Created attachment 386321 [details] testcase Attached testcase shows that margins seem to collapse with enclosing <foreignObject>.
Created attachment 460984 [details] Safari 15.5 differs from other browsers I am able to reproduce this bug using attached test case in Safari 15.5 on macOS 12.4. Please refer to attached screenshot for other browser reference. Thanks!
<rdar://problem/97208795>
*** This bug has been marked as a duplicate of bug 23963 ***