-run execute when a crash cannot be reported by @devin-ai-integration[bot] in #23393 Handle concurrent API-key Secret creation in Kubernetes workers by @j-hamet in #23649 Documentation π Fix broken docs links and stop redirecting missing pages to the homepage by @maximearmstrong in #23651 Uncategorized fix: use default value does nothing in parametβ¦
What's Changed Bug Fixes π Preserve cron start bounds in repeated DST hours by @zzstoatzz in #23634 Recover cron occurrences shifted through DST gaps by @zzstoatzz in #23636 Uncategorized Bump msgpack from 1.2.1 to 1.2.3 by @dependabot[bot] in #23633 Bump qs from 6.16.0 to 6.17.0 in /ui by @dependabot[bot] in #23632 Show an invalid ID error from prefect deployment run --id for malformed IDs by @Luβ¦
What's Changed Enhancements ββ Allow dismissing the V1 UI sidebar shortcut by @zzstoatzz in #23626 Documentation π docs: Set canonical URLs to www.prefect.io by @maximearmstrong in #23641 Uncategorized fix date changing when clicking pm in date selector by @uinstinct in #23622 Restore advisory Cloud API compatibility checks by @desertaxle in #23624 Link to the docs at www.prefect.io/docs by @maximβ¦
What's Changed Enhancements ββ Allow sorting task runs by duration by @nolantonio in #23275 Bug Fixes π Substitute apply_values placeholders in a single pass by @devin-ai-integration[bot] in #23494 Percent-encode path values in url_for by @devin-ai-integration[bot] in #23493 Fix KubernetesJobRun.wait_for_completion raising on interim K8s 1.31+ Job conditions by @devin-ai-integration[bot] in #23526β¦
What's Changed Enhancements ββ Add Run action to the React flows list menu and flow page by @devin-ai-integration[bot] in #23354 Bug Fixes π fix(server): begin SQLite write transaction before reading automation buckets by @devin-ai-integration[bot] in #23471 Fix forked child processes exiting with code 1 because of QueueService at-exit drain by @devin-ai-integration[bot] in #23464 Serialize contexβ¦
What's Changed Enhancements ββ Add custom state discovery and filters by @desertaxle in #23490 Bug Fixes π Lock current prefect-redis and prefect-kubernetes for the Docker image by @devin-ai-integration[bot] in #23537 Retry flows that return a failed state when retries is configured by @devin-ai-integration[bot] in #23535 Bump stale integration pins in uv.lock and keep them current on release by @β¦
What's Changed Bug Fixes π Allow patched AnyIO releases on 2.x by @desertaxle in #23350 Integrations & Dependencies π€ Refresh pip and Conda CA trust in Prefect 2 images by @zzstoatzz in #23518 Development & Tidiness π§Ή Add 2.x Docker release recovery path by @desertaxle in #23019 Uncategorized Add Osano and GTM to Prefect 2.x docs by @desertaxle in #23135 Fix 2.x CI: replace dead Sanity logo URLs aβ¦
What's Changed Enhancements ββ prevent state persistence error from failing success flow by @uinstinct in #22745 Bug Fixes π Skip unset Pydantic private attributes when rebuilding models in visit_collection by @devin-ai-integration[bot] in #23515 Documentation π docs: document Python 3.15 support and ISO duration inputs for within by @devin-ai-integration[bot] in #23498 Uncategorized Fix dbt Cloudβ¦
What's Changed Uncategorized Publish duration lower bounds only where validation enforces them by @gaker in #23507 Move the remaining Node 20 pins to Node 22 by @znicholasbrown in #23509 Update Node to the October 2026 security releases by @znicholasbrown in #23508 New Contributors @gaker made their first contribution in #23507 Full Changelog: 3.9.0...3.9.1.dev1
3.9.0 - Pendulum's last swing Released on October 21, 2026 Breaking Changes β οΈ Drop Python 3.10 support by @devin-ai-integration[bot] in #23324 Remove deprecated Runner execution paths by @desertaxle in #23496 Deprecate Pendulum datetime behavior on Python 3.11β3.12 by @devin-ai-integration[bot] in #23328 New Features π Add Python 3.15 support by @devin-ai-integration[bot] in #23400 Enhancements ββ¦
