release-notes/4.1.7.md
RabbitMQ 4.1.7 is a maintenance release in the 4.1.x release series.
It is strongly recommended that you read 4.1.0 release notes
in detail if upgrading from a version prior to 4.1.0.
RabbitMQ and Erlang/OTP Compatibility Matrix has more details on Erlang version requirements for RabbitMQ.
Nodes will fail to start on older Erlang releases.
Release notes can be found on GitHub at rabbitmq-server/release-notes.
Stream replication: IP address family (IPv4 or IPv6) can now be configured via rabbitmq.conf.
GitHub issue: #15013
GET /api/deprecated-features/used no longer returns an empty state field.
GitHub issue: #15059
Feature flag icons now contrast well when the dark mode is used in the UI.
GitHub issue: #15070
The plugin now supports the mqttv3.1 WebSocket subprotocol in addition to mqtt,
improving compatibility with older MQTT clients.
GitHub issue: #15010
The plugin now uses IPv6 discovery endpoints in IPv6-only environments.
GitHub issue: #14987
Trace files served via the management UI now include proper UTF-8 charset specification.
GitHub issue: #14972