Blank white screen when I open Messenger after the update, nothing loads

Not the answer you want to hear, but sometimes it really is just their servers.

Can confirm the top answer, worked on my end too.

Try clearing the cache before you nuke the install. If that fails, roll back to the previous version by uninstalling updates (Settings, Apps, Messenger, three dots, Uninstall updates), use it a day, then update again once they patch it.

White screen after an update usually means a half-broken rollout. Give it 24 hours, they normally push a hotfix. In the meantime the browser version at messenger.com works fine.

Same here, glad someone finally asked this one.

Honestly wish the app made this more obvious. Thanks for the walkthrough.