The extension has a simple interface, which highlights the number of blocked items only.Ĭhrome users who rely on content blockers may encounter major issues from January 2023 on. New versions of uBO Minus will be released alongside the regular uBlock Origin extension for Chromium-based browsers and Firefox. The Chrome extension uBO Minus uses the same default filter set as uBlock Origin, but in optimized form to take into account the limitations of Manifest V3.Ĭhrome users who want to give uBO Minus a try may download and install it from the Chrome Web Store. Hill lists cosmetic filtering, scriplet injections, CSP, redirect and removeparam filters specifically. The consequence of this is that certain features are not supported by it. The extension does not require any extra permissions, including the "read and change all your data on all websites" permission. Hill reveals that uBO Minus uses the declarativeNetRequest API exclusively, which Google introduced in Manifest V3 to replace more powerful APIs of Manifest V3. The minus indicates that it is not as powerful as uBlock Origin. The experimental extension uBOMinus is compatible with Manifest V3. Google, earning most of its revenue from advertising, may benefit from this.
A side-effect, or so it seems, is that privacy and content blocking extensions may run with limited functionality only. Rogue extensions may use the capabilities to spy on users. Google claims that Manifest V3 improves privacy by removing capabilities from extensions. Installed extensions will not run anymore and new extensions can't be installed at all in Chrome anymore. From June 2023 onward, Manifest V2 extensions are no longer supported. There is an Enterprise-policy that extends the cut-off date to June 2023.
The experimental extension is based on Google's Manifest V3 for extensions, which changes things significantly for extensions such as uBlock Origin.įrom January 2023 on, Google will block extensions that rely on Manifest V2 in Chrome.
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