Chromium: Difference between revisions

Manifest V3 is an update to the manifest structure used by browser extensions across the majority of the browser market; it is presented as an upgrade of security, privacy and performance of said extensions.<ref>{{Cite web |last=Li |first=David |title=Resuming the transition to Manifest V3 |url=https://developer.chrome.com/blog/resuming-the-transition-to-mv3 |url-status=live |access-date=24 Mar 2025 |website=Chrome for developers}}</ref><ref>{{Cite web |date=12 Sep 2024 |title=Overview and timelines for migrating to Manifest V3 |url=https://learn.microsoft.com/en-us/microsoft-edge/extensions-chromium/developer-guide/manifest-v3 |url-status=live |access-date=24 Mar 2025 |website=[[Microsoft]]}}</ref> The changes restrict the access browser-extensions can have, enhancing security by not allowing them to load remote resources immediately or significantly alter rendered content. These limitations effectively break the functionality of the browser market's most effective ad-blockers.<ref>{{Cite web |last=Siddiqui |first=Aamir |date=17 Nov 2023 |title=Google's Manifest V3 changes will soon disable uBlock Origin on Chrome |url=https://www.androidauthority.com/google-chrome-manifest-v3-changes-3386506/ |url-status=live |access-date=24 Mar 2025 |website=Android Authority}}</ref> Despite the developers' effort to bypass the issue using workarounds and updated versions of Manifest V3, the software's previous efficiency has not been restored fully. For example, blocked domains cannot be updated as conveniently.<ref>{{Cite web |last=Buria |first=Taras |date=3 Aug 2024 |title=uBlock Origin developer recommends switching to uBlock Lite as Chrome flags the extension |url=https://www.neowin.net/news/ublock-origin-developer-recommends-switching-to-ublock-lite-as-chrome-flags-the-extension/ |url-status=live |access-date=24 Mar 2025 |website=Neowin}}</ref> This manifest change is supported by leading Chromium-based browsers, making it difficult for other browsers to match previous ad-blocking abilities without committing to retaining Manifest V2 (such as Firefox, which also uses chromium-sourced manifests<ref>{{Cite web |last=Sullivan |first=Edward |date=13 Mar 2024 |title=Manifest V3 & Manifest V2 (March 2024 update) |url=https://blog.mozilla.org/addons/2024/03/13/manifest-v3-manifest-v2-march-2024-update/ |url-status=live |access-date=24 Mar 2025 |website=[[Mozilla]]}}</ref>) or utilizing their own ad-blocking solutions<ref>{{Cite web |date=27 Jun 2024 |title=What Manifest V3 means for Brave Shields and the use of extensions in the Brave browser |url=https://brave.com/blog/brave-shields-manifest-v3/ |url-status=live |access-date=24 Mar 2025 |website=[[Brave]]}}</ref> of varied effectiveness.<ref>{{Cite web |date=17 Jun 2024 |title=Manifest v3 update: Vivaldi is future-proofed with its built-in functionality |url=https://vivaldi.com/blog/manifest-v3-update-vivaldi-is-future-proofed-with-its-built-in-functionality/ |url-status=live |access-date=24 Mar 2025 |website=[[Vivaldi]]}}</ref><!-- Citations support controversies of Google, Google Chrome, and other third-party companies/products. I suggest this be a part of those articles, and not Chromium.  -->