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The "Error: frame window is not ready" is thrown by third-party scripts or browser internals when accessing iframe.contentWindow before the frame has finished loading. The error string does not exist in the source code or any dependency, confirming it originates from external code. These errors are not actionable and create noise in Sentry. Closes #8384 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Closes #8384
Summary
beforeSendfilter to drop "frame window is not ready" errorsiframe.contentWindowbefore the frame is loaded — the exact string does not exist in our source code or any dependencyTest plan
beforeSendyarn testpasses (160 suites, 1550 tests)🤖 Generated with Claude Code