- Fixed multiple core bugs including virtual host deletion mis‑detections, permission checks for passive declarations, quorum queue dead‑letter routing, stream empty‑property frames, MQTT keepalive errors, management API 500 responses, and...
- Added new configuration options to cap maximum concurrent connections for streams, HTTP API, Prometheus, and MQTT, and introduced TLS cipher suite settings for LDAP, HTTP Auth, and trust store plugins.
- Upgraded several dependencies (ra, cuttlefish, cowboy, cowlib, gun) and renamed channel/connection max settings with backward‑compatible aliases.
RabbitMQ 4.2.7
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Core server bug fixes: duplicate direct‑reply deliveries, quorum queue recovery issues, malformed AMQP 1.0 frames, topic‑exchange wildcard limits, and OAuth proxy header handling.