relnote(Fx142): & inside at-scope blocks implicit specificity

[bsmth]

Description

Using & inside @scope changes according to spec updates

Explainer: https://css.oddbird.net/scope/parent-selector/

Bugs

• Change & behaviour inside @scope block as per spec resolution

Additional details

• Parent issue [CSS] Change & behaviour inside @scope block as per spec resolution #40481

[github-actions]

Preview URLs

• /en-US/docs/Mozilla/Firefox/Releases/142

External URLs (1)

URL: /en-US/docs/Mozilla/Firefox/Releases/142
Title: Firefox 142 for developers

• https://bugzil.la/1975531 (1 time) (Note! This may be a new URL 👀)

(comment last updated: 2025-08-21 07:33:22)

[github-actions]

This pull request has merge conflicts that must be resolved before it can be merged.

[dipikabh]

Thanks a lot! Added a few suggestions and questions and also a +1 :)

[dipikabh]

Do we also need an update to Firefox BCD for @scope?

[bsmth]

Do we also need an update to Firefox BCD for @scope?

I'm not sure, I think it might be worth adding something about it. Going to look at that next 👍🏻