Modern ad blockers use humongous lists of rules to ensure users get ads removed, often working with more than 100,000 filters. Also, dynamic rules (those that support user-defined rules and filters) are limited to just 5,000, meaning AdGuard will apply only the first 5,000 rules while keeping the rest inactive.ĭo not let the 30,000 number fool you. Chrome allows no more than 30,000 rules per extension and 330,000 rules for all installed extensions. One of the most significant downsides of AdGuard's Manifest V3-based ad blocker is new rule limits. Although the new extension has some notable limitations compared to the current version, it proves that ad blockers will survive the Manifest V3 apocalypse. The company says it started prototyping the new extension in mid-2021 and, since then, has overcome (or learned how to deal with) many technical hurdles and obstacles. Although many developers raised their concerns that Manifest V3 would kill ad blockers, AdGuard, a company behind one of the most popular extensions for blocking ads, has just released its first Manifest V3-based ad blocker.ĪdGuard describes its tedious journey to get its extension Manifest V3-compliant in a lengthy blog post.
Due to its restrictive policies, Manifest V3 faced severe developer backlash, and, to make things worse, Google said it would disable all Manifest V2 extensions in January 2023.
In 2018, Google announced Manifest V3-a new set of rules that govern what Chrome extensions can and cannot do.
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