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Prefect 3.8: the redesigned UI ships by default

UpdateNot yet verified

The redesigned UI is now the default for self-hosted servers, with quicker run navigation, clickable log links, and a round of reliability fixes.

Observability

Read on prefect.io

Also shipped Jul 23, 2026Prefect in July 2026 →

Genie Code scheduled tasks are in Beta

You can now schedule Genie Code to run a prompt on a recurring schedule. Each run executes your prompt as a full Genie Code session and produces a continuable Genie chat with the results, so you can turn recurring analysis into an unattended background task. Create a scheduled task by asking Genie Code in chat or by filling in the create form manually.

Beta
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Prefect 3.8.0 - You had me at first paint

Enhancements ➕➕ Add deployment filters to flow run triggers Make the V2 UI the default for self-hosted servers Copy additional options when using "Copy to new run" in the V2 UI Add "Copy to new run" to the flow run menu in the V2 UI Make URLs in run logs clickable in the V2 UI Allow year/month selection and manual typing in date inputs in the V2 UI Add...

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Prefect 3.8.1 - To relinquish, perchance to retry

Enhancements ➕➕ Show tooltips for flow run state tabs in the V2 UI Bug Fixes 🐞 Make ConcurrencyContext exit cleanup best-effort Keep worker startup alive when the Prefect API is unreachable Make PrefectFutureList.result timeout message reachable Render ANSI color escape codes in flow run logs in the V2 UI Confirm the exact suspension transition reported by...

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Prefect 3.7.8 - The flush must go on

Enhancements ➕➕ Format server-side validation errors for concurrency slot acquisition Bug Fixes 🐞 Keep TaskRunRecorder periodic flush alive when events are dropped Fix Windows permission error on git pull in runner storage Fix RRULE schedule anchor computed in UTC but interpreted as local time Reconnect events client from time-based checkpoint when...

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Prefect 3.8.2 - Array we there yet?

Enhancements ➕➕ Add removable chips for multi-select enum array fields Send a Prefect User-Agent on WebSocket handshakes Virtualize the timezone select option list Bug Fixes 🐞 Show all timezones in the timezone select Propagate array item edits and link deployments from the flow page Preserve an empty array when clearing list parameter selections Open the...

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Prefect 3.8.3 - Insert batching pun here

Enhancements ➕➕ Stop fragmenting task run recorder bulk upserts Engage the auto-uv run launcher for process workers Show elapsed time for running flow runs in the V2 UI flow run header Block submission when a required array parameter is emptied in the V2 UI Bug Fixes 🐞 Preserve a statement cache size of 0 Reject option-like Git branch values Stop leaking...

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