You might not want to install iOS 10.3.3 public beta 3 on the 10.5-inch iPad Pro
With every beta version of an operating system, there are going to be bugs to work out. That's why they are betas. People can report bugs so software engineers can squash them before they go out officially. It appears that iOS 10.3.3 public beta 3 has a fairly large bug that might seriously disrupt your productivity on the 10.5-inch iPad Pro. Split View and Slide Over don't seem to work properly in this version.
It came to our attention in the iMore forums that Split View multitasking isn't working for some beta testers on iOS 10.3.3 public beta 3. It seems that only built-in apps are appearing in the Slide Over panel, while third-party apps are missing entirely. Additionally, if you're using a third-party app that traditionally supports Split-View, you won't be able to trigger the feature, even with built-in apps.
This appears to be a very specific issue relating to iOS 10.3.3 public beta 3 and the 10.5-inch iPad Pro. Commenters in the forums have noted that there is no problem running Slide Over or Split View with third-party apps on the 9.7-inch iPad Pro, the iPad Air, and others. There is also no issue running the official version of iOS 10.3.2 on the 10.5-inch iPad Pro.
As a reminder, it's important to make an archived backup of your device before installing a beta so that, if you want to revert back to a previous version, you can install the archive and remove the update.
How to downgrade your iPhone or iPad from an iOS beta
If you've come across this bug in iOS 10.3.3 public beta 3 on the 10.5-inch iPad Pro, or on any beta version using any device, please make sure to submit a bug report so Apple knows of it's existence and can squash it.
How to submit a bug report for a beta
Have you come across this issue? Let us know what happened. If you've installed the iOS 10.3.3. public beta 3 on a 10.5-inch iPad Pro and don't see this bug, let us know, too.
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Lory is a renaissance woman, writing news, reviews, and how-to guides for iMore. She also fancies herself a bit of a rock star in her town and spends too much time reading comic books. If she's not typing away at her keyboard, you can probably find her at Disneyland or watching Star Wars (or both).
Too lazy to downgrade from public beta to main release. I'll ride this out until apple fixes in the next update.
I can confirm the glitch as described on the 10.5 iPad Pro running the latest public beta...
I made the mistake up loading the IOS 11 beta on my 10.5 iPad Pro. Too buggy for me, so I downgraded to the 10.3.3 beta, but now after reading your article, I went and tried to find 10.3.2 to downgrade further to, but there is no version of 10.3.2 for the 10.5 that I can find in Apple's developer downloads section. Can you help?
When the 4th Beta of iOS 10.3.3 became available, I was quick to upgrade to avoid this crippling bug. However, to my disappointment and surprise, this major bug is still there! It's still only Apple apps that can be seen in slideover and used in split-screen multi-tasking. This is Apple's latest current operating system software and Apple's latest flagship hardware device, and yet they don't work together. What are their test team doing in there?