Is this the behavior you're describing? (Read down to the third post): http://lilypond.1069038.n5.nabble.com/2-21-4-released-td235007.html
--- Knute Snortum (via Gmail) On Wed, Jul 29, 2020 at 10:54 AM Jenifer Tribe <jonathan_tr...@hotmail.com> wrote: > I moved from 2.18.2 to 2.21 and noticed that the process of creating > temporary files before converting to pdf was now visible (? just slower). > I have now moved back to 2.20, and it creates the first tmp file and pdf > from the run, but then stalls, possibly can't delete the file. > > I'm using it under Windows 10 > >