Dropping Manifest V2 Extensions
For a while now the transition away from Manifest V2 (MV2) to MV3 has been on-going and it looks like it is entering its final phase of deprecation, at least, in the case of Google Chrome. A recent discussion thread in the w3c WebExtensions Community Group GitHub repo has highlighted how the latest and upcoming versions of the most popular browser are expected to be its final releases with support for MV2 extensions.
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Here is a rundown of the changes coming in the final such releases of Chromium releases:
- Chromium 150 lost
ExtensionManifestV2Disabledoption- Chromium 151 will loose
ExtensionManifestV2Unsupportedoption- Chromium 151 will loose
ExtensionManifestV2Availabilityoption- Chromium 151 will likely loose
AllowLegacyMV2ExtensionsoptionOther Chromium-based browsers like Opera and Microsoft Edge could soon follow suit too. Although it is not specified, Edge began disabling uBlock Origin back in February, and Opera could also stop the functioning of MV2 add-ons, even though it had committed to support MV2 for longer in October 2024.
Aug 31st 2026: All remaining Manifest V2 extensions removed from the Chrome Web Store
Previously:
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I moved my ad & tracker blocking upstream and out of the browser several years ago (NextDNS in my case), with built-in blockers in Vivaldi helping to neutralise most of the remaining detritus, and uBlock Origin Lite only stepping in for the most user-hostile sites. (You can probably make an educated guess as to which those might be…)
I think this is a pyrrhic victory on Google's part, as the battlefronts will move to where they have no strategic advantage.
