261126 2023-09-04 16:44:18 -0700 Web Inspector: about:blank page in Timelines shows a never ending spinning wheel 2024-04-04 19:07:02 -0700 1 1 1 Unclassified WebKit Web Inspector Safari 17 All All NEW https://bugs.webkit.org/show_bug.cgi?id=272172 InRadar P2 Normal --- 1 karlcow webkit-unassigned frances_c inspector-bugzilla-changes webkit-bug-importer oldest_to_newest 1975426 0 karlcow 2023-09-04 16:44:18 -0700 1. With STP 177 on a MacBook 2. Open Web Inspector - Timelines (Set to start and stop automatically on page loading) 3. Type about:blank in the URL bar 4. The timeline starts recording and eventually stops after two seconds Result: In the overview section (bottom area of the Timeline tool), the first line is about about:blank There is a spinning wheel during the loading process. This wheel stops for normal pages once the loading has been completed. For about:blank it never stops, like if it didn't receive the right event to make the decision to stop. 1975427 1 webkit-bug-importer 2023-09-04 16:44:25 -0700 <rdar://problem/114952283> 1977536 2 frances_c 2023-09-14 11:27:50 -0700 I can reproduce this bug in mini browser and STP 177. I am working on a fix.