Shipping WebGPU on Windows in Firefox 141
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Shipping WebGPU on Windows in Firefox 141 is a July 2025 Mozilla Gfx Team Blog post by jblandy announcing that Firefox 141 enables WebGPU on Windows after years of development.
It frames WebGPU as a modern web API for GPU rendering and compute, notes Mozilla work on the W3C WebGPU and WGSL standards since 2017, and compares shipping status with Chrome and upcoming Safari. Firefox builds on the WGPU Rust crate over Direct3D 12, Metal, and Vulkan. Open issues called out include IPC overhead (improved in 142), timer-based GPU completion latency, and missing importExternalTexture.
It is for web graphics developers and browser engineers evaluating WebGPU in Firefox on Windows, with Mac, Linux, and Android planned later.
The post is a free short engineering blog with pointers to tutorials, samples, MDN docs, and Bugzilla reporting.
It is useful as a status and architecture note when judging Firefox 141 as a WebGPU target and what still differs from other browsers.