https://www.w3.org/TR/css-contain-2/#content-visibility
Created attachment 451225 [details] Patch
This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess
Created attachment 451353 [details] Patch
Created attachment 451385 [details] Patch
Created attachment 451414 [details] Patch
<rdar://problem/88903730>
Created attachment 452356 [details] Patch
Created attachment 452368 [details] Patch
Created attachment 452880 [details] Patch
Created attachment 452899 [details] Patch
Created attachment 452962 [details] Patch
Created attachment 453086 [details] Patch
Created attachment 453091 [details] Patch
Created attachment 455179 [details] Patch
Hi, is there a timeline for supporting this feature? Thanks!