Bug 299237

Summary:

WebGPU: navigator.gpu is not defined: Version 26.0.1 / Sequoia 15.7, WebGPU feature is unchecked and says "Preview".

Product:

WebKit

Reporter:

Erik Zivkovic <erik>

Component:

WebGPU

Assignee:

Mike Wyrzykowski <mwyrzykowski>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

andreas, mwyrzykowski, tzagallo, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

Safari 26

Hardware:

Mac (Apple Silicon)

OS:

macOS 15

Attachments:

Description	Flags
Settings showing WebGPU disabled and in the "Preview" category.	none
WebGPU samples "navigator.gpu is not defined - WebGPU not available in this browser"	none
WebGPU samples again with Safari and macOS badges visible	none

Erik Zivkovic

Reported 2025-09-20 03:09:25 PDT

Created attachment 476812 [details] Settings showing WebGPU disabled and in the "Preview" category. I have upgraded Sequoia to 15.7 (24G222) and Safari to Version 26.0.1 (20622.1.22.118.4). The rotating cube example https://webgpu.github.io/webgpu-samples/?sample=rotatingCube won't load, the page says "navigator.gpu is not defined - WebGPU not available in this browser" When I open Safari 26 settings and go to "feature flags" it says that the "WebGPU" and "WebGPU support for HDR" features are disabled and are marked as "Preview". See attached screenshot. According to this blog post https://webkit.org/blog/17333/webkit-features-in-safari-26-0/#webgpu "[WebGPU] is now shipping in Safari 26.0 for macOS, iOS, iPadOS, and visionOS".

Attachments
Settings showing WebGPU disabled and in the "Preview" category. (417.39 KB, image/png) 2025-09-20 03:09 PDT, Erik Zivkovic	no flags	Details
WebGPU samples "navigator.gpu is not defined - WebGPU not available in this browser" (700.19 KB, image/png) 2025-09-20 03:11 PDT, Erik Zivkovic	no flags	Details
WebGPU samples again with Safari and macOS badges visible (613.47 KB, image/png) 2025-09-20 03:14 PDT, Erik Zivkovic	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Erik Zivkovic

Comment 1 2025-09-20 03:11:36 PDT

Created attachment 476813 [details] WebGPU samples "navigator.gpu is not defined - WebGPU not available in this browser"

Erik Zivkovic

Comment 2 2025-09-20 03:14:08 PDT

Created attachment 476814 [details] WebGPU samples again with Safari and macOS badges visible

Mike Wyrzykowski

Comment 3 2025-09-21 13:16:02 PDT

navigator.gpu requires macOS Tahoe, iOS 26, visionOS 26 or later

Alexey Proskuryakov

Comment 4 2025-09-26 11:12:57 PDT

*** Bug 299510 has been marked as a duplicate of this bug. ***

Alexey Proskuryakov

Comment 5 2025-09-26 11:15:00 PDT

Mike, perhaps we should completely hide the feature on older OS versions then? "Preview" status is now inaccurate for it on macOS 15.

Mike Wyrzykowski

Comment 6 2025-09-26 11:37:16 PDT

Agreed

Radar WebKit Bug Importer

Comment 7 2025-09-26 11:38:09 PDT

<rdar://problem/161426196>

Mike Wyrzykowski

Comment 8 2025-09-26 11:44:23 PDT

Pull request: https://github.com/WebKit/WebKit/pull/51401

EWS

Comment 9 2025-10-17 22:31:30 PDT

Committed 301759@main (61fa3ded21da): <https://commits.webkit.org/301759@main> Reviewed commits have been landed. Closing PR #51401 and removing active labels.

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