Well it mostly works on 6.9 as well. Linux should work without any restrictions, but on Windows there were some IDA Qt changes that lead to some annoyances:
- Can't reopen BinDiff windows after they were closed
- Shortcuts don't work
Other than that the Windows version is functional.
UPDATE:
Linux is here: https://dl.google.com/dl/zynamics/bindiff410-debian7-amd64.d...