In short

Translations: the strings still in English are written in 33
more languages, Sardinian is Sardinian instead of Italian and Moroccan
Arabic is Darija instead of Persian. Dependabot's updates of mailparser,
isomorphic-git, pdfjs-dist and the S3 libraries are checked and kept,
with the S3 client brought to the version the upload library needs.

Thanks to above GitHub users for their contributions.

More details at ChangeLog