New WECG ticket filed about standardizing `documentId`: https://github.com/w3c/webextensions/issues/890
Bug 1891478 Comment 2 Edit History
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New WECG ticket filed about standardizing `documentId`: https://github.com/w3c/webextensions/issues/890 I left a comment describing all APIs that currently support documentId in Chrome, at https://github.com/w3c/webextensions/issues/890#issuecomment-3446258636