[css-2025][css-images-4] Add `conic-gradient()` and `<color-interpolation-method>` for gradient functions to Safe to Release exceptions

[SebastianZ]

Splitting the discussion from #10687 for adding conic-gradient() and <color-interpolation-method> for gradient functions from CSS Images 4 to the Safe to Release pre-CR Exceptions section of the CSS Snapshot 2025.

Data to consider:

• Spec. status: WD (last published: 17 February 2023)
• Implemented in all major browsers
• WPT: passing tests: Chrome: 2512, Edge: 2618, Firefox: 2825, Safari: 2874; interop: 2435 / 2948 (82.6%)
• Open issues: on GitHub: ~9, in spec.: 3

Summary: High interoperability, some open issues

Sebastian

[css-meeting-bot]

The CSS Working Group just discussed [css-2025][css-images-4] Add `conic-gradient()` and `<color-interpolation-method>` for gradient functions to Safe to Release exceptions, and agreed to the following:

• RESOLVED: add conic-gradients and color-interopolation-method to safe to release

The full IRC log of that discussion

<ChrisL> q+
<florian> SebastianZ: interop is somewhat high, with 83%
<florian> SebastianZ: there are about 9 issues on github, plus 3 in the spec
<astearns> ack ChrisL
<florian> SebastianZ: given high interop and few open issues, I think it's ok for safe to release
<florian> ChrisL: conic gradients have been available for a while, the spec was lagging
<florian> ChrisL: color interoplation methods is widely implemented, except for the thing we resolved on 2 weeks ago
<florian> ChrisL: except for that, it seems good and should be in
<florian> astearns: I think we can put it in safe to release, even with that consideration, because it does seem safe
<ChrisL> +1
<florian> RESOLVED: add conic-gradients and color-interopolation-method to safe to release
<astearns> ack fantasai
<Zakim> fantasai, you wanted to comment on different topic