Google has been progressively phasing out older Chrome extensions that rely on the deprecated Manifest V2. This shift is in favor of the newer and more secure Manifest V3, which enhances performance and security for the browser's users. However, this transition means that some popular extensions, including well-known ad blockers like uBlock Origin, will be lost to users.
Background on Manifest V2 and V3
The transition from Manifest V2 to V3 has been a significant focus for the Chromium team over the past few years. The new protocol streamlines how extensions operate, leading to improved efficiency and reduced resource consumption. Despite these advancements, this change has resulted in the discontinuation of numerous beloved extensions.
Steps Taken by Google
Over the last year, Google has implemented various measures to limit the functionality of Manifest V2 extensions. These actions include disabling older extensions and complicating the process for users who wish to enable them. The final blow occurred in July 2025, when Google permanently disabled these extensions and introduced restrictions that made it virtually impossible for users to reactivate them.
Upcoming Changes and Deadlines
As of now, the Chrome team has set a firm deadline of August 31, 2026, for the complete removal of all Manifest V2 extensions from the Chrome Web Store. After this date, users will not only find these extensions unavailable for download but will also be barred from reinstalling them, even if they have previously downloaded the extension files.
Alternatives and Workarounds
For users who still rely on Manifest V2 extensions, there are a couple of options available. One method involves using the Developer Tools in Chrome, though this may be complex for some users. The simpler solution is to switch to a browser that continues to support these older extensions, such as Mozilla Firefox. Other alternatives include lesser-known browsers like Thorium or Ghost, although transitioning to these may require some adjustment.
It's also essential for users to secure copies of their favorite extensions before the deadline approaches, as they may not be easily accessible in the future.
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Source: https://www.androidauthority.com/google-chrome-old-manifest-v2-extensions-delete-3685207/
