A New Google Chrome Update That Could Limit Ad Blockers Is Coming in 2024

Google's persistent efforts to transition from Manifest V2 to Manifest V3 for Chrome extensions have faced delays and considerable backlash. The latest update reveals that Google is resuming the transition, aiming to disable Manifest V2 extensions in pre-stable Chrome versions starting June 2024. This move could have far-reaching consequences, particularly for ad blockers and other popular extensions.

Resuming the Manifest V3 Transition

In a recent blog post, David Li, Google's Product Manager announced that the transition to Manifest V3 will recommence. From June 2024, pre-stable versions, including Dev, Canary, and Beta channels with Chrome 127 or later, will witness the disabling of Manifest V2 extensions. This includes the automatic disabling of previously installed extensions and a restriction on installing new Manifest V2 extensions from the Chrome Web Store.

Gradual Changes for Stable Channel Users

Stable channel users can expect a slower rollout of changes, with Google planning to observe and stabilize alterations in pre-stable versions for at least a month. This implies that stable Chrome users might experience these changes starting July 2024 at the earliest.

Manifest V3: Filtering Rule Limitations and Impact on Extensions

The Manifest V3 extension format, introduced on the Chrome stable channel in 2021, brings a significant change with a filtering rule limit. Initially paused in December 2022 due to backlash, the transition is now back on track.

Limitations on Filtering Rules and Resource Consumption

One crucial change in Manifest V3 is the introduction of a limit on the number of filtering rules an extension can offer. While initially capped at 5,000, Google increased the limit to 30,000 after facing criticism. The goal is to make Chrome lighter on resource consumption and enhance user privacy from extension developers.

Mixed Reactions and the Role of Ad Blockers

The limitations imposed by Manifest V3, especially on ad blockers, have garnered dissatisfaction among users, leading some to consider switching to alternative browsers. The cap on filtering rules could impact the effectiveness of ad blockers, altering the browsing experience for users who heavily rely on these tools.

Positive Outlook from AdGuard CTO

Despite concerns, Andrey Meshkov, CTO of AdGuard, expressed optimism about Manifest V3. He acknowledged the efforts of browser teams, particularly Chrome, in developing a unified platform and addressing feedback from extension developers. Meshkov believes that ad blockers can adapt to the changes and continue to improve under Manifest V3.

Beyond Chrome: Google's Approach on Ad Blockers

In a parallel move, Google has also taken steps against ad blockers on YouTube, going as far as introducing artificial loading times to video playback on browsers such as Firefox.

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