Intent to ship from Mozilla: https://groups.google.com/a/mozilla.org/g/dev-platform/c/3YMV4MS34KA
On Monday, August 24, 2026 at 1:08:20 PM UTC+2 Chromestatus wrote: > *Contact emails* > [email protected], [email protected] > > *Explainer* > *No information provided* > > *Specification* > https://www.iso.org/standard/85066.html > > *Summary* > Adds support for decoding JPEG XL (image/jxl) images in Blink using > jxl-rs, a memory-safe pure Rust decoder (https://github.com/libjxl/jxl-rs). > JPEG XL is a modern image format standardized as ISO/IEC 18181 that offers > progressive decoding for improved perceived loading performance, support > for wide color gamut, HDR, and high bit depth, and support for animation. > > *Blink component* > Internals>Images>Codecs>JPEG XL > <https://issues.chromium.org/issues?q=customfield1222907:%22Internals%3EImages%3ECodecs%3EJPEG%20XL%22> > > *Web Feature ID* > jpegxl <https://webstatus.dev/features/jpegxl> > > *Motivation* > (see Summary) > > *Initial public proposal* > *No information provided* > > *TAG review* > https://github.com/w3ctag/design-reviews/issues/633 > > *TAG review status* > Issues addressed > > *Goals for experimentation* > > > *Risks* > > > *Interoperability and Compatibility* > No special risks. Note that the C++ and the Rust version are both tested > against the same conformance test corpus. > > *Gecko*: Shipped/Shipping also migrating to rust version > > *WebKit*: Shipped/Shipping WebKit currently uses the C++ decoder. > > *Web developers*: Strongly positive > > *Other signals*: > > *WebView application risks* > > Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications? > New feature, no special risk > > > *Debuggability* > *No information provided* > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > Yes > https://wpt.fyi/results/jpegxl?label=experimental&label=master&aligned > There is extensive conformance testing outside of WPT too. WPTs show > failures because the flag is disabled in wpt runs. > https://wpt.fyi/results/jpegxl?sha=3d06a34791fc33532baffe64e5c48c450cb1a1b9 > shows a run with the flag enabled, which has two failures. The > icc-uncommon-profile-reftest.html failure is a small difference visually, > currently investigating. The cmyk-basic-conversion-reftest.html failure is > being fixed in > https://chromium-review.git.corp.google.com/c/chromium/src/+/8275513 > > *Flag name on about://flags* > enable-jxl-image-format > > *Finch feature name* > JXLImageFormat > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Availability expectation* > Feature is available on Web Platform Baseline within 12 months of launch > in Chrome. > > *Adoption expectation* > Feature is considered a best practice for some use case within 12 months > of reaching Web Platform baseline. > > *Adoption plan* > Multiple players on the web have expressed interest in deploying JPEG XL > images, including at least Cloudinary and Shopify, as well as multiple web > developers during the Interop process. > > *Non-OSS dependencies* > > Does the feature depend on any code or APIs outside the Chromium open > source repository and its open-source dependencies to function? > No. > > *Estimated milestones* > > No milestones specified > > > *Anticipated spec changes* > > Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues (e.g. links to known github issues > in the project for the feature specification) whose resolution may > introduce web compat/interop risk (e.g., changing to naming or structure of > the API in a non-backward-compatible way). > N/A > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5114042131808256?gate=6594362739916800 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com>. > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/a0e94991-caf6-4ad8-9096-d813c5096adfn%40chromium.org.
