Note: The WebKit signal is actually "Positive". No matter how many times I edited the Chromestatus entry to say "Positive", it still showed up in the email draft as "Closed Without a Position", so there appears to be a bug in the system.
James On Monday, October 27, 2025 at 5:39:19 PM UTC-4 Chromestatus wrote: > *Contact emails* > [email protected] > > *Explainer* > https://github.com/gpuweb/gpuweb/issues/4973 > > *Specification* > > https://www.w3.org/TR/WGSL/#language_extension-uniform_buffer_standard_layout > > *Summary* > Functionality added to the WebGPU spec after its first shipment in a > browser. Uniform buffers declared in WGSL shaders are no longer required to > have 16-byte alignment on array elements, or to pad nested structure > offsets to a multiple of 16 bytes. > > *Blink component* > Blink>WebGPU > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebGPU%22> > > *Web Feature ID* > webgpu <https://webstatus.dev/features/webgpu> > > *Motivation* > This feature simplifies the use of uniform buffers in WGSL shaders by > unifying their constraints with those of storage buffers. Without this, > developers are required to align all array elements to 16 bytes and pad > nested structures to achieve a 16-byte offset. > > *Initial public proposal* > https://github.com/gpuweb/gpuweb/pull/5347 > > *TAG review* > *No information provided* > > *TAG review status* > Pending > > *Risks* > > > *Interoperability and Compatibility* > This feature has been approved in W3C GPU for the Web WG meetings > including participants from Safari and Firefox. Minutes from W3C meeting > where the decision to accept the proposal was finalized: > https://github.com/gpuweb/gpuweb/wiki/GPU-Web-2025%E2%80%9010%E2%80%9021-WGSL#language-feature-for-relaxing-uniform-address-space-layout-5347 > > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/1205#issuecomment-3312534193 > ) > > *WebKit*: Closed Without a Position ( > https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933 > ) > > *Web developers*: No signals > > *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? > None > > > *Debuggability* > None > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > All platforms will eventually have support. Will immediately be available > on Android, Android WebView, ChromeOS, Mac, and Windows, since those > platforms already support WebGPU. Linux is planned to have WebGPU support > in the future, so this feature will become available when WebGPU does. > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > Yes > WebGPU/WGSL have a conformance test suite (https://github.com/gpuweb/cts) > that is regularly pulled into Chromium and part of the testing of Dawn/Tint > in Chromium. While the CTS can be embedded in WPT, the WebGPU team opted to > keep it separate in Chromium testing to use a customized harness for > robustness and performance. CTS coverage for this feature was added here: > https://github.com/gpuweb/cts/pull/4484 > > *Flag name on about://flags* > Enable Unsafe WebGPU > > *Finch feature name* > UnsafeWGSLFeatures > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Tracking bug* > https://crbug.com/452662924 > > *Estimated milestones* > Shipping on desktop 144 > DevTrial on desktop 143 > Shipping on Android 144 > DevTrial on Android 143 > Shipping on WebView 144 > > *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). > *No information provided* > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/6680245553987584?gate=6542931179732992 > > 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/76fa978f-c2c5-4fa6-8031-02315479403fn%40chromium.org.
