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Introduction

Google Chrome is widely known for its versatility and user-friendliness, thanks in part to its robust extension system. As one of the most popular browsers globally, Chrome has over 1 billion users who actively rely on more than 150,000 extensions to help customize their browsing experience. To keep pace with evolving technology and maintain security standards, Google periodically updates its extension manifest file format. In this article, we'll explore the latest version, Manifest V3, touching on its migration progress, advantages, disadvantages, controversies, and other interesting aspects.

Manifest V3: An Overview

Introduced in 2018, Manifest V3 aims to enhance user privacy, mitigate malicious extensions, and improve performance. With an increased focus on security and privacy, V3 introduces several changes, including a shift from background pages to service workers, revamped API access, and content security policy enforcement. These changