Microsoft Edge to Phase Out Support for Older Extensions Soon

WHO:

Techmeme - Microsoft is the organization phasing out support for older extensions in Edge.

The Verge - Users of uBlock Origin are specifically mentioned as losing one of their browser options.

WHAT:

Techmeme - Microsoft plans to end support for Manifest V2 extensions in Edge.

The Verge - MV2 extensions will be gradually turned off by default over the next few months.

The Verge - Users will be notified in advance and directed to recommended MV3 versions where available.

WHEN:

Techmeme - Support for Manifest V2 extensions in Edge will end starting this month.

The Verge - The goal is to complete the consumer transition by the end of 2026.

The Verge - Enterprise deprecation will follow in early 2027.

HOW:

The Verge - Changes will start in the Canary, Dev, and Beta channels and gradually broaden to Stable in the following months.

The Verge - Managed devices will not be affected during the consumer rollout.

(UPDATED August 8, 2026 03:01 UTC)

Microsoft is phasing out support for Manifest V2 extensions in Edge, with the transition beginning this month and expected to be completed for consumers by the end of 2026. Users of the popular uBlock Origin extension will specifically lose one of their browser options, but they will be notified in advance and directed to recommended Manifest V3 versions where available. The changes will initially roll out in the Canary, Dev, and Beta channels before expanding to the Stable version in the coming months, while managed devices will remain unaffected during this consumer rollout.