chore(support/v2): release 2.12.0

[release-please-token-provider]

🤖 I have created a release beep boop

2.12.0 (2026-08-11)

Features

• adds deserialization of the example extension (095ae3b)
• serialize license identifier as extension for earlier versions (d5cdce8)
• serialize license identifier as extension for earlier versions (fde38d8)

Bug Fixes

• better nullability round-tripping (7a25659)
• bound YAML anchor/alias expansion to prevent OOM (billion laughs) (#3000) (a361360)
• bound YAML anchor/alias expansion to prevent OOM (billion laughs) (#3000) (4db9af0)
• library: serialize multiple schema types as anyOf/oneOf for OpenAPI 3.0 (6568896)
• marks deprecated properties from the specification as obsolete (26aba69)
• marks deprecated properties from the specification as obsolete (abc5301)
• schema: serialize compatibility examples from examples list (be57a7c)
• serialize examples as extension in v2/v3 (d27141b)

---

This PR was generated with Release Please. See documentation.

[github-code-quality]

Code Coverage Overview

Languages: C#

C# / code-coverage/dotnet

The overall coverage in commit 39abe60 in the release-please--bran... branch is 41%. The coverage in commit dbf1f9e in the support/v2 branch is 89%.

Show a code coverage summary of the most impacted files.

File	support/v2 dbf1f9e	release-please--bran... 39abe60	+/-
/home/runner/wo...MapParameter.cs	100%	0%	-100%
/home/runner/wo...Deserializer.cs	81%	0%	-81%
/home/runner/wo...pyReferences.cs	63%	31%	-32%
/home/runner/wo...piJsonReader.cs	100%	72%	-28%
/home/runner/wo...Deserializer.cs	90%	62%	-28%
/home/runner/wo...s/OpenApiTag.cs	100%	76%	-24%
/home/runner/wo...Deserializer.cs	100%	81%	-19%
/home/runner/wo...Deserializer.cs	96%	81%	-15%
/home/runner/wo...Deserializer.cs	97%	89%	-8%
/home/runner/wo...piComponents.cs	94%	87%	-7%

---

_{Updated August 11, 2026 20:24 UTC}

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud