311185 2026-03-31 07:19:11 -0700 SVG tspan positioning bug with xml:space="preserve" 2026-03-31 17:26:17 -0700 1 1 1 Unclassified WebKit SVG WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://github.com/web-platform-tests/wpt/pull/58897 InRadar P2 Normal --- 1 karlcow karlcow sabouhallawa webkit-bug-importer zimmermann oldest_to_newest 2195527 0 478860 karlcow 2026-03-31 07:19:11 -0700 Created attachment 478860 testcase When SVG <tspan> elements have xml:space="preserve" and are separated by whitespace text nodes (typical of indented markup), the tspan x/y positions are assigned to the wrong characters. This causes text to be visually split and mispositioned. <text transform="translate(300 300)" fill="black"> <tspan font-family="Helvetica Neue" font-size="16" x="120" y="70.34399" xml:space="preserve">A</tspan> <tspan font-family="Helvetica Neue" font-size="16" x="120" y="88.79199" xml:space="preserve">AB</tspan> <tspan font-family="Helvetica Neue" font-size="16" x="120" y="107.23999" xml:space="preserve">Z</tspan> </text> Renders in Firefox/Chrome A AB Z Renders in Safari A A BZ 2195528 1 karlcow 2026-03-31 07:20:19 -0700 rdar://143722975 2195529 2 karlcow 2026-03-31 07:21:00 -0700 This also creates rendering issue on https://github.com/w3c/csswg-drafts/issues/11610#issuecomment-2680514021 2195539 3 karlcow 2026-03-31 07:43:34 -0700 Pull request: https://github.com/WebKit/WebKit/pull/61764 2195747 4 ews-feeder 2026-03-31 17:24:04 -0700 Committed 310347@main (279d4c423fd2): <https://commits.webkit.org/310347@main> Reviewed commits have been landed. Closing PR #61764 and removing active labels. 2195748 5 karlcow 2026-03-31 17:26:17 -0700 Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/58897 478860 2026-03-31 07:19:11 -0700 2026-03-31 07:19:11 -0700 testcase minimal.svg image/svg+xml 806 karlcow PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+Cjwh RE9DVFlQRSBzdmcgUFVCTElDICItLy9XM0MvL0RURCBTVkcgMS4xLy9FTiIgImh0dHA6Ly93d3cu dzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCI+CjxzdmcgdmVyc2lvbj0iMS4x IiB4bWxuczp4bD0iaHR0cDovL3d3dy53My5vcmcvMTk5OS94bGluayIgeG1sbnM6ZGM9Imh0dHA6 Ly9wdXJsLm9yZy9kYy9lbGVtZW50cy8xLjEvIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAw MC9zdmciIHZpZXdCb3g9IjM2MCAzMzMgMzM4IDE0MCIgd2lkdGg9IjMzOCIgaGVpZ2h0PSIxNDAi PgogICAgICAgIDx0ZXh0IHRyYW5zZm9ybT0idHJhbnNsYXRlKDMwMCAzMDApIiBmaWxsPSJibGFj ayI+CiAgICAgICAgICA8dHNwYW4gZm9udC1mYW1pbHk9IkhlbHZldGljYSBOZXVlIiBmb250LXNp emU9IjE2IiBmaWxsPSJibGFjayIgeD0iMTIwIiB5PSI3MC4zNDM5OSIgeG1sOnNwYWNlPSJwcmVz ZXJ2ZSI+QTwvdHNwYW4+CiAgICAgICAgICA8dHNwYW4gZm9udC1mYW1pbHk9IkhlbHZldGljYSBO ZXVlIiBmb250LXNpemU9IjE2IiBmaWxsPSJibGFjayIgeD0iMTIwIiB5PSI4OC43OTE5OSIgeG1s OnNwYWNlPSJwcmVzZXJ2ZSI+QUI8L3RzcGFuPgogICAgICAgICAgPHRzcGFuIGZvbnQtZmFtaWx5 PSJIZWx2ZXRpY2EgTmV1ZSIgZm9udC1zaXplPSIxNiIgZmlsbD0iYmxhY2siIHg9IjEyMCIgeT0i MTA3LjIzOTk5IiB4bWw6c3BhY2U9InByZXNlcnZlIj5aPC90c3Bhbj4KICAgICAgICA8L3RleHQ+ Cjwvc3ZnPgo=