copr-frontend

• added support for resetting fields in chroots over the API
• get-chroot - return modules as a list
• add a link to comps.xml documentation into the chroot edit form
• user-friendly error for devel stack(s) when there is a database problem
• optimize the SQL for the /pending/ routes a bit
• a new route /pending/all/ giving a rough stats
• cache the number of currently processed batches to speedup the overall web-UI
• speed-up the models.Batch related routes
• don't use redis as a middleman when updating hitcounter stats
• use standard backend auth for updating stats
• hitcounter: don't return 201 when there is an exception
• add API routes for editing module list in chroot

copr-backend

• copr_fix_gpg: automatically refresh CDN cache
• copr_fix_gpg: don't use --skip-stat for copr-repo when RPMs are re-signed
• action processor: properly return failures of the fork action
• sign EL8+ with sha256 hash algorithm
• copr_fix_gpg: add a new --chroot option
• copr_fix_gpg: skip non-chroot directories
• add hitcounter script for AWS CDN
• backend: tasks in concurrent sandboxes reprioritized to be more fair

copr-rpmbuild

• copr-distgit-client: document the configuration for the dist-git subpackage
• copr-distgit-client: add the centos-stream configuration
• copr-distgit-client: new --forked-from option that allows builds from (any) forks
• rpmbuild: support for remote refs in committish (PR#2049 and PR#2081)