- - Fixed core and plugin bugs including user password handling, consumer activity status, default queue type validation, stream frame assembly regression, MQTT listen options, and CORS hardening.
- - Added performance and usability enhancements such as per‑node channel limit enforcement for Shovel/Federation, parallel module loading on boot, encrypted configuration support for numerous plugins, concurrent stream metadata queries, a...
- - Updated key dependencies (cuttlefish, cowboy, cowlib, gun) and tightened security defaults (CORS validation, HSTS/CSP warnings, safe export filenames).
RabbitMQ 4.2.8
Official RabbitMQ changelog summary with source attribution, release tags, and community reactions.
Track this RabbitMQ release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this RabbitMQ release note into a weekly digest for the tools you actually use.
Create digestMore RabbitMQ changelog updates
Core fixes: quorum‑queue metrics/snapshot after upgrades, stricter and faster AMQP 1.0 parsing.
Minimum supported Erlang version upgraded to 27.0; Erlang/OTP 26 is now unsupported, causing nodes on older Erlang to fail to start (breaking change).
Minimum supported Erlang version upgraded to 27.0; nodes on older Erlang will refuse to start.