NestJS

Summary

Fixed early return issue causing Server-Sent Events (SSE) aborts in core

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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.

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Added an override mimetype option to the file‑type validator and introduced SSE comment support in the core module

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Fixed core, common, and websockets bugs: SSE producer teardown on disconnect, missing HttpError exception classes, and corrected websockets type guard.

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Fixed SSE async handlers teardown issue in the core module

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Fix core post SSE endpoint to return proper response instead of empty

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Fix microservices to reject pending Redis requests on close

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Fixed issue where dependency tree cache wasn’t cleared after metadata changes

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Fixed core bug (issue #16998) affecting snapshot: true behavior

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Fix inflight request injection bug

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Fixes skipped provider initialization during settlement in the core module.

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Fixed core bugs such as deep nested transient provider resolution, SSE event loss, and microservices RMQ crash; also addressed socket.io disconnect listener deduplication and common timestamp parsing issues.

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Use a backing field for the consumer CRASH event listener to fix crashes

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Fixed NATS serializer to preserve packet headers in microservices.

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Added Redis driver identification for microservices.

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Fix double callback issue in microservices when isDisposed or error is truthy

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Fixed microservices handling: corrected falsy check when `indexOf` returns 0 and added configurable max pattern depth and object complexity limits.

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Fixed Fastify middleware bypass vulnerability (CVE) in the fastify platform

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Fixed skipping of maxArrayLength and maxStringLength options and excluded built‑in primitives from strip proto keys.

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Fixed regression in loading file type on Windows OS.

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Updated Express body parser to v1.20.4.

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Update Express to 4.22.1, fixing CVE‑2025‑15284

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Fixed Fastify platform issue where middie bypassed through decoded characters.

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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.

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Fixed core get() to throw when used with implicitly request-scoped trees.

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Fix core nested transient provider isolation issue (15815).

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Added new features: manual acknowledgement handling for websockets (@Ack decorator), force console option and color allowance check for the logger, and an InvalidTcpDataReceptionException for TCP errors.

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Fix race condition in core class dependency resolution and attach root inquirer for nested transient providers.

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Update multer dependency from 2.0.1 to 2.0.2 in the platform express package.

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Fixed multiple core bugs including race condition in class dependency resolution, flattenRoutePath handling, and fastify adapter auto-initialization.

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Updated multer dependency from 2.0.0 to 2.0.1.

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Fixed graceful shutdown when the REPL exits.

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Updated multer dependency from 1.4.5 LTS.2 to 2.0.0.

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Fix microservices to support custom strategy in async useFactory configuration

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Fixed HTTP adapter error mapping and ensured all Redis/AMQP client connections are properly closed in core and microservices.

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Add support for RabbitMQ topic exchange in microservices

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Added fallbackToMimetype support to FileTypeValidator (common)

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Refactored common module to stop wrapping JavaScript in eval

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Temporarily moved the file type dependency from dev to regular dependencies in the common package.

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Introduce a magic file type validator in the NestJS common package to improve file handling validation.

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Fix common module to validate file mimetypes based on the file type.

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Fix methods comparison logic in the Fastify platform.

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Fixed Fastify platform by adding support for non-standard HTTP methods.

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Fix fastify adapter handling of global prefix exclusion with middleware

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Fixed infinite loop caused by broken circular reference in core.

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Switched Fastify to use the fast querystring parser, removing the deprecated parser for performance gains

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Fix microservices server send dropping emitted values

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Fixed core performance by using topology tree for distance calculations

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Fixed addLeadingSlash to support optional regex groups.

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Resolve middleware sort issues (core #14523).

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Fix core issue #14522 by allowing optional named wildcard groups.

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Fixed core bug (#14495) where global module middleware was not executed first.

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Node 16 and 18 are dropped (Node 20 required) and several breaking API changes are introduced (type‑narrowed @Inject tokens, removal of promise exports, plainToClass deprecated).

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Updated the Express dependency to version 4.21.2

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Added type declaration for the RawBody decorator with pipes.

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Fixed validation pipe to enforce string type in the common module

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Fixed platform socket.io and websockets issue ensuring non‑shared servers call close correctly.