What's Changed Enhancements ββ Filter Kubernetes observer LIST/WATCH server-side and page initial lists by @devin-ai-integration[bot] in #23457 Bug Fixes π Return run input from async pause_flow_run when pause is rejected by @devin-ai-integration[bot] in #23435 Allow Task.with_options(tags=[]) to clear existing tags by @devin-ai-integration[bot] in #23444 Delete every deployment with prefect deploβ¦
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: alex.s ajstreed1@gmail.com
What's Changed Enhancements ββ Fix ECS container resource expectations for Moto 5.2.4 by @desertaxle in #23431 Bug Fixes π Make *args/**kwargs optional collections in flow parameter schemas by @devin-ai-integration[bot] in #23418 Preserve S3 bucket prefixes for paths with leading slashes by @ska2704 in #23407 New Contributors @ska2704 made their first contribution in #23407 Full Changelog: 3.8.9.dβ¦
What's Changed Bug Fixes π Fix visit_collection returning another object's cached result after id reuse by @novain-shibu in #23404 Documentation π docs: import WorkPoolUpdate from client.schemas.actions in ECS guide by @shaikn6 in #23367 Uncategorized Recover cancellation and suspension observers from websocket outages by @devin-ai-integration[bot] in #23421 Bump source-map-js from 1.2.1 to 1.2.2β¦
What's Changed Bug Fixes π fix(client): preserve pytz timezone names in RRuleSchedule.from_rrule() by @devin-ai-integration[bot] in #23396 Documentation π docs: Add release notes for prefect-ray==0.6.0 by @devin-ai-integration[bot] in #23415 docs: remove outdated Python 3.13 limitation from prefect-ray docs by @devin-ai-integration[bot] in #23414 Uncategorized Bump cairosvg from 2.9.0 to 2.9.1 byβ¦
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: alex.s ajstreed1@gmail.com
What's Changed Bug Fixes π fix: Fix items type by @rjafarau in #23388 Check out pinned commit_sha when a git checkout already exists by @devin-ai-integration[bot] in #23374 Uncategorized Bump uv from 0.12.10 to 0.12.18 in /scripts/proxy-test by @dependabot[bot] in #23365 New Contributors @rjafarau made their first contribution in #23388 Full Changelog: 3.8.9.dev2...3.8.9.dev3
What's Changed Enhancements ββ fix(ui): make flow run activity cells navigable by @VivekVRobo in #23352 fix(ui-v2): render run graph artifact icons instead of black boxes by @JonasFockstedt in #23348 fix(ui-v2): open a run's artifacts directly from the Artifacts tab and run graph by @JonasFockstedt in #23339 Bug Fixes π Keep the runner healthcheck healthy while the API is in maintenance by @jimid2β¦
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: alex.s ajstreed1@gmail.com
What's Changed Documentation π Drop Python 3.10 support by @devin-ai-integration[bot] in #23324 Full Changelog: 3.8.8...3.8.9.dev1
This is the last release that will support Python 3.10 β future releases will require Python 3.11 or later. Bug Fixes π 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 createdβ¦
What's Changed Bug Fixes π Fix UnboundLocalError in observer _get_k8s_jobs when the Kubernetes client can't be created by @devin-ai-integration[bot] in #23220 fix(client): 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 cβ¦
What's Changed Uncategorized Apply retry_jitter_factor in the task engine by @uinstinct in #23222 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 Full Changelog: 3.8.8.dev2...3.8.8.dev3
What's Changed Bug Fixes π Page through all runs in cancellation cleanup and pause expiration monitors by @chuqCTC in #23240 Documentation π docs: Add release notes for prefect-shell==0.3.7 by @devin-ai-integration[bot] in #23242 Uncategorized chore: replace Sanity-hosted logo URLs by @devin-ai-integration[bot] in #23235 Bump undici from 8.9.0 to 8.11.2 in /ui-v2 by @dependabot[bot] in #23236 Bumpβ¦
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: Alex S. alex.s@prefect.io Co-authored-by: alex.s ajstreed1@gmail.com