ThingsBoard IoT Gateway v3.8.3

🛠 Improvements

⚙️ Core:

• Updated submodule and MQTT Client SDK version (#2089) @samson0v
• pkg_resources deprecated in setuptools 82.0.0 (#2068) @cpavot

🧩 FTP connector:

• Added overridable pre/post file processing hooks (#2066) @cpavot

🧩 Request connector:

• Added option to read basic auth credentials from ENV variables (#2090) @maghibus

🐛 Bug fixes

🐛 Core:

• Fixed TLS initialization on non-TLS MQTT ports (#2067) @iamkaran
• Fixed SQLite duplicate telemetry race condition (#2099) @lucas-souza-enerlab
• Corrected rate limiting configuration key names (#2087) @apachler
• Added rust toolchain default host for unsupported platform in Dockerfile (#2075) @samson0v

🐛 MQTT connector:

• Fixed escaping regex metacharacters for topics (#2085) @tijn-hedgehog
• Fixed incorrect regex grouping logic (#2070) @Andry925

🐛 Modbus connector:

• Fixed telemetry datapoints grouping (#2110) @samson0v

🐛 OPC-UA connector:

• Fixed OPC-UA node type mismatch error (#2109) @Andry925

🐛 BACnet connector:

• Fixed telemetry datapoints grouping (#2108) @samson0v

🐛 Request connector:

• Fixed remote converter logs (#2106) @Andry925
• Added null handling and unit tests for placeholder combinations (#2095) @Andry925
• Fixed incorrect RPC handling (#2082) @Andry925
• Fixed error with incorrect request placeholder (#2083) @Andry925

🐛 REST connector:

• Fixed error with remote logging (#2088) @Andry925
• Fixed string conversion for downlink messages of type JSON (#2081) @Andry925