- [#12176](https://github.com/emqx/emqx/pull/12176) Always acknowledge `DISCONNECT` packet to MQTT-SN client regardless of whether the connection has been successfully established before.
- [#12180](https://github.com/emqx/emqx/pull/12180) Fix an issue where DTLS enabled MQTT-SN gateways could not be started, caused by incompatibility of default listener configuration with the DTLS implementation.
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+- [#12219](https://github.com/emqx/emqx/pull/12219) Fix file transfer S3 config secret deobfuscation issue while performing config updates from dashboard.