# Prefect 3.8.3.dev2 — 3.8.3.dev2: Nightly Development Release

- Product: Prefect (https://whatsnew.fyi/product/prefect)
- Vendor: Prefect
- Date: 2026-08-12
- Version: 3.8.3.dev2
- Original notes: https://github.com/PrefectHQ/prefect/releases/tag/3.8.3.dev2
- Permalink: https://whatsnew.fyi/product/prefect/releases/3.8.3.dev2
- Labels: Pre-release

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'.

---

- **fixed** — Select a valid anyOf branch for record values in schema forms in UI v2
- **changed** — Update tailwind-merge dependency to v3
- **changed** — Update astral-sh/setup-uv action to v9

<!-- Release notes generated using configuration in .github/release.yml at main -->

##### What's Changed
###### Enhancements ➕➕
* fix(ui-v2): select a valid anyOf branch for record values in schema forms by @devin-ai-integration[bot] in https://github.com/PrefectHQ/prefect/pull/22806
###### Documentation 📓
* Engage the auto-`uv run` launcher for process workers by @devin-ai-integration[bot] in https://github.com/PrefectHQ/prefect/pull/22723
* Update the order of the guide by @anthonyylee in https://github.com/PrefectHQ/prefect/pull/22687
###### Uncategorized
* chore(deps): Update dependency tailwind-merge to v3 by @prefect-renovate[bot] in https://github.com/PrefectHQ/prefect/pull/22789
* chore(deps): Update astral-sh/setup-uv action to v9 by @prefect-renovate[bot] in https://github.com/PrefectHQ/prefect/pull/22781

##### New Contributors
* @anthonyylee made their first contribution in https://github.com/PrefectHQ/prefect/pull/22687

**Full Changelog**: https://github.com/PrefectHQ/prefect/compare/3.8.3.dev1...3.8.3.dev2