# Prefect 3.8.5 — 3.8.5 - A little jitter never hurt anybody

- Product: Prefect (https://whatsnew.fyi/product/prefect)
- Vendor: Prefect
- Date: 2026-09-03
- Version: 3.8.5
- Original notes: https://github.com/PrefectHQ/prefect/releases/tag/3.8.5
- Permalink: https://whatsnew.fyi/product/prefect/releases/3.8.5

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Suggest existing deployment tags in the V2 deployments filter
- **changed** — Use current settings for resource label validation
- **added** — Add parameter overrides to the deployment schedule dialog
- **changed** — Use indexed flow run cleanup with separate orphan reconciliation
- **added** — Add id fields and matching filters to automation count and filter models
- **changed** — Reduce event persister INSERT compilation CPU
- **fixed** — Support new Microsoft Teams and Power Automate webhook URLs
- **fixed** — Keep run-context related resources within the maximum an event permits
- **fixed** — Keep enum selection in the Quick Run dialog from navigating away
- **fixed** — Keep deployment concurrency lease across flow retry transitions
- **fixed** — Fix scheduled flow run polling
- **fixed** — Remove the unbounded flow run count from the dashboard empty-state check
- **fixed** — Avoid importing pandas when prefect.cache_policies is imported
- **fixed** — Keep the flow run tooltip on the hovered run while moving into it
- **fixed** — Use the const value when a literal branch is selected in a schema form
- **fixed** — Fix dashboard flow run query ordering
- **fixed** — Avoid overwriting a final flow run state with Crashed after a post-completion SIGTERM
- **fixed** — Fix the automation SDK filter model
- **fixed** — Apply jitter around the backed-off interval in critical_service_loop
- **fixed** — Fix spacing between items in the create flow run form

**Enhancements ➕➕**

* Suggest existing deployment tags in the V2 deployments filter by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22939](https://github.com/PrefectHQ/prefect/pull/22939)
* Use current settings for resource label validation by [@chuqCTC](https://github.com/chuqCTC) in [#22959](https://github.com/PrefectHQ/prefect/pull/22959)
* Add parameter overrides to the deployment schedule dialog by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22805](https://github.com/PrefectHQ/prefect/pull/22805)
* Use indexed flow run cleanup with separate orphan reconciliation by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22875](https://github.com/PrefectHQ/prefect/pull/22875)
* Add `id` fields and matching filters to automation count and filter models by [@znicholasbrown](https://github.com/znicholasbrown) in [#22944](https://github.com/PrefectHQ/prefect/pull/22944)
* Reduce event persister `INSERT` compilation CPU by [@chuqCTC](https://github.com/chuqCTC) in [#22961](https://github.com/PrefectHQ/prefect/pull/22961)

**Bug Fixes 🐞**

* Support new Microsoft Teams and Power Automate webhook URLs by [@Roshan931](https://github.com/Roshan931) in [#22908](https://github.com/PrefectHQ/prefect/pull/22908)
* Keep run-context related resources within the maximum an event permits by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22835](https://github.com/PrefectHQ/prefect/pull/22835)
* Keep enum selection in the Quick Run dialog from navigating away by [@vyagubov](https://github.com/vyagubov) in [#22953](https://github.com/PrefectHQ/prefect/pull/22953)
* Keep deployment concurrency lease across flow retry transitions by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22886](https://github.com/PrefectHQ/prefect/pull/22886)
* Fix scheduled flow run polling by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22970](https://github.com/PrefectHQ/prefect/pull/22970)
* Remove the unbounded flow run count from the dashboard empty-state check by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22920](https://github.com/PrefectHQ/prefect/pull/22920)
* Avoid importing `pandas` when `prefect.cache_policies` is imported by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22999](https://github.com/PrefectHQ/prefect/pull/22999)
* Keep the flow run tooltip on the hovered run while moving into it by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#23012](https://github.com/PrefectHQ/prefect/pull/23012)
* Use the `const` value when a literal branch is selected in a schema form by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22911](https://github.com/PrefectHQ/prefect/pull/22911)
* Fix dashboard flow run query ordering by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#22917](https://github.com/PrefectHQ/prefect/pull/22917)
* Avoid overwriting a final flow run state with `Crashed` after a post-completion `SIGTERM` by [@devin-ai-integration](https://github.com/devin-ai-integration)[bot] in [#23026](https://github.com/PrefectHQ/prefect/pull/23026)
* Fix the automation SDK filter model by [@znicholasbrown](https://github.com/znicholasbrown) in [#22945](https://github.com/PrefectHQ/prefect/pull/22945)
* Apply jitter around the backed-off interval in `critical_service_loop` by [@ethanstoner](https://github.com/ethanstoner) in [#22980](https://github.com/PrefectHQ/prefect/pull/22980)
* Fix spacing between items in the create flow run form by [@uinstinct](https://github.com/uinstinct) in [#23000](https://github.com/PrefectHQ/prefect/pull/23000)
* Center the plus icon in the automation deployment combobox by [@uinstinct](https://github.com/uinstinct) in [#23014](https://github.com/PrefectHQ/prefect/pull/23014)
* Fix border rounding in the date selector by [@uinstinc

_[Truncated at 4000 characters — full notes: https://github.com/PrefectHQ/prefect/releases/tag/3.8.5]_