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Release notes

Latest Release: 4.2.2
Date: 16/12/2025

New Features​

Security and Access Control​

  • PKI Encryption and Signing Support Introduced PKI-based encryption and digital signing for secure message exchange. Includes support for importing key pairs and configuring default keystore settings. This enables enterprise-grade integrity, confidentiality, and simplified key management.

  • Message API Access Control Added configurable authentication for /api/v3/message/queue, /api/v4/message/queue/{name}, and /api/v4/message/queue/bulk/{name}. Enforces user and queue-level validation via a system property (authenticate-queue).

  • Mongo API Access Control Added configurable authentication for the /api/v4/mongo endpoint. Set the authenticate-mongodb property to define how users and API keys are validated when accessing collections.

Low-Code and Workflow Enhancements​

  • Configuration-based Workflows (No-Code) Introduces internal plugins (Endpoint, Message Mapper, Switch, Timer, Feedback, etc.) that allow building integrations entirely via configuration. This accelerates development by reducing dependency on custom coding.
  • NextHop Routing Introduced a "Next Hop" setting in generic plugins for direct, synchronous message routing. This reduces latency by bypassing intermediate queues.
  • Advanced Mapping Functions New functions in the Mapping Editor for advanced transformation:
  • Enhanced Groovy Capabilities Expanded low-code access to endpoint configurations and variable substitution. Improved logging now includes accurate file/line numbers and better error visibility via the ErrorRegistry.

System and UI Improvements​

  • Improved Backup and System Handling Enhanced functionality for automatic and manual snapshots of system state (config, logs, audit, plugins). Supports configurable storage locations, retention limits, and high-performance MongoDB streaming exports.
  • Show Messages Dialog Enhancements The "Show Messages" section now allows for deep inspection, testing, and reprocessing. Messages can be filtered by Plugin or Message Type for easier debugging.
  • Usability Enhancements Application instance names now appear in the browser title, password fields behave consistently, and long text is truncated where needed.

Known Issues​

Groovy option.rest and REST mappings don’t respect truststore certificate chain when a proxy is configured. Workaround: Use option.http

Bug Fixes​

  • Messaging: Fixed retry functionality during the send phase and resolved race conditions/NPEs in memory queues.
  • Security: Sensitive password values are now hidden; 'false' is no longer a valid auth value (defaults to basic).
  • Performance: Optimized audit queries and improved content decompression logic.
  • Reliability: Upgrading plugins no longer overwrites custom settings; ensured queues are declared before publishing on restart.
  • Mapping: Fixed attachment mapping issues and log error message formatting.
  • Metrics: Labeled Prometheus metrics consistently as "1Gateway".