This update hotfixes the built-in EH downloader to correct issue #1101 - 0.9.3 isn't really ready for an external release but this issue impacts enough people that it's worth getting a quick patch out.
Look at the 0.9.20 release for a fuller changelog since 0.9.1.

Full Changelog: v.0.9.21...v.0.9.22

But if baffling and clunky on record, lines like “gasping for my resurrection” and “come straggling in your tattered remnants” came alive on tour, with Bowie playing a Satanic figure in his performance, coming across as an aging imp of the perverse.