211179 2020-04-29 06:08:58 -0700 REGRESSION: Double tap dispatches one click event on iOS 13.4 when it would dispatch two on iOS 13.3 2020-05-06 13:13:01 -0700 1 1 1 Unclassified WebKit UI Events WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=204664 https://codepen.io/juliogcampos/pen/BzdjwY InRadar P2 Normal --- 1 graouts wenson_hsieh bdakin graouts juwagn megan_gardner thorton webkit-bug-importer wenson_hsieh oldest_to_newest 1646963 0 graouts 2020-04-29 06:08:58 -0700 Filing this bug to track the discussion on React issue 17258 (https://github.com/facebook/react/issues/17258) and specifically comment https://github.com/facebook/react/issues/17258#issuecomment-620325096 which points to a CodePen (https://codepen.io/juliogcampos/pen/BzdjwY) showing an example where the behavior differs between iOS 13.3 and iOS 13.4. I tested this myself on iPhone 8. 1646964 1 webkit-bug-importer 2020-04-29 06:09:28 -0700 <rdar://problem/62594779> 1646968 2 graouts 2020-04-29 06:24:59 -0700 On iOS 13.1: two taps = one click event On iOS 13.3: two taps = two click events On iOS 13.4: two taps = one click event I believe the iOS 13.3 behavior is the correct one. This sounds like bug 202006 is back :( 1646981 3 graouts 2020-04-29 07:37:33 -0700 This regressed with r253267, the fix for bug 204664. 1647671 4 398127 wenson_hsieh 2020-04-30 17:28:10 -0700 Created attachment 398127 Patch 1647730 5 ews-feeder 2020-04-30 20:01:13 -0700 Committed r260979: <https://trac.webkit.org/changeset/260979> All reviewed patches have been landed. Closing bug and clearing flags on attachment 398127. 1649765 6 juwagn 2020-05-06 13:13:01 -0700 Hi, my bug on iOS 3.4.1 was marked as possible dupe of this one. However by me it is about touchstart/touchend events, or pointerdown/pointerup, where by fast two touches sequence only one event gets fired instead sequential two. Also it is not about click event but could be potentially handle same point. 398127 2020-04-30 17:28:10 -0700 2020-04-30 20:01:13 -0700 Patch bug-211179-20200430172809.patch text/plain 12088 wenson_hsieh U3VidmVyc2lvbiBSZXZpc2lvbjogMjYwOTUxCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDQxNWUyYmExOTllZThkZjJl YmY3MTJhOGU2YmE1NzIwNzRmZmI4OWIuLmExMmQyYTFhYjJhMmNlYTU4NGI5ZDBjYzIxYTNhYWRi ODU4ZjgxYTkgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsNDggQEAKKzIwMjAtMDQtMzAgIFdlbnNvbiBI c2llaCAgPHdlbnNvbl9oc2llaEBhcHBsZS5jb20+CisKKyAgICAgICAgUkVHUkVTU0lPTjogRG91 YmxlIHRhcCBkaXNwYXRjaGVzIG9uZSBjbGljayBldmVudCBvbiBpT1MgMTMuNCB3aGVuIGl0IHdv dWxkIGRpc3BhdGNoIHR3byBvbiBpT1MgMTMuMworICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0 Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjExMTc5CisgICAgICAgIDxyZGFyOi8vcHJvYmxlbS82MjU5 NDc3OT4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBo 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