V0 Not Updating

Same issue here. And nothing has worked so far including "starting over" with a zip file. It's as if there's a setting that somehow stopped the save function without any browser...

I cannot manually make changes and save my code in v0

Is there a fix? I see that this has been an issue for several other people and now I've been stuck for 3 days unable to SAVE changes made to my code files. The tech from support...