# Micronaut v5.1.11 — Micronaut Core 5.1.11

- Product: Micronaut (https://whatsnew.fyi/product/micronaut)
- Vendor: Micronaut Foundation
- Date: 2026-08-17
- Version: v5.1.11
- Original notes: https://github.com/micronaut-projects/micronaut-core/releases/tag/v5.1.11
- Permalink: https://whatsnew.fyi/product/micronaut/releases/v5.1.11

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'.

---

- **added** — Add SCIM JSON media type support
- **changed** — Update netty monorepo to v4.2.17.Final
- **changed** — Update netty-tcnative to 2.0.81.Final
- **fixed** — Replace reference equality with value equality in isAny and isAnyMethod in CORS
- **fixed** — Use case-insensitive Content-Type and Content-Length header matching in FormDemuxer
- **fixed** — Fix FormDemuxer event loop race
- **fixed** — Fix handling of inaccessible configuration properties in metadata

<!-- Release notes generated using configuration in .github/release.yml at 5.1.x -->

##### What's Changed
* Update netty monorepo to v4.2.17.Final ([#12876](https://github.com/micronaut-projects/micronaut-core/issues/12876))
###### Bug Fixes 🐞
* fix(cors): replace reference equality with value equality in isAny and isAnyMethod by @fatekingsama in https://github.com/micronaut-projects/micronaut-core/pull/12627
* fix(multipart): case-insensitive Content-Type/Content-Length header matching in FormDemuxer by @florian-3ap in https://github.com/micronaut-projects/micronaut-core/pull/12836
* [5.1.x] Update netty-tcnative to 2.0.81.Final by @yawkat in https://github.com/micronaut-projects/micronaut-core/pull/12890
* Fix FormDemuxer event loop race by @yawkat in https://github.com/micronaut-projects/micronaut-core/pull/12886
###### Improvements ⭐
* Add SCIM JSON media type support by @sdelamo in https://github.com/micronaut-projects/micronaut-core/pull/12835
* test: cover default application context resource loader validation by @amirdeljouyi in https://github.com/micronaut-projects/micronaut-core/pull/12774
* Use management refresh endpoint in CORS TCKs by @sdelamo in https://github.com/micronaut-projects/micronaut-core/pull/12880
###### Other Changes 💡
* Fix handle inaccessible configuration properties in metadata by @dstepanov in https://github.com/micronaut-projects/micronaut-core/pull/12882

##### New Contributors
* @florian-3ap made their first contribution in https://github.com/micronaut-projects/micronaut-core/pull/12836
* @amirdeljouyi made their first contribution in https://github.com/micronaut-projects/micronaut-core/pull/12774

**Full Changelog**: https://github.com/micronaut-projects/micronaut-core/compare/v5.1.10...v5.1.11