Version 2.11.0 (#1143)

Author: Kludex

src/httpcore2/CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## 2.11.0 (August 18th, 2026)
+
+### Changed
+
+* Cache sniffio availability instead of importing it on every synchronization call.
+  ([#1132](https://github.com/pydantic/httpx2/pull/1132))
+
 ## 2.10.0 (August 9th, 2026)
 
 ### Added

src/httpx2/CHANGELOG.md

@@ -4,13 +4,26 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## Unreleased
+## 2.11.0 (August 18th, 2026)
 
 ### Added
 
 * Add the public `Origin` value object and `URL.origin` property for normalized,
   hashable origin comparisons. ([#1134](https://github.com/pydantic/httpx2/pull/1134))
 
+### Changed
+
+* Require Brotli 1.2.0 or later for the `brotli` extra. ([#1141](https://github.com/pydantic/httpx2/pull/1141))
+
+### Fixed
+
+* Restore deprecated status code aliases. ([#1135](https://github.com/pydantic/httpx2/pull/1135))
+* Extract HTTP/2 release notes from changelog headings correctly. ([#1136](https://github.com/pydantic/httpx2/pull/1136))
+* Respect explicit `Transfer-Encoding` headers and expose buffered request body lengths to WSGI applications.
+  ([#1137](https://github.com/pydantic/httpx2/pull/1137))
+* Validate multipart part header names and values before serialization.
+  ([#1142](https://github.com/pydantic/httpx2/pull/1142))
+
 ## 2.10.0 (August 9th, 2026)
 
 ### Added