Confirm packager build is working across all distributions

Create release teaser for 17.3

Create and publish 17.3 release videos

Identify new Enterprise add-ons for the release (if relevant)

Update Glossary with new terms for 17.3

Update OpenProject image in openDesk

Release PR communication for 17.3: heise and more

17.3 Release image for blog post and newsletter, incl. feature image

Ensure that packages are installable

Monitor AppSignal (stage/edge/community) for reported bugs