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Asif Mohammad Sovon
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Asif Mohammad Sovon @asif_mohammad_sovon

Meet Asif Mohammad Sovon, an IT Assistant in the Bangladesh Air Force and a tech writer for Fileion....

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Mar 05, 2025

uBlock Origin Removed: Chrome Shifts to Manifest V3

ublock-origin-chrome-logo

Google Chrome has officially begun phasing out uBlock Origin, one of the most popular ad-blocking extensions, as part of its transition to Manifest V3. This update aims to improve security, privacy, and performance. However, it has sparked controversy among users who rely on ad-blocking tools.

What is Manifest V3?Manifest V3

Manifest V3 is the latest iteration of Chrome's extension platform. According to Google, the update is designed to improve extension security, privacy, and performance. However, the changes significantly alter how browser extensions function, particularly in terms of ad-blocking capabilities.
Key changes in Manifest V3 include:
  1. Limiting the webRequest API used by ad blockers
  2. Introducing the declarativeNetRequest API
  3. Restricting background processes
  4. Enhanced security measures
These updates significantly affect extensions like uBlock Origin. The extension depended on the older webRequest API, which is now restricted.

Why is uBlock Origin Affected?

uBlock Origin, developed by Raymond Hill, is known for its advanced filtering capabilities. The extension uses the webRequest API to block unwanted content before it loads, offering a highly customizable ad-blocking experience.Chrome Manifest V3
With Manifest V3 restricting the webRequest API, uBlock Origin no longer functions as intended, prompting Chrome to automatically disable the extension for many users. Google has labeled the extension as "no longer supported" in its browser.

Developer's ResponseuBlock Origin Lite

In response to the changes, Raymond Hill introduced uBlock Origin Lite, a new version of the extension that complies with Manifest V3 requirements. However, this version offers limited filtering capabilities due to the API restrictions.
Hill has publicly criticized the Manifest V3 rollout, claiming that the new API limits users' ability to control their browsing experience effectively.

User Reactionsmanifest-v3.jpg

The decision to remove uBlock Origin has triggered widespread backlash among users and privacy advocates. Many have taken to social media to express their dissatisfaction, arguing that Manifest V3 prioritizes advertisers over users.
Popular alternatives for users, who are seeking effective ad-blocking include:
  • Mozilla Firefox (Still supports Manifest V2 extensions)
  • Brave Browser (Built-in ad-blocking)
  • uBlock Origin Lite (Limited functionality on Chrome)

What's Next?Brave Firefox

Despite the backlash, Google remains committed to its Manifest V3 rollout, citing security and performance benefits. The transition marks a significant shift in the browser extension landscape, forcing developers and users to adapt.
Privacy advocates continue to urge Google to reconsider the limitations imposed on ad-blocking tools, while many users are exploring alternative browsers that prioritize user control.

Conclusion

The removal of uBlock Origin from Google Chrome highlights the growing tension between user privacy and corporate interests. While Manifest V3 introduces key security enhancements, it also restricts users' ability to block intrusive ads effectively.Chrome.jpg
As this decision sparks widespread discussion, will you adapt to the changes or explore alternative browsers for better control over your online experience? Share your thoughts below!
 
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