213547 2020-06-24 00:57:26 -0700 Animation runs only for the first time 2020-06-24 13:07:09 -0700 1 1 1 Unclassified WebKit Animations Safari 13 iPhone / iPad iOS 13 RESOLVED DUPLICATE 207993 P2 Normal --- 1 tyls.alexandr webkit-unassigned dino graouts graouts jonlee oldest_to_newest 1665662 0 tyls.alexandr 2020-06-24 00:57:26 -0700 Spinner keyframes animation gets stuck after the first run. You can view the bug on this page: https://app.nabij.se/empty Click the button. The spinner should be rotating for 2.5s, but spins only when clicked for the first time. I have noticed that it could be related to the Web Animations API. If I go to the Safari settings -> Advanced -> Experimental features and turn off "CSS Animations via Web Animations" or "Web animations" then it runs every time. I was not able to create an isolated test case, it happens only inside my app. I did not figure out what is affecting it. Encountered on iPhone 8, iOS 13.5.1 and also Chrome for iOS Used frameworks and libraries: Vue.js 2.6.11, Bulma 0.9.0 1665740 1 jonlee 2020-06-24 08:22:00 -0700 Have you tried the latest iOS 14 beta? It appears to work for me. 1665772 2 graouts 2020-06-24 09:44:07 -0700 Thanks for your bug report! This bug has already been fixed (bug 207993) and you can see this in a recent Safari Technology Preview on macOS or the iOS 14 beta. *** This bug has been marked as a duplicate of bug 207993 *** 1665840 3 tyls.alexandr 2020-06-24 13:07:09 -0700 Thanks for the quick reply! And sorry for the duplicate, I missed the other one.