- Add options support to ValidationPipe during transformation and support abstract classes in NestApplicationContext
- Extend websockets with RegExp namespaces and pass options to underlying gRPC, plus add proto namespace support in microservices gRPC
- Fix configurable Axios instance in async HttpModule and correct circular dependency error messages
v5.6.1
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Fixed early return issue causing Server-Sent Events (SSE) aborts in core
Fixed multiple core, common, and fastify issues: shared singleton providers, regex file type matching, route wildcard conversion, middleware prefix handling, lazy module scanning, and enum validation.
Added an override mimetype option to the file‑type validator and introduced SSE comment support in the core module