Browser compatibility
Browser compatibility Contents NamespaceAsynchronousAPI CoverageManifest keysMore information While work continues to standardize the APIs used for browser extension development, there remain differences between Chromium-based browsers—such as Chrome, Opera, and the Chromium-based Microsoft Edge—and Firefox. These differences, summarized on this page, include: Namespace: In Chromium-based...
/documentation/develop/browser-compatibility/