183666 2018-03-15 10:56:03 -0700 Safari fails to load dynamic stylesheets 2018-03-15 14:42:07 -0700 1 1 1 Unclassified WebKit Layout and Rendering Safari Technology Preview All All RESOLVED DUPLICATE 183601 InRadar, Regression P2 Critical --- 1 shimon.schwartz webkit-unassigned bfulgham koivisto shimon.schwartz simon.fraser webkit-bug-importer zalan oldest_to_newest 1406716 0 335862 shimon.schwartz 2018-03-15 10:56:03 -0700 Created attachment 335862 Example Summary: Safari fails to load a stylesheet via a link tag that was modified at the runtime. Steps to Reproduce: 1. create a blank html5 page 2. add a <link rel="preload" as="style" href="{ stylesheet url }"> tag 3. add a script that executes on window load event, which updates the above tag rel attribute to "stylesheet" See attached code as an example. Expected Results: CSS loads and is applied to the page Actual Results: CSS never loads This works on Safari 11.0 and older, and on all other browsers Version/Build: Safari 11.1 beta 4, both desktop and iOS 1406746 1 webkit-bug-importer 2018-03-15 11:46:22 -0700 <rdar://problem/38509544> 1406815 2 koivisto 2018-03-15 14:42:07 -0700 *** This bug has been marked as a duplicate of bug 183601 *** 335862 2018-03-15 10:56:03 -0700 2018-03-15 10:56:03 -0700 Example safari 11.1 css bug.zip application/zip 831 shimon.schwartz UEsDBAoAAAAAAGtwaUwAAAAAAAAAAAAAAAAUABAAc2FmYXJpIDExLjEgY3NzIGJ1Zy9VWAwAyIiq Wnnaolo9Hji9UEsDBBQACAAIAHZwaUwAAAAAAAAAAAAAAAAeABAAc2FmYXJpIDExLjEgY3NzIGJ1 Zy9pbmRleC5odG1sVVgMAGPaolqP2qJaPR44vTVRsW7CMBCdw1dcvSSUNnSsioPE0K1bR8Rg7Eti YWxqX0BRxb/3nNDFZ5/uvXfvWT6ZoGm8IPR0dtuF/C+ozHZRyDOSAt2rmJAaMVD7+i5yP9HokC/F MZgRfvlSHJU+dTEM3nxAFxH9hrt3nl0/huV6ZpUZk0mc9SeI6Bpx4TMoI0ClRkzjAvqI7eNR65RY NuvqaC/E4Jv1JtxqZcznFT192UToMVZl5ilfoB28Jhs8VMtpvauKwCzQABsezgypfwaM4zc61BTi zjnG8kL7rPvciEnzUC6zizZEqDKDZfzbhovMZLVD31G/gdXKzioFd/f2UHNaO6JojwNhVbI53qic rKQekWZWzua+nPJ5mJLrORkOKv/CH1BLBwhXgMqUFwEAAJwBAABQSwMEFAAIAAgAa3BpTAAAAAAA AAAAAAAAAB0AEABzYWZhcmkgMTEuMSBjc3MgYnVnL3N0eWxlLmNzc1VYDAB52qJaedqiWj0eOL1L yk+pVKjm4kxKTM5OL8ovzUuxUihKTbHmqgUAUEsHCIArnnUcAAAAGgAAAFBLAQIVAwoAAAAAAGtw aUwAAAAAAAAAAAAAAAAUAAwAAAAAAAAAAEDtQQAAAABzYWZhcmkgMTEuMSBjc3MgYnVnL1VYCADI iKpaedqiWlBLAQIVAxQACAAIAHZwaUxXgMqUFwEAAJwBAAAeAAwAAAAAAAAAAECkgUIAAABzYWZh cmkgMTEuMSBjc3MgYnVnL2luZGV4Lmh0bWxVWAgAY9qiWo/aolpQSwECFQMUAAgACABrcGlMgCue dRwAAAAaAAAAHQAMAAAAAAAAAABApIG1AQAAc2FmYXJpIDExLjEgY3NzIGJ1Zy9zdHlsZS5jc3NV WAgAedqiWnnaolpQSwUGAAAAAAMAAwD9AAAALAIAAAAA