- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Wed, 27 Apr 2016 16:23:19 -0700
- To: Brian Birtles <bbirtles@mozilla.com>
- Cc: Simon Fraser <smfr@me.com>, "www-style@w3.org list" <www-style@w3.org>
On Wed, Apr 27, 2016 at 4:16 PM, Brian Birtles <bbirtles@mozilla.com> wrote: > On 2016/04/27 13:49, Brian Birtles wrote: >> I've noticed that IE and Edge appear to do this already.[2] Their >> behavior also differs in the test case Simon provided.[3] >> >> Since IE and Edge already do this, WebKit seems interested, and it would >> seem to provide performance advantages, any chance we could revisit this? > > I should also mention that CSS Transitions create a stacking context during > the delay phase in at least Blink, Gecko, Edge, and IE. Sigh, all right. In that case, let's specify that, when an animation/transition is active, the UA must act as if 'will-change' additionally includes all the properties involved. That answers all the questions about how this should act, since it's already been answered once. ~TJ
Received on Wednesday, 27 April 2016 23:24:06 UTC