This works for me on iOS 11 Public Beta 2, 1st gen iPad Pro 12.9
If I have Split View active and try to open an app in Slide Over, both Split View apps get grayed out. But using the method above (full screen app, then Slide Over, then add Split View from the dock) all three apps remain active.
Ha! And it’s not even “just failed to dim” bug. I just tried it and scrolled Files, Messages and Safari at the same time on a 9.7” Pro
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GUYS, here’s a bug to allow all 3 apps functioning at the same time on the original iPad Pro 12.9”:
1) Have one full screen app opened
2) Choose an app to hover over the main app via Slide Over
3) Summon the dock and pull an app to one of the edges to snap the app, it’ll look like the Slide Over app will disappear but worry not
4) There you have it, all 3 apps working simultaneously and just the Slide Over app.
Fact #1: When doing step 3, if you snap the app to the left side, you won’t be able to switch the split view apps around
Fact #2: If you snap the app to the right, moving that window or adjust the size of the app to 50/50 will cause the entire screen to dim black, and you’ll be back to being only to use the Slide Over app.
Well... it looks like all 3 apps can run simultaneously on the original iPad Pro 12.9”, fingers crossed that this is just a bug because my iPad works fine with it
Nice find.