From 52467f6b0250d5e04f2e5bd20ee62f8707b5ce59 Mon Sep 17 00:00:00 2001
From: "release-please-token-provider[bot]"
 <225477224+release-please-token-provider[bot]@users.noreply.github.com>
Date: Wed, 4 Mar 2026 15:49:08 +0000
Subject: [PATCH] chore(main): release 3.4.0

---
 .release-please-manifest.json |  2 +-
 CHANGELOG.md                  | 17 +++++++++++++++++
 Directory.Build.props         |  2 +-
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0befe35d6..2437b4193 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.3.1"
+  ".": "3.4.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d8605bbf..033c3f970 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [3.4.0](https://github.com/microsoft/OpenAPI.NET/compare/v3.3.1...v3.4.0) (2026-03-04)
+
+
+### Features
+
+* **library:** preserve PatternProperties as x-jsonschema-patternProperties extension for OpenAPI v2/v3.0 serialization ([d969fdc](https://github.com/microsoft/OpenAPI.NET/commit/d969fdc12632ad0879b9fe07d3ab736b21ae68cf))
+* **library:** Preserve PatternProperties via x-jsonschema-patternProperties extension for OpenAPI v2/v3.0 ([16ab5e4](https://github.com/microsoft/OpenAPI.NET/commit/16ab5e42bdef6e08e2afaf7ad3921ac8178f059c))
+* **securityscheme:** add oauth2MetadataUrl support (OpenAPI 3.2) ([4509488](https://github.com/microsoft/OpenAPI.NET/commit/4509488f2e8725e37a60a3b7a3a8a0b6c0c74378))
+
+
+### Bug Fixes
+
+* implement unevaluatedProperties as schema per JSON Schema 2020-12 ([#2728](https://github.com/microsoft/OpenAPI.NET/issues/2728)) ([7c13fb3](https://github.com/microsoft/OpenAPI.NET/commit/7c13fb3910685b5c17897cd7799b9ef1bba7f80d))
+* **library:** serialize additionalProperties schema in OpenAPI V2 ([f3165fa](https://github.com/microsoft/OpenAPI.NET/commit/f3165fa874a8bb76788684742492f48b20aab892))
+* **library:** serialize additionalProperties schema in OpenAPI V2 documents ([3d07756](https://github.com/microsoft/OpenAPI.NET/commit/3d0775610a9e74b6d5ce845195ccb935576bcd31))
+* optimize parsing V3.1 documents by reducing GetLocation method allocation on hot path([#2748](https://github.com/microsoft/OpenAPI.NET/issues/2748)) ([f690681](https://github.com/microsoft/OpenAPI.NET/commit/f6906811e616f8e6875b8d839137c846fc7bbd9e))
+
 ## [3.3.1](https://github.com/microsoft/OpenAPI.NET/compare/v3.3.0...v3.3.1) (2026-01-22)
 
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 97bc7f633..9129d4c5e 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -12,7 +12,7 @@
     <PackageProjectUrl>https://github.com/Microsoft/OpenAPI.NET</PackageProjectUrl>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>OpenAPI .NET</PackageTags>
-    <Version>3.3.1</Version>
+    <Version>3.4.0</Version>
   </PropertyGroup>
   <!-- https://github.com/clairernovotny/DeterministicBuilds#deterministic-builds -->
   <PropertyGroup Condition="'$(TF_BUILD)' == 'true'">