Pull out this can of dogfood now!
You packaged it with npm arm64, causing mailspring to crash at load, everytime I revert to a previous sane version, the autoupdate reloads the broken version once again, it’s a torture.
It’s bad, really really bad
I think that a number of folks are discovering this issue - I created a new thread here: Installation issue with MacOS Intel Version and I have listed a link that was shared with me that also talks about the problem. It has been around for a while 