lebensterben

you need to update all your packages first before loading any user inti file to isolate other issues.

the root cause of the error is that define-obsolete-variable-alias now requires four arguments instead of three (and one optional argument). so outdated packages may use wrong calling conventions.

I don’t think there’s a better way.

at least emacs needs two threads, one for rendering interface and one for the lisp interpreter. this isn’t the multi threading some people hope for but this is much easier to implement and at face level it hides freezes.