Assign a bunch of keys to CSS features #3517
Open
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
github-actions
bot
added
the
feature definition
ddbeck
force-pushed
the
assign-css-keys
branch
from
c97a2ac to
99de1bd
Compare
captainbrosset
approved these changes
Dec 4, 2025
Contributor
There was a problem hiding this comment.
This is making me realize that we have both outline and outlines.
Both are Baseline Widely Available. The only weird thing is that outline (the shorthand prop) is only Widely Available since September 2025. Looking at it in more details, I think that's because before Safari 16.4, the outline didn't follow the shape of border-radius, and that made it a partial implementation according to BCD before 16.4.
I think we should do an editorial override and consider the outline property to have been supported for much longer than that.
And we should also consider merging the 2 features.
Not blocking this PR.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This isn't comprehensive, but it assigns a lot of the longest-implemented CSS keys to features that already exist.
None of these modify headline statuses; these keys are from backfilling activity that happened in BCD recently. See mdn/browser-compat-data#28265