Create 17.9.0 release teaser

Create and publish 17.9.0 release video

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

Update Glossary with new terms for 17.9.0

Confirm OpenProject image in openDesk updated

Release 17.9 PR communication: heise and more

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

Ensure that packages are installable

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

Website + Docs translations to FR/ES/PT from Alconost