This version was released on March 17, 2019. The original post came from the closed alpha discord.
Patch Notes: Closed Alpha 5.3, Bug Fixes. CL 95519
We just pushed an update that should allow you to play multiplayer again! It is still not possible to change the Session setting between Friends Only and Private, but invites are working again. If you want to play multiplayer, send an invite to your friends 😃