213376 2020-06-19 07:40:58 -0700 [Web Animations] REGRESSION: Bootstrap Carousel component v4.1 regressed with Web Animations 2020-06-29 22:56:58 -0700 1 1 1 Unclassified WebKit Animations Safari Technology Preview Unspecified Unspecified RESOLVED FIXED https://getbootstrap.com/docs/4.1/components/carousel/#with-captions InRadar P2 Normal --- 1 graouts graouts dino graouts webkit-bug-importer oldest_to_newest 1664352 0 graouts 2020-06-19 07:40:58 -0700 If I go to https://getbootstrap.com/docs/4.1/components/carousel/#with-captions and click the right arrow on the carousel, the animation from slide 1 to slide 2 partially restarts upon completion. Disabling Web Animations no longer reproduces this issue, although there are other flashing issues. This was originally reported on a Bootstrap GitHub thread https://github.com/twbs/bootstrap/issues/31038. 1664353 1 webkit-bug-importer 2020-06-19 07:41:27 -0700 <rdar://problem/64531242> 1666055 2 graouts 2020-06-25 08:47:34 -0700 Clicking on the right arrow triggers two transitions: CSSTransition for transform going from none to matrix(1, 0, 0, 1, -1237.5, 0) running for 600ms on <div class="carousel-item active carousel-item-left"> with progress = 0 CSSTransition for transform going from matrix(1, 0, 0, 1, 1237.5, 0) to matrix(1, 0, 0, 1, 0, 0) running for 600ms on <div class="carousel-item carousel-item-next carousel-item-left"> with progress = 0 Then upon completion, around 600ms later, this transition is triggered: CSSTransition for transform going from matrix(1, 0, 0, 1, 1237.5, 0) to none running for 600ms on <div class="carousel-item active"> with progress = 0 The first two transitions are created by the first CSSTransition::create() statement under AnimationTimeline::updateCSSTransitionsForElementAndProperty(), whereas the third one, which should not happen, is triggered by the third CSSTransition::create() statement. 1666062 3 graouts 2020-06-25 09:20:33 -0700 We end up comparing two TransformOperations, one which has no operations, and one which has one but has x=0 and y=0. But TransformOperations::operator== returns false because there is size check first which returns false if they differ. We should teach TransformOperations to check for an identity transform here in case one of the lengths is 0. 1667245 4 403105 graouts 2020-06-29 13:25:02 -0700 Created attachment 403105 Patch 1667480 5 ews-feeder 2020-06-29 22:56:58 -0700 Committed r263729: <https://trac.webkit.org/changeset/263729> All reviewed patches have been landed. Closing bug and clearing flags on attachment 403105. 403105 2020-06-29 13:25:02 -0700 2020-06-29 22:56:58 -0700 Patch bug-213376-20200629222457.patch text/plain 14173 graouts U3VidmVyc2lvbiBSZXZpc2lvbjogMjYzNjQzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOWZlYzIxNjc5Y2U3OTAz NTgwNWI4MmZkNjhhNTQzMzFiOWVlNWVlZS4uZjNkMjk1ZDVjZWZlYzMwNzBmZDFiYTljMzM2NDhj MTkxY2Y4OTk1OCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDQ5IEBACisyMDIwLTA2LTI5ICBBbnRv aW5lIFF1aW50ICA8Z3Jhb3V0c0B3ZWJraXQub3JnPgorCisgICAgICAgIFtXZWIgQW5pbWF0aW9u c10gUkVHUkVTU0lPTjogQm9vdHN0cmFwIENhcm91c2VsIGNvbXBvbmVudCB2NC4xIHJlZ3Jlc3Nl ZCB3aXRoIFdlYiBBbmltYXRpb25zCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3No b3dfYnVnLmNnaT9pZD0yMTMzNzYKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzY0NTMxMjQyPgor CisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIEFuIG9sZGVy 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