We are keeping finger on the pulse and listen for the feedback of those upgraded to 8.0. Hence there is a bugfix update with the fix for most important reported issues (nothing seems critical, though) and last-minute fixes which did not fit into 8.0 release.
Full fixed issue list is available in our tracker.
Get it on the download page and upgrade! The build uses the same data format as 8.0, so you can even switch back to 8.0 after the upgrade to 8.0.1 if necessary.