Good day, thanks for your question. There was a couple of post July last year stating that it became available for Canary and it is where you can enable it via flags, but there was no further update after that if it will already be released on the Stable channel, and therefore you can refer to the links below which also has detailed steps on how it can be enabled, but kindly take note that it might work or it might not work as expected.
https://windowsreport.com/finally-microsoft-edg...
https://www.reddit.com/r/MicrosoftEdge/comments...
https://x.com/windowsreport/status/181286405063...
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Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
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Regards,
Paul R.