v0.14.51-rc.3

Bugfixes:

• #2370: Scanning and deletes should be processed even when above the free space limit
• #5078: panic: nil pointer dereference when unpausing folders
• #5117: cmd/stdiscosrv: Not enough traffic breaks replication between discovery servers
• #5125: Symlinks marked as removed on windows
• #5127: Parent directories of unignored files keep being included and immediately ignored again
• #5131: Progress updates are ignored for send only folders
• #5151: cmd/stdiscosrv: Should not allow localhost addresses
• #5180: Docker image fails when PGID set to existing group
• #5183: panic: bug: Notify backend is processing a change outside of the filesystem root

Enhancements:

• #2291: Permanently notify about initial connection requests
• #4782: Reduce unnecessary syncing / database traversal
• #5163: GUI authentication using LDAP

Other issues:

• #4758: Suture services should not survive panics
• #5110: Run folder tests in temporary directories