No, the problem is that in updating the downloader code, things didn’t get quite hooked up right to make the dialog disappear when it’s done.
I’ll go take care of that.
Yes, that was also reported: MMFF94 and GAFF Force Fields Do Not Work · Issue #2321 · OpenChemistry/avogadrolibs · GitHub
I don’t know why it can’t find the parameter files in this release when it worked in 1.101 though.