1800955 - [css-contain][css-sizing] `content-visibility: auto` kinda broken by not using last remembered size with `contain: size`

Status: RESOLVED FIXED

(Core :: Layout, defect)

Description

[Mozilla Apprentice]

A resolution was made for csswg-drafts/#7807.

[css-contain][css-sizing] `content-visibility: auto` kinda broken by not using last remembered size with `contain: size`

• RESOLVED: Take second solution for this case. Update the last remembered size if element doesn't skip its contents.

Discussion.

Comment 1

[Daniel Holbert [:dholbert]]

(ni=Oriol who's doing work in this area & who filed the spec issue here; feel free to dupe/morph this bug as-appropriate, e.g. if this work is happening as part of some other broader bug.)

Comment 2

[Oriol Brufau [:Oriol]]

Attachment: Bug 1800955 - Update last remembered size when element is not skipping contents. r?emilio

Previously it was only updated when the element didn't have size
containment, but this could result in non-stable size when combining
'content-visibility: auto' and 'contain: size'.

This change is not yet observable in Firefox since the implementation of
'content-visibility: auto' is still ongoing.

The test should pass once 'content-visibility: auto' works.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2032cc4734aa
Update last remembered size when element is not skipping contents. r=emilio

Comment 4

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/37007 for changes under testing/web-platform/tests

Comment 5

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/2032cc4734aa

Comment 6

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot