1.39.10

What's Changed

Enhancements

• users: log warning if attempting to sync from same input file as output by @itzg in #462
• cf-files: improve the logging of missing dependencies especially optional ones by @itzg in #464

Bug Fixes

• cf: log warning rather than failing when unknown file hash algo by @itzg in #459

Full Changelog: 1.39.9...1.39.10