Bug Fixes
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#12234 Resolved compatibility issues with Open Telemetry configurations defined in
emqx.conf
from versions before EMQX 5.4.0, ensuring smooth integration of legacy configurations with the latest EMQX release. -
#12236 Fixed client ID generation in MQTT broker data integration to comply with MQTT 3.1 specification of 23-byte limit. Client ID is now prefixed with user-assigned connector name, followed by the first 8 bytes of node name's SHA hash and pool member ID. If the resulting ID exceeds 23 bytes, additional SHA hash and truncation are applied to ensure compliance.
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#12238 Resolved compatibility issue with the error format configurations introduced in the HTTP Action feature of EMQX version 5.3.2.
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#12246 Stopped exposing port 11883 by default in Docker and removed it from Helm charts, as this port is no longer in use.
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#12249 Fixed an issue in the
/configs
API where attempting to modify a read-only configuration value resulted in a garbled response message. -
#12264 Fixed an issue where version 5.4 replica nodes could not join clusters with core nodes running versions earlier than 5.4 during the rolling upgrade process.