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[CSSWG][css-contain-1] REC of CSS Containment Module Level 1

From: Florian Rivoal <florian@rivoal.net>
Date: Thu, 21 Nov 2019 10:33:57 +0100
Message-Id: <1CD84DDB-F89A-4316-B231-85F1557A07CF@rivoal.net>
To: www-style list <www-style@w3.org>, public-review-announce@w3.org
The CSS WG has published the CSS Containment Module Level 1 as a W3C Recommendation

    https://www.w3.org/TR/css-contain-1/

This CSS module describes the contain property, which indicates that the element’s subtree is independent of the rest of the page. This enables heavy optimizations by user agents when used well.

This document is now a W3C Recommendation. As such, it has received the endorsement of W3C Members and the Director. W3C recommends the wide deployment of its Recommendations as standards for the Web. The W3C Royalty-Free IPR licenses granted under the W3C Patent Policy apply to W3C Recommendations.

Significant changes from earlier drafts are listed at:

  https://www.w3.org/TR/2019/REC-css-contain-1-20191121/#changes

Disposition of comments since the Proposed Recommendation:
  
  https://drafts.csswg.org/css-contain-1/issues-2019-10-pr
  
Implementation Report:
  
  https://drafts.csswg.org/css-contain-1/implementation-report-2019-09

If you find any error, please report them to this mailing list,
<www-style@w3.org>, prefixed with [css-contain-1] (as I did on this
message) or (preferably) file them in the GitHub repository at
  https://github.com/w3c/csswg-drafts/issues
and include [css-contain-1] in the title of the issue.

Further development will happen in the next level of this specification,
which is available at:

  https://www.w3.org/TR/css-contain-2/

To make comments about that draft, including suggestions for new features
or other refinements, write to this mailing list,
<www-style@w3.org>, prefixed with [css-contain-2]
message) or (preferably) file them in the GitHub repository at
  https://github.com/w3c/csswg-drafts/issues
and include [css-contain-2] in the title of the issue.

For the CSS WG,
—Florian Rivoal
Received on Thursday, 21 November 2019 09:33:42 UTC

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