# Starlette 1.3.1 — Version 1.3.1

- Product: Starlette (https://whatsnew.fyi/product/starlette)
- Vendor: Encode
- Date: 2026-06-12
- Version: 1.3.1
- Original notes: https://github.com/Kludex/starlette/releases/tag/1.3.1
- Permalink: https://whatsnew.fyi/product/starlette/releases/1.3.1

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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- **changed** — Use StarletteDeprecationWarning instead of DeprecationWarning
- **changed** — Enforce max_fields and max_part_size limits in FormParser
- **fixed** — Enforce FormParser limits in parser callbacks

##### What's Changed
* Use `StarletteDeprecationWarning` instead of `DeprecationWarning` by @Kludex in https://github.com/Kludex/starlette/pull/3119
* Enforce `max_fields` and `max_part_size` in `FormParser` by @Kludex in https://github.com/Kludex/starlette/pull/3329
* Enforce `FormParser` limits in parser callbacks by @Kludex in https://github.com/Kludex/starlette/pull/3331

**Full Changelog**: https://github.com/Kludex/starlette/compare/1.3.0...1.3.1