Right for fun of it, I tried one more experiment with the new v26_perspective image.

I installed the standard BMW release v26 by going back to v25 and then loading standard v26. By doing this I assumed all perspective features were removed.

I then went back (again) to v25 ....

Then I just loaded v26_perspective ... meaning no beta was loaded in the upgrade process. Sure enough, perspective view was selectable in split screen map view ....

So what did I learn by doing this ... well ... it appeared at least (in my case) that the v26.09a beta release is not required to enable perspective view using the V26_perspective image from Martin.

Hopefully you guys followed me :-)