That's BB4. What about BB4+?
I think it's the same, since it's still a WIP.
The changes mentioned by danbeaver are in the changelog:
Changes between V0.9u and V0.9v:
* Updated icon.library from 46.4.284 to 46.4.326
* Added Ram-Handler (PatchRAM version)
Changes between V0.9t and V0.9u:
* Fixed remaining startup-sequence issues.
* Removed extraneous vlink.device files.
Changes between V0.9s and V0.9t:
* Fixed some startup-sequence issues.
Changes between V0.9r and V0.9s:
* Updated icon.library from 46.4.270 to 46.4.284.