Sunday - November 9th, 2025
Microsoft has implemented the new channel structure for Windows Insiders by pushing a back-end update that changes the familiar Fast, Slow, and Release Preview Rings to the new channel structure of Dev, Beta, and Release Preview.
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The Windows team at Microsoft has decided to better align their testing structure with other Insider Programs at Microsoft by shifting from the familiar rings to a channel format. The company indicates these new channel designators will better indicate the style and quality of releases for the development of Windows in this new arrangement.
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