We are aware of an issue with the most recent release which is preventing players from being able to bookmark objects in space (such as wormholes). A fix is currently being prepared and we will give you further updates on this issue as the information becomes available.
Update 13:19: A client hotfix for this issue has been developed and is being prepared for deployment. We will let you know once this hotfix is going live.
Update 14:09: A hotfix for this issue has been deployed. Shut down and restart your clients and launcher to receive the fix.