Ensure that packages are installable

Update OpenProject image in openDesk

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

16.1 Release social media communication

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

16.1 Release PR communication: heise and more

Confirm packager build is working across all distributions

Create release teaser for 16.1

16.1 Website + Docs translations to FR/ES from Alconost

Present new 16.1 features and changes to OP Team