@nestjs/testing 12.1.1 on Node.js NPM

v12.1.1 (2026-09-28)

common, core, microservices, testing
- #17893 fix(common): logger bugs in json output, level changes, fatal and buffered logs (@kamilmysliwiec)
microservices
- #17891 fix(microservices): let the mqtt client retry after a failed connect (@hktitof)
- #17888 fix(microservices): keep tcp event listeners across reconnects (@KAPUIST)
- #17887 fix(microservices): ignore events from a replaced tcp client socket (@KAPUIST)
- #17878 fix(microservices): keep a newer nats connection when a stale one fails (@hktitof)
- #17869 fix(microservices): keep a newer kafka connection when a stale one fails (@kamilmysliwiec)
- #17865 fix(microservices): let the rmq client retry after a failed connect (@hktitof)
- #17866 fix(microservices): reply on the request channel when redis wildcards are enabled (@fadiroot)
- #17861 fix(microservices): recover the nats client after it gives up reconnecting (@xia-chao)
common
- #17884 fix(common): preserve string enum values matching numeric member names (@KAPUIST)
core
- #17871 fix(core): detect circular dependencies across more than two providers (@erezcor)
platform-fastify
- #17867 fix(fastify): treat a JSON content type with parameters as JSON in reply() (@fadiroot)
core, testing
- #17860 fix(core): honor class and factory overrides of value providers (@lehafari)

common
- #17876 fix(common): reject non-numeric items in ParseArrayPipe with items Number (@SulimanAbdulrazzaq)
microservices
- #17863 feat(microservices): export deserializers from the package root (@lazerg)