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Fix core request context merging, websockets shutdown handling, enum validation fallback, transient lazy provider resolution, and gRPC client streaming bugs

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- Fixed microservices bugs: discarded RabbitMQ client options and prevented missing MQTT messages when QoS is set

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Upgrade Express to 4.2.1 and update @nestjs/platform‑express in several sample projects

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Updated runtime dependencies across core and platform packages (e.g., tslib to 2.7.0, light‑my‑request to 6.0, dset to 3.1.4, @apollo/gateway and @apollo/query‑planner to 2.9.0, webpack to 5.94.0, mongoose to 8.6).

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Fixed core bug where forward references in the exports array caused issues.

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Fixed a possible memory leak in core when using server‑side events and ensured logs auto‑flush on synchronous internal errors.

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Reverted a microservices fix that introduced redundant error emission and fixed a core reference chain issue.

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Fixed core middleware execution for root routes with a global prefix, corrected RabbitMQ assert handling, and repaired stacktrace regex parsing.

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Fixed several microservices bugs: RMQ nack handling, KafkaJS typings, inbox prefix passing, and missing SEARCH verb registration.

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Fixed unique hash generation for dynamic modules and corrected grpc client closing in microservices.

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Add Fastify route constraints and a decorator for invalid gRPC messages in microservices; improve core REPL options, prefer useFactory over useValue, and display module names in select‑module errors

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Fixed URL parsing error in the platform WS module (bugfix).

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Added a generic type for the transformed value in the decorators factory (core enhancement).

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Add strongly typed decorator factory and decorator‑based discovery to core, plus a new “fatal” log level in common utilities.

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Fixed missing completed field on settlement for improved tracking.

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Fixed various core, microservices, and common issues: provider imports in lazy modules, circular factory errors, gRPC client cancel support, FileValidator type correction, and ensured single application initialization.

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v10 introduces extensive new features: controller‑level middleware for versioned routes, global‑prefix handling with versioning, async‑local‑storage in interceptors, support for `multer.none`, `@Search` decorator, websocket pattern gette...

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Add TCP microservice over TLS and extend microservice event/message extras support

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Fixed false positive "value provider not registered" error in core when value is undefined.

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Fix cache TTL respect, correct Express listen type definition, filter nil results in WS, and add ParseArrayPipe test case;

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Fix core issue by removing xxhash and handle undefined stack in logger

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Fixed provider durability calculation bug.

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Fixed microservices Kafka emit issue and added graceful RabbitMQ reconnection on error.

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Add enhanced REPL '.help' command supporting NestJS functions and introduce graph inspector with preview mode

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Fixed cache handling and Fastify adapter registration issues.

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Add API version info to routes, introduce error options object and support custom validators for ParseFilePipeBuilder, and improve Express listen return type to Server.

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Added payload setting for durable trees in core and producer reference support in KafkaContext for microservices.

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Fixed microservice server termination logic and added guard against sending responses after destruction.

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Added configurable "maxConnectionAttempts" option to RabbitMQ microservices and hid URL logs

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Added support for passing options to nested async modules and a flag to disable LazyModuleLoader logs

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Fixed pipeline usage over stream.pipe and corrected raw body handling for urlencoded requests in Express/Fastify.

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Fixed CacheModule registerAsync bug.

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Added configurable module builder, durable providers, REPL enhancements, new file‑validator pipe, mandatory HttpServer.applyVersionFilter, and error‑chaining for HttpException.

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Expose base context on the main package for microservices (new feature).

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Fixed scoped injection handling for symbol field names in core.

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Fixed microservices issue with multiple RabbitMQ client URLs (bugfix).

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Fixed core middleware handling for routes without prefix and corrected context usage for nested transient providers.

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Core: added support for optional dependencies in factory providers and fixed container keys to use class references.

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Updated Babel monorepo and several TypeScript type definitions (e.g., @types/node, @types/bull).

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Core fixes: stream sink content handling, convert platform URIError to BadRequestException, and remove duplicate getClassScope function.

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Bumped numerous runtime and dev dependencies (e.g., fastify, express, socket.io, follow-redirects, @types/node) to newer patch versions.

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Fixed AMQP v4 incompatibility in microservices.

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Fixed core bugs: auto‑flush logs after useLogger, correct getInstanceName return, apply existing headers to SSE responses, and added observable stream error handling.

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Updated core dependencies including webpack, typeorm, @nestjs packages, jest types, and GraphQL libraries

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Updated a wide range of dependencies, including Fastify, Apollo GraphQL, Webpack, and TypeScript typings.

