From another thread -
2 links for shortcuts which report battery health on iPadOS.
Multitasking works - sort of - for more apps. If you use a shortcut which e.g. copies data to another app which processes them and then sends the processed data back - “classically” this can happen in splitview, or the apps involved will sequentially switch and run full view. Either way, you have to wait, because background processing is… shall we say “special” (?) on iPadOS 😀
In Stage Manager each app runs in a window and - if you’re lucky¹ - nicely in the background while you surf the web, edit photos, whatever.
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¹ persistent background multitasking is for whatever reasons not generally available. Whether it’s restrictions on particular framework access, general design considerations, developer waiting to update, I do not know… well, probably all of it and more. E.g. image processing in non-Apple apps is often paused or stopped in the background; or if you connect via a web interface to e.g. some online programming/data processing/document setting-site, even in Safari, these processes will often pause or even stop in the background. This improves quite a bit in Stage Manager.
Stage Manager does not help with other intricacies of iPadOS which might or might not impact on a personal workflow: Apple’s Files for example has far broader access to the accessible part of the iPadOS file system then e.g. FileBrowser or File Explorer; or if you “delete” images in e.g. Photomator, RAW Power, etc. they are moved to the “Recently deleted”-folder - which is only accessible from within Apple’s Photos; Shortcuts allows only access to root settings via the URL-scheme; ² ; this list could go on and on. There are probably well thought out arguments for these - IMHO - group of annoyances which are the reason that iPadOS feels slower when doing certain things. Obviously YMMV.
² not to mention the restrictive waste land that is programming, compiling and deploying apps on iPadOS.