I thought you might be interested in looking at Can 1.90 clients play on 1.88 servers?.
https://forums.bohemia.net/forums/topic/20929-can-190-clients-play-on-188-servers/?do=findComment&comment=231684
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.