Add support for background page creation (#14547)#3136
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Port upstream Puppeteer PR #14547 which adds a `background` flag to page creation. When set to true, the new page is created in the background with `document.visibilityState` equal to "hidden". Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The upstream CreatePageOptions includes type (tab/window), windowBounds, and background. Update our implementation to match by adding WindowBounds, WindowState, and passing window properties through CDP Target.createTarget and BiDi browsingContext.create. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This was referenced Feb 18, 2026
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Summary
backgroundflag when creating pagesCreatePageOptionsclass with aBackgroundpropertyNewPageAsynconIBrowser,IBrowserContext, and all implementations (CDP and BiDi) to acceptCreatePageOptionsbackgroundtoTarget.createTargetbackgroundviaIsCreatedInBackgroundonCreateCommandParametersChanges
CreatePageOptions.csBackgroundpropertyIBrowser.cs/IBrowserContext.csNewPageAsyncsignatureBrowser.cs/BrowserContext.csCdpBrowser.cs/CdpBrowserContext.csbackgroundtoTarget.createTargetBidiBrowser.cs/BidiBrowserContext.csbackgroundto BiDi browsing context creationUserContext.csbackgroundparam and setIsCreatedInBackgroundTargetCreateTargetRequest.csBackgroundpropertyNewPageTests.csdocument.visibilityStateis"hidden"Test plan
NewPageTests.ShouldCreateABackgroundPagepassesNewPageTests.ShouldCreateABackgroundPagepasses🤖 Generated with Claude Code