📝 Update release notes

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4 days ago · 7b3effea75
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 ## Latest Changes

+### Fixes
+
+* 🐛 Refactor router route building to make it thread-safe, mainly relevant for tests running in parallel threads (uncommon). PR [#16013](https://github.com/fastapi/fastapi/pull/16013) by [@tiangolo](https://github.com/tiangolo).
+
 ## 0.139.1 (2026-07-16)

 ### Fixes