Unverified50% confidenceFactExact time
Starting in 2024, Google mandated that all Chrome extensions migrate to the Manifest V3 architecture, which imposes stricter restrictions on persistent background operation and network requests.
1
Sources
50%
Confidence
Long-term
Relevance
8/11/2026
First Seen
Sources
PostSnag：AI驱动的Facebook爆款内容追踪与分析工具
Related Claims
VerifiedStarting in 2023, Google mandatorily enforced the Manifest V3 (MV3) specification, changing the webRequest API from blocking mode to declarative mode and requiring extensions to request permissions at installation time.80% similarUnverifiedStarting in 2024, Google mandated that all Chrome extensions migrate to the Manifest V3 architecture, which replaces background scripts with on-demand Service Workers and replaces the webRequest API with declarativeNetRequest75% similarUnverifiedGoogle began promoting the Manifest V3 standard in 2018 and mandated it starting in 2023; MV3 limits the maximum number of dynamic rules to 30,000.75% similarUnverifiedIn 2023, Google mandatorily migrated the extension ecosystem to Manifest V3, deprecating the persistent background pages allowed in the V2 era in favor of an event-driven mechanism based on Service Workers.74% similarUnverifiedManifest V3 is the extension security architecture that Google has been mandating since 2022, which prohibits remote code execution, restricts blob URLs, and strengthens CSP.66% similar
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