TestCafe broken with Safari 26.0.1 #8455
Description
What is your Scenario?
Running TestCafe as usual with integration tests. Stopped working following Safari upgrade to 26.0.1
What is the Current behavior?
[Error] TypeError: undefined is not an object (evaluating 'testDivDescriptor.configurable')
(anonymous function) (hammerhead.js:42725)
StyleSandbox (hammerhead.js:42691)
Sandbox (hammerhead.js:43199)
Hammerhead (hammerhead.js:43660)
(anonymous function) (hammerhead.js:43871)
initHammerheadClient (hammerhead.js:43882)
Global Code (hammerhead.js:43884)
[Error] TypeError: undefined is not an object (evaluating 'window['%hammerhead%'].utils')
Global Code (testcafe-core.js:1)
[Error] TypeError: undefined is not an object (evaluating 'window['%hammerhead%'].utils')
Global Code (testcafe-ui.js:1)
[Error] TypeError: undefined is not an object (evaluating 'window['%hammerhead%'].utils')
Global Code (testcafe-automation.js:1)
[Error] TypeError: undefined is not an object (evaluating 'window['%hammerhead%'].utils')
Global Code (testcafe-driver.js:1)
[Error] TypeError: undefined is not an object (evaluating 'window['%hammerhead%'].utils')
Global Code (task.js:1)
[Error] TypeError: undefined is not an object (evaluating 'window["%hammerhead%"].sandbox')
(anonymous function) (important-clam-66.deno.dev:6:1154)
Global Code (important-clam-66.deno.dev:6:1210)
What is the Expected behavior?
TestCafe functions on latest Safari
What is the public URL of the test page? (attach your complete example)
n/a runs in CI
What is your TestCafe test code?
n/a
Your complete configuration file
No response
Your complete test report
No response
Screenshots
No response
Steps to Reproduce
gh repo clone panva/jose
npm install --global testcafe@3
BROWSER=safari npm run tap:browsers
TestCafe version
3.7.2
Node.js version
v24.11.0
Command-line arguments
testcafe safari --hostname localhost
Browser name(s) and version(s)
No response
Platform(s) and version(s)
No response
Other
No response