According to the source review from Digital Trends Computing, Google's forthcoming Chrome 150 update will permanently disable Manifest V2-based ad blockers by removing the final flag that allowed them to function despite official deprecation. This move follows over a year of phased-out support starting in October 2024 and leaves no remaining workarounds for maintaining legacy ad blockers in Chrome.
- Chrome 150 removes final Manifest V2 support flag, disabling legacy ad blockers
- Manifest V3 ad blocker options offer reduced filtering capabilities
- Alternatives include Firefox, Brave, or uBlock Origin Lite
Product angle
The source review reports that Google is removing the kExtensionManifestV2Disabled flag in Chrome 150, which was the last developer method to keep Manifest V2-based ad blockers like the classic uBlock Origin working. The decision reflects a shift away from maintaining legacy extension frameworks due to increasing complexity and security risks associated with the older system. Manifest V2, deprecated since October 2024, is no longer officially supported by Chrome, and this update will fully enforce that policy by eliminating all backward compatibility.
With Manifest V2 support officially gone, ad blockers now must comply with the more restrictive Manifest V3 architecture. Manifest V3 limits how extensions can filter web traffic, which reduces the power and flexibility that traditional ad blockers offered. This marks a significant change for privacy-conscious users who depend on robust ad blocking, prompting them to seek compatible replacements or alternative browsers that preserve similar functionality.
Best for / avoid if
Chrome users who prefer official extension support and can accept the limitations of Manifest V3 ad blockers will find transitioning to uBlock Origin Lite or other Manifest V3-compliant extensions to be the best path forward. This is particularly suited for average users who prioritize seamless updates and security integration within the Chrome ecosystem, even at the cost of some filtering power.
Conversely, users requiring extensive ad blocking capabilities or those reliant on legacy Manifest V2 extensions should avoid staying on Chrome post-update unless they accept reduced functionality. They may consider switching to privacy-focused browsers like Firefox, which continue supporting full-featured uBlock Origin versions, or Brave, which offers built-in ad blocking not reliant on Chrome extension frameworks. Browsers like Edge and Opera, expected to align with Chrome's Manifest V3 mandate, are poor alternatives for maintaining legacy ad blocker functionality.
Pricing and alternatives to check
Manifest V3 ad blockers such as uBlock Origin Lite are typically free as browser extensions but come with functionality constraints compared to their Manifest V2 predecessors. This update does not introduce new paid tiers but highlights that users willing to pay for enhanced ad blocking may need to look beyond Chrome's extension ecosystem.
For alternatives, Firefox remains a key recommendation for users seeking full-featured ad blockers without compromise, as it continues support for Manifest V2 style extensions. Brave is another strong alternative, integrating ad blocking at the browser engine level which circumvents restrictions imposed by Manifest V3. Evaluating these browsers is advisable for users who prioritize comprehensive ad filtering and privacy over strict adherence to Chrome.