2.5.4 v12.0.2

high risk

nestjs/nestSep 11, 2026 โ†’ Sep 14, 20263 days between releases

What's New

Major version jump from 2.x to 12.x with microservice and WebSocket fixes

New Features

  • Added maxConnectionAttempts configuration option to ServerMqtt

Improvements

  • Updated Fastify dependency to version 5.12.4

Bug Fixes

  • Fixed socket.io and websocket message streams when handlers throw exceptions
  • Fixed microservice signal listeners and MQTT callback execution issues
  • Fixed common utilities like normalizePath and ParseArrayPipe

Upgrade Notes

Upgrading from 2.5.4 to 12.0.2 involves a major version jump that likely introduces breaking changes not explicitly listed in this release notes. Review the official migration guide for breaking changes between versions 2 and 12. Pay special attention to microservice and WebSocket configuration changes.

The Two Releases

2.5.4

2.5.4

Sep 11, 2026ยท 1 month ago

This release introduces Signalgrid and Notify! as new notification providers, along with an SFTP monitor type. It includes security updates to jsonata and fixes for the real-browser module and iOS PWA icons.

Full release notes
v12.0.2

v12.0.2

Sep 14, 2026ยท 1 month ago

A patch release focusing on bug fixes across microservices, websockets, and common utilities, along with dependency updates for the Fastify platform.

Full release notes