Eyeo, the developer of one of the widely used Adblock Plus extension, said Tuesday it's content with Google's Manifest V3 approach.

For example, it loosened the originally proposed rule limit and added a new mechanism for applying some rules. The search giant says it's listened to developers and modified Manifest v3 in response. Google has defended its technology and argues that granting extensions too much freedom invites abuse. That could let websites bypass extensions - and the preferences of people who installed them. They said the rules limits will stop their extensions from running their full lists of actions to screen ads or block tracking. Reducing the number of rules allowed angered creators of extensions like the uBlock Origin ad blocker and the Ghostery tracking blocker. Google announced the changes two years ago. Rules are used, for example, to check if a website element comes from an advertiser's server and should therefore be blocked. Among other things, Manifest v3 limits the number of 'rules' that extensions may apply to a web page as it loads. Extensions using the earlier Manifest v2 will still work for at least a year.Įxtensions can change Chrome's behavior through abilities that Manifest v3 exposes. Manifest v3, the programming interface behind Google's security plans, will arrive with Chrome 88 in mid-January, Google said Wednesday at the Chrome Dev Summit. The move had angered some developers who expected earlier it would cripple ad blockers. With the next version of Chrome, Google is moving ahead with a plan to improve privacy and security by reining in some abilities of extensions used to customize the browser.

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