Error on MQTT device connection

Client used to connect, and connects just fine with Mosquito, MQTT explorer from same machine and user/pw combo connects to the Cirrus, packet below from the device to Cirrus

Using ver 4.0.31-SNAPSHOT (b2025072911)

HandlerThread 29Jul2025 11:32:41 Error while handling packet
undefined ----

java.lang.ArrayIndexOutOfBoundsException: arraycopy: last source index 7279 out of bounds for byte[59]at java.base/java.lang.System.arraycopy(Native Method)at com.cirruslink.chariot.mqtt.util.ControlPacketUtils.parseUTF8EncodedString(ControlPacketUtils.java:227)at com.cirruslink.chariot.mqtt.control.Connect.parseRemainingBytes(Connect.java:293)at com.cirruslink.chariot.server.core.PacketHandler.handlePacket(PacketHandler.java:235)at com.cirruslink.chariot.server.core.io.HandlerThread.run(HandlerThread.java:75)

DefaultConnectionListener 29Jul2025 11:32:41 New Client Session with id fab19980-5d9b-46d8-89f6-65b22108c440
DefaultConnectionListener 29Jul2025 11:32:41 Accepting an new connection
undefined ---- ----
AbstractConnectionListener 29Jul2025 11:32:41 [DEFAULT] Handling accept from channel, using selector worker DEFAULT-PooledSelectorWorker-9
undefined ---- ----
AcceptSelectorWorker 29Jul2025 11:32:41 [DEFAULT-MainSelectorWorker] Handling accept from socket channel
undefined ---- ----
ClientSessionUtils 29Jul2025 11:32:40 Writing PINGRESP to client with session ID 2918fc6d-6cfc-4003-bcd2-232064d648b6
undefined ---- ----
ClientSessionUtils 29Jul2025 11:32:40 Writing PINGRESP to client ME-0ab7cdbc-7105-4de7
undefined ---- ----
PacketHandler 29Jul2025 11:32:40 [2918fc6d-6cfc-4003-bcd2-232064d648b6, ME-0ab7cdbc-7105-4de7] Handling PING
undefined ---- ----
AbstractConnectionListener 29Jul2025 11:32:40 [DEFAULT] Connecting client timed out (25000ms)for: [2185afde-361f-4459-943a-addd0005a95b, /10.1.0.222]
undefined ---- ----
DefaultConnectionListener 29Jul2025 11:32:40 Forcefully closing SocketChannel for 2185afde-361f-4459-943a-addd0005a95b
undefined ---- ----

Chariot and MQTT Distributor do not support MQTT 5 yet. This is on our roadmap and should be available by the end of the year.