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Refactored built‑in logger with buffering, log‑level output and separate Logger wrapper class

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Added conditional cache TTL with async factories, Server‑Sent Events support, abortOnError option, and GrpcCall reference for microservices.

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Add microservice.dispose() for graceful shutdown

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Added introspect() method to ModuleRef and NestApplicationContext classes

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Added ApplicationConfig inheritance support for hybrid applications in the core module.

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Added automatic primitive transformation with ValidationPipe and new ParseArrayPipe/ParseBoolPipe.

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Added strong typing for custom decorators, static KEY property for SetMetadata decorators, and included tslib support

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Added transient inquirer injection to the core module.

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Added new decorators and utilities: class‑transformer `excludeExtraneousValues` flag, `applyDecorators`, `CacheTTL()`, `@Ip()` decorator, `getUrl()` method, and custom `createParamDecorator` support for websockets.

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Added new utility methods to the Reflector class and introduced RPC/WS decorators

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Added getType() methods to ExecutionContext and ArgumentsHost for runtime type inspection.

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Improve performance of distance calculation in core middleware

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Fixed core bug where middleware execution order was reversed

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Fixed core crash caused by circular dependencies that caused a maximum call stack size exceeded error.

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Improved developer experience with API docs, new log levels, @Redirect decorator, async NestModule.configure, beforeApplicationShutdown hook, and resolve() for scoped providers.

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Fix microservices pattern regression that broke serialization

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Removed invalid type references in microservices to resolve dependency issues

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Introduced AnyFilesInterceptor for the platform-express

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Added ApplicationConfig injectable and HttpArgumentsHost.getNext() to core

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Fixed missing `user` property in NatsOptions

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Fix invalid scope resolution during module re-export in core

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Added enableImplicitConversion to ValidationPipe, new ParseUUID pipe, and options for validating custom decorators; introduced init() method to the application context and useExisting provider support.

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Stripped prototype keys in ValidationPipe to avoid false positives.

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Fixed override factory provider issue in end‑to‑end (e2e) tests.

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Fixed core override and replace logic.

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Added customizable ExternalContextCreator with options for selecting enhancers (interceptors, guards, filters).

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Fix HttpException handling of the message property

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Added ability to set response headers and status code from interceptors/guards (core) and configure socketOptions for ClientRMQ and ServerRMQ (microservices).

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Fix Scope.REQUEST handling in microservices (issue #1886)

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Fixed ExternalExceptionFilterContext handling in core

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Fixed core handling of invalid proxy configuration

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Added platform extraction for Express, Fastify, Socket.io, and WS, plus HTTP request‑scoped and transient DI with new lifecycle hooks.

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Fixed ValidationPipe to return proper error responses

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Fix display of symbol in UnknownDependencyException in core

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Fixed Fastify middleware bug where query parameters broke wildcard handling

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Fixed core interceptor bug that caused requests to hang (issue #1536).

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Added support for array syntax in request mapping decorators (e.g., @Get([]), @Post([]))

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Add options support to ValidationPipe during transformation and support abstract classes in NestApplicationContext

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Add registerAsync to HttpModule and exceptionFactory option to ValidationPipe

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Fixed e2e test failures caused by an HTTP server reference issue.

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Updated Axios to the latest version.

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Fixed core DI token handling and corrected initial context arguments

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Fix default assignment handling in core dependency injection.

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Add CacheModule with caching mechanism, introduce ClassSerializerInterceptor and MulterModule, and extend ExternalContextCreator to support pipes

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Add global Axios configuration through HttpModule.register and support DynamicModule in NestFactory.create;

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Added FileFieldsInterceptor for multi‑file uploads and async dynamic module support, plus new MiddlewareBuilder capabilities (route exclusion and method‑specific RouteInfo)

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Added missing `forbidUnknownValues` property to ValidationPipe.

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Added async lifecycle hooks, Fastify adapter, and ability to bind global interceptors, pipes, filters, and guards from any module.

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Fixed File(s)Interceptor 500 error and Express REF injector issue in e2e tests

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Fixed File(s)Interceptor to correctly populate thrown exceptions.

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Fix logger override scope and ensure FileInterceptor handles a single options object

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Added numerous common utilities such as ValidationPipe and ParseIntPipe improvements, file upload interceptors (FileInterceptor, FilesInterceptor, @UploadedFile/@UploadedFiles) and an HttpModule with HttpService (axios integration).