🎉 Improvements

Disable title field by default in new registration forms (#4688, #4692)
Add gender-neutral "Mx" title (#4688, #4692)
Add contributions placeholder for emails (#4716, thanks @bpedersen2)
Show program codes in contribution list (#4713)
Display the target URL of link materials if the user can access them (#2599, #4718)
Show the revision number for all revisions in the Editing timeline (#4708)

🐛 Bugfixes

Only consider actual speakers in the "has registered speakers" contribution list filter (#4712, thanks @bpedersen2)
Correctly filter events in "Sync with your calendar" links (this fix only applies to newly generated links) (#4717)
Correctly grant access to attachments inside public sessions/contribs even if the event is more restricted (#4721)
Fix missing filename pattern check when suggesting files from Paper Peer Reviewing to submit for Editing (#4715)
Fix filename pattern check in Editing when a filename contains dots (#4715)
Require explicit admin override (or being whitelisted) to override blockings (#4706)
Clone custom abstract/contribution fields when cloning abstract settings (#4724, thanks @bpedersen2)
Fix error when rescheduling a survey that already has submissions (#4730)