chore: release main

Author: stainless-app[bot]

.release-please-manifest.json

@@ -1,7 +1,7 @@
 {
-  "src/Anthropic": "12.14.0",
+  "src/Anthropic": "12.15.0",
   "src/Anthropic.Foundry": "0.5.0",
   "src/Anthropic.Bedrock": "0.3.0",
-  "src/Anthropic.Vertex": "0.3.0",
+  "src/Anthropic.Vertex": "0.3.1",
   "src/Anthropic.Aws": "0.2.2"
 }

src/Anthropic.Vertex/Anthropic.Vertex.csproj

@@ -5,7 +5,7 @@
     <Nullable>enable</Nullable>
 
     <PackageId>Anthropic.Vertex</PackageId>
-    <VersionPrefix>0.3.0</VersionPrefix>
+    <VersionPrefix>0.3.1</VersionPrefix>
   </PropertyGroup>
 
   <ItemGroup>

src/Anthropic.Vertex/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.3.1 (2026-04-14)
+
+Full Changelog: [Vertex-v0.3.0...Vertex-v0.3.1](https://github.com/anthropics/anthropic-sdk-csharp/compare/Vertex-v0.3.0...Vertex-v0.3.1)
+
 ## 0.3.0 (2026-04-10)
 
 Full Changelog: [Vertex-v0.2.1...Vertex-v0.3.0](https://github.com/anthropics/anthropic-sdk-csharp/compare/Vertex-v0.2.1...Vertex-v0.3.0)

src/Anthropic/Anthropic.csproj

@@ -4,7 +4,7 @@
     <AssemblyTitle>Anthropic C#</AssemblyTitle>
     <AssemblyName>Anthropic</AssemblyName>
     <PackageId>Anthropic</PackageId>
-    <VersionPrefix>12.14.0</VersionPrefix>
+    <VersionPrefix>12.15.0</VersionPrefix>
     <StainlessMainProject>true</StainlessMainProject>
     <Description>The official .NET library for the Anthropic API.</Description>
     <OutputType>Library</OutputType>

src/Anthropic/CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## 12.15.0 (2026-04-14)
+
+Full Changelog: [Anthropic-v12.14.0...Anthropic-v12.15.0](https://github.com/anthropics/anthropic-sdk-csharp/compare/Anthropic-v12.14.0...Anthropic-v12.15.0)
+
+### Features
+
+* add structured outputs ([#588](https://github.com/anthropics/anthropic-sdk-csharp/issues/588)) ([9294463](https://github.com/anthropics/anthropic-sdk-csharp/commit/92944638f423c4109c1f763e07a16151ca47de77))
+* **api:** mark Sonnet and Opus 4 as deprecated ([711457c](https://github.com/anthropics/anthropic-sdk-csharp/commit/711457cd6af3454ea860ce6b9e2b5594f3e5b5a2))
+
+
+### Bug Fixes
+
+* **streaming:** add missing events ([5dd38a9](https://github.com/anthropics/anthropic-sdk-csharp/commit/5dd38a9a9f87a2acd1c086634cb5abb6e49f9f31))
+
 ## 12.14.0 (2026-04-09)
 
 Full Changelog: [Anthropic-v12.13.0...Anthropic-v12.14.0](https://github.com/anthropics/anthropic-sdk-csharp/compare/Anthropic-v12.13.0...Anthropic-v12.14.0)