258655 2023-06-28 19:18:29 -0700 Safari TP 173 cannot show JPEG XL placed to the top of https://jpegxl.info 2023-07-31 12:59:16 -0700 1 1 1 Unclassified WebKit Images Safari Technology Preview Unspecified macOS 13 RESOLVED MOVED InRadar P2 Normal --- 208235 1 tetsuharu.ohzeki webkit-unassigned ap jon mmaxfield sabouhallawa webkit-bug-importer oldest_to_newest 1964167 0 tetsuharu.ohzeki 2023-06-28 19:18:29 -0700 ## Environment - macOS 13.4.1（22F82）, Intel - Safari TP 173 (Safari 17.0, WebKit 18616.1.20.2) ## Steps to Reproduce 1. Open https://jpegxl.info ## Actual Behavior - "JPEG XL logo / browser support test" image is not shown. - Safari fails to decode? - But the fallback image is also not shown. - By Network Tab in Web Inspector, Safari downloaded https://jpegxl.info/logo.jxl. - The request was sent with `Accept: image/webp,image/avif,image/jxl,image/heic,image/heic-sequence,video/*;q=0.8,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5` header. ## Expected Behavior Show "JPEG XL logo / browser support test" image properly with JPEG XL. 1964222 1 tetsuharu.ohzeki 2023-06-29 04:33:39 -0700 I confirmed this is reproduced on macOS 13.4.1 (Apple Silicon). 1964538 2 ap 2023-06-30 11:26:09 -0700 Tank you for the report, we are investigating. 1965244 3 webkit-bug-importer 2023-07-05 19:19:16 -0700 <rdar://problem/111822589> 1966331 4 mmaxfield 2023-07-11 19:46:59 -0700 We determined why this is happening. It's an issue with Apple's internal build system. Moving to <rdar://problem/111822589> 1967481 5 ap 2023-07-20 13:13:47 -0700 *** Bug 259361 has been marked as a duplicate of this bug. *** 1968556 6 ap 2023-07-27 18:55:49 -0700 Please test with STP 175. 1968570 7 mmaxfield 2023-07-27 20:29:25 -0700 STP 175 does indeed have JPEG XL enabled, but we are tracking an issue about graphical distortion using it. We are investigating them at https://bugs.webkit.org/show_bug.cgi?id=259587 1968909 8 mmaxfield 2023-07-31 12:59:02 -0700 We are intentionally disabling JPEG XL on Ventura and Monterey (but not Sonoma, and not non-macOS) until we can figure out the graphical distortion problem. See commits.webkit.org/266408@main 1968910 9 mmaxfield 2023-07-31 12:59:16 -0700 *** intentionally and temporarily disabling