Apple sped up the animations before release, but for some they still felt too slow. Since iOS 8 didn't fundamentally change the animations curves, that perception has lingered. Recently, to highlight the difference between pre-iOS 7 and post-iOS 7 animations, Omni developer William Van Hecke made a video:
Van Hecke attributes the difference to a change in interruptibility — Springboard previously allowing you to act before an animation finishes versus now making you wait until the animation finishes before you can act.
It's my understanding, however, that iOS animations have never been interruptible. They simply ended quickly pre-iOS 7 and now, post-iOS7, they ease out.
Whether shorting the animation tails or making the animations interruptible is the best way to reverse the feeling and the perception of slowness Hecke refers to, I don't know enough to say. Either way, and to his credit, Van Hecke filed the issue with Apple's bug reporter:
More information on the animations from former UIKit engineer Andy Matuschak:
@fet (except the Springboard unlock animation—that one really was interruptible before). In short: "it's too hard!" Womp womp.@fet (except the Springboard unlock animation—that one really was interruptible before). In short: "it's too hard!" Womp womp.— Andy Matuschak (@andy_matuschak) March 3, 2015March 3, 2015
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.