195745 2019-03-14 06:47:39 -0700 Letter spacing shouldn't break Arabic words 2025-08-26 23:39:08 -0700 1 1 1 Unclassified WebKit CSS WebKit Nightly Build Unspecified Unspecified REOPENED InRadar P2 Normal --- 1 ebrahim webkit-unassigned 50167214 bfulgham mmaxfield nmouchtaris simon.fraser webkit-bug-importer zalan oldest_to_newest 1516495 0 ebrahim 2019-03-14 06:47:39 -0700 Testcase: data:text/html;charset=utf8,<div style="letter-spacing: 10px;">%D9%85%D8%AA%D9%86</div> Actual: Breaks the word letter on Arabic Expected: Shouldn't insert space between on an Arabic word per https://drafts.csswg.org/css-text-3/#cursive-tracking Equivalent bugs to get context: https://crbug.com/942012 https://bugzilla.mozilla.org/show_bug.cgi?id=1342835 1880220 1 bfulgham 2022-07-01 15:42:52 -0700 We seem to exactly match Chrome behavior here. Can you reopen if we are still doing something wrong in macOS 13 or iOS 16? 1880221 2 webkit-bug-importer 2022-07-01 15:43:07 -0700 <rdar://problem/96318423> 2112418 3 50167214 2025-04-22 08:14:47 -0700 Chrome now has a new behavior: https://groups.google.com/a/chromium.org/g/blink-dev/c/K_tGT0tTJoM/m/QwZrhu7ADgAJ 2138986 4 ebrahim 2025-08-26 23:35:28 -0700 > Can you reopen if we are still doing something wrong in macOS 13 or iOS 16? Thanks for asking and sorry for missing to update this issue. This is never fixed indeed, I'm using Tahoe 26.0 Beta (25A5346a ) right now and it still exists. data:text/html;charset=utf8,<div style="letter-spacing: 40px; font-size: 740%">%D9%85%D8%AA%D9%86</div> https://imgur.com/a/2oSkxPX The text on the screenshot shouldn't be broken in two parts. > Chrome now has a new behavior: Thanks for pointing that out, they've fixed the equivalent of this file on Chrome which I've filed there, just am mentioning so that WebKit can become confident this is a change that should happen per the spec and now for compatibility with most other browsers.