- Added Promise<Observable> support for SSE handlers, keep‑alive for gRPC server, async logger compatibility option, and a message property to the file‑type validator.
- Fixed bugs across core, microservices, and common modules such as nested transient providers, provider resolution, gRPC stream return type, and ValidationPipe error handling.
- Updated Fastify CORS to v11.2.0, Express to v5.2.1, and bumped the file‑type library to 21.1.1.