I think the root issue in that we are committing CSS on all children. We've yet to come up with a more efficient way of computing the outline of an element but we're open to ideas. Potentially we could drop the shields and only compute outlines on focus. I believe we only need the shields for IE which doesn't respect contenteditable=false. On 15 May 2014 23:58, "Jon Robson" <[email protected]> wrote:
> I'm still waiting for Kaldari or someone in mobile to merge > https://gerrit.wikimedia.org/r/131892 before I can confirm the current > state. > > It definitely seems to be marginally improved on desktop and mobile > (with desktop benefiting most) after a few runs. > > For the record the nasty page I'm testing on is > > http://en.m.wikipedia.beta.wmflabs.org/wiki/Jon%27s_nasty_VE_test_page?mobileaction=alpha > > On Thu, May 15, 2014 at 7:44 PM, Roan Kattouw <[email protected]> > wrote: > > On May 15, 2014 10:27 AM, "Roan Kattouw" <[email protected]> wrote: > >> Ed has been fixing some things to do with shields and phantoms. I'll > send > >> you some Gerrit links in a minute. > >> > > https://gerrit.wikimedia.org/r/#/c/133236/ > > > > https://gerrit.wikimedia.org/r/#/c/130823/ > > > > The former should address the importNode problem Jon mentioned and the > > latter should improve CSS performance, as it addresses something similar > to > > a problem in MF that Jon reported. > > > > As James said, new performance feedback after these changes (though in > > fairness one of them was merged only this week) would be helpful. We > think > > we've quashed most of the things Jon flagged initially, but we may not > have > > done so adequately or new problems may now be surfacing. > > > > Roan >
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