Optimize OpenAPI payload size by 46% (#1452)

Clean up complexity from PR #1426 (#1435)

Fix OpenAPI transitive references and performance (#1372) (#1426)

Fix OpenAPI allOf handling at requestBody top level (#1378) (#1425)

Increase performance test threshold to 100ms (#1406)

Improve OpenAPI-to-JSONSchema conversion utilities (#1283)

Fix nullable field handling in OpenAPI to JSON Schema conversion (#1279)

fix: experimental FastMCPOpenAPI server lost headers in request when __init__(client with headers) (#1254)

Optimize OpenAPI parser performance with single-pass schema processing (#1214)

Introduce experimental OpenAPI parser with improved performance and maintainability (#1209)