Normal that W-Workstation 9.6 downloads and installs the TBB alpha 4.5a?, rather than the current, regular TBB 4.03?
This is a fresh install, using the Whonix ‘Update Tor Browser’ (AnonDist) script/tool.
Edit by Patrick:
Changed title.
No, it’s a bug.
The version file (https://www.torproject.org/projects/torbrowser/RecommendedTBBVersions) format was changed (RecommendedTBBVersions does not advertise alpha versions anymore (#14739) · Issues · Legacy / Trac · GitLab), and there is no stable version of it (finalize RecommendedTBBVersions format (#14383) · Issues · Legacy / Trac · GitLab).
If you want to use the stable version, you have to use these instructions in meanwhile:
Blog post: