Fix: Prevent stale CSS property reads in WebDriver Bidi mode#14853
Merged
christian-bromann merged 3 commits intowebdriverio:mainfrom Nov 14, 2025
Merged
Fix: Prevent stale CSS property reads in WebDriver Bidi mode#14853christian-bromann merged 3 commits intowebdriverio:mainfrom
christian-bromann merged 3 commits intowebdriverio:mainfrom
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…cute to avoid stale element references in WebDriver Bidi mode
…tCSSValue for another browser.execute in isDisplay promise, so we are hiting one less endpoint
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Proposed changes
This PR proposes obtaining CSS property value using
window.getComputedStylewithinbrowser.executeingetCSSPropertyfunction instead of the Classic WebDriver protocolgetElementCSSValuecommand which as of now does not have direct equivalent command in WebDriver BiDiWhen using WebDriver Bidi protocol,
getCSSProperty()was returning stale values after elements were removed. This causedwaitForDisplayed({ reverse: true })to timeout even when elements became hidden, because the protocol commandgetElementCSSValuewould return outdated CSS values.In Classic WebDriver mode, element references become invalid immediately when elements are removed, causing fast failures. In BiDi mode, element references remain "valid" longer, leading to stale reads and race conditions.
Fix for #14835
Types of changes
Checklist
Backport Request
//: # (The current
mainbranch is the development branch for WebdriverIO v9. If your change should be released to the current major version of WebdriverIO (v8), please raise another PR with the same changes against thev8branch.)v9and doesn't need to be back-ported#XXXXXFurther comments
Reviewers: @webdriverio/project-committers