Microsoft Edge phases out Manifest V2, blocking uBlock Origin like Chrome
Microsoft is ending support for older ad-blocking extensions, forcing users to switch tools or browsers.
Conversation activity · last 3 days peak 6/hr
Summary, timeline and people extracted by Claude from 16 items across 4 sources · 21h ago. Quotes are verbatim.
Microsoft Edge is discontinuing support for Manifest V2 extensions starting this month, which will disable ad blockers like uBlock Origin—mirroring Google Chrome's earlier transition. Only 58 extensions on Edge's store use MV2 with meaningful usage, and Microsoft plans to complete the consumer transition by end of 2026, with enterprise deprecation following in early 2027. Users can migrate to MV3 alternatives like uBlock Origin Lite, or switch to browsers like Opera or Firefox that continue supporting MV2.
- Microsoft Edge is discontinuing Manifest V2 extensions starting August 2026, disabling ad blockers like uBlock Origin similar to Chrome's earlier action.
- Only 58 MV2 extensions have meaningful usage on Edge, with most having MV3 alternatives available.
- Consumer users face transition by end of 2026; enterprise users by early 2027.
- Alternative browsers Opera and Firefox continue supporting MV2 extensions, offering escape routes for affected users.
How it unfolded
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Reaction Hacker News discussion of impact on ad blocker users
The story gains traction on Hacker News with 185 score and 189 comments, reflecting user concern over losing ad-blocking options in Edge.
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Event Microsoft begins phased rollout of MV2 deprecation
Microsoft announces that MV2 extensions will be gradually turned off by default starting this month, beginning with Canary, Dev, and Beta channels before reaching Stable.
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Report The Verge reports Microsoft's MV2 deprecation plan
Stevie Bonifield reports that Microsoft Edge is ending Manifest V2 extension support, affecting uBlock Origin and 57 other extensions, following Chrome's earlier transition.
What people are saying verbatim
“Over the next few months, MV2 extensions will be gradually turned off by default. Users will be notified in advance and directed to recommended MV3 versions where available.”
Microsoft · The Verge
“for as long as it's technically reasonable”
Opera · The Verge
Voices from the web unedited
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Google is an ad company, ad blockers are bad. Why are you using a browser from an advertising company and expecting different results?Microsoft repurposed Google's adware in Chrome into Edge telemetry/spyware to feed your browsing directly into windows telemetry to watch everything you do, they wanted that back when IE lost the war.Google already…
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This is ultimately the endpoint of all Chromium-based browsers. Even the most stalwart will throw in the towel on MV2 support sooner or later, because the effort required to maintain non-trivial patches against mainline becomes too great for the team to keep up with.It's a great demonstration of how Chromium's open source nature is something of a…
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Advertising companies shouldn’t be in the browser business. It’s a really bad conflict of interest. Chromium is a mistake.Firefox is pretty great. But IMO they have some poor ux defaults that make it unappealing to random people who simply want a browser.
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If this thread is indicative of the sort of browser discourse in <current year> it's no wonder Google won.Nerds used to know how to computer, is what i'm saying.
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This is why we all need to rally around Firefox (or Librewolf, or Waterfox, or whatever fork you prefer) and make sure that sacred goose is never tampered with.
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Welp, once this happens I’ll just migrate over to Firefox. I tried for one day to browse the internet without an ad blocker and I just couldn’t, it was awful.
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Welp, the biggest reason that I use Edge just got thrown out, time to switch to Firefox.