Aaron Krajeski

Worked for me as well! For clarity, the path on MacOS is now: `/Applications/Slack.app/Contents/Resources/app.asar.unpacked/src/static/ssb-interop.js`

> Do "we" have a philosophy here with regards to strongly discouraging mutation? Not as far as I'm concerned! Mutating things is fun! > I'm not sure why allowing after-construction...

I agree with @litherum. I felt a little odd writing up all the SVG filters into the doc. I have a hard time imagining the practical usage for the lighting...

I think the idea is precisely to provide a more user-friendly API for a feature that's already implemented but relatively hidden and difficult to use.

@jdashg Why are filters hard-to-optimize? Aren't they just shaders? What APIs would you want devs to use to accomplish this?

From https://drafts.csswg.org/css-color-5/#resolving-mix: > Otherwise (if currentColor was used in the function), the computed value is the color-mix() function with each parameter... Is `currentColor` the only issue? What about system colors...

> @svgeesus The specified value shouldn't resolve colors. `color-mix(blue, red)` should be `color-mix(blue, red)`, not `color-mix(rgb(0, 0, 255), rgb(255, 0, 0))`. @svgeesus Should we add some tests here to reflect...

> System colors are [already defined](http://w3c.github.io/csswg-drafts/css-color-4/#resolving-other-colors): > > > Each [``](http://w3c.github.io/csswg-drafts/css-color-4/#typedef-system-color) keyword computes to the corresponding color in its color space. However, such colors must not be altered by 'forced...

> > Should we add some tests here to reflect that? > > That would be great See: crrev.com/c/3945930

It seems like firefox nightly never eagerly evaluates the resulting color mix, input values are always returned as-is at specified value time. I'm beginning to think that the expectations in...