Here's the first hot fix for multiplayer. 

Arma Reforger 0.9.5.44 Xbox changelog:

• Fixed: The respawn menu could cause several characters to be spawned

• Fixed: Camera collision in 3rd person view

• Fixed: Kicking players out of a session when replication restreams static items in a streamable hierarchy

• Fixed: Crash during replication caused by items inserted during loading

• Fixed: Some AI pathfinding issues in the Game Master scenario

• Fixed: Script compiler causing a vector out of index crash

• Fixed: Texture memory leak and possible crash when deallocating

Later today we will also update the Steam version of the game. The downtime of these servers will be between 16:00 - 19:00 CEST.

Arma Reforger 0.9.5.49 Steam changelog:

• Fixed: Connection issue related to initial backend packets

• Fixed: Crash when backpacks are stored inside each other

• Fixed: Character stuck in a falling animation

• Fixed: Multiplayer kicks caused by streaming of certain nodes

• Fixed: Loading/saving settings

• Fixed: Services for addon publishing linked to Workbench

• Fixed: Alpha blending on the M923A1 truck and several other asset materials

• Fixed: Server browser - items were hidden, filtered

• Fixed: Respawn selection menu

• Fixed: Fire mode not being animated on certain weapons

• Tweaked: Main menu music

• Tweaked: Bohemia account processing on different platforms

• Tweaked: License and readme files