anchor-positioning - support for anchoring on transformed elements

[stof]

What type of issue is this?

Missing compatibility data

What information was incorrect, unhelpful, or incomplete?

The CSS working group changed the spec to take transforms into account when resolving anchor positioning: https://github.com/w3c/csswg-drafts/issues/8584#issuecomment-3109444615

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

It would be great to have a subfeature of anchor positioning to document this support (currently supported only in Chrome 144+ AFAICT)

Did you test this? If so, how?

I discovered this in https://www.bram.us/2025/11/20/anchor-positioning-is-transform-aware-in-chrome-144/ announcing the support in Chrome 144+.

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

No response

Do you have anything more you want to share?

No response

MDN URL

No response

MDN metadata

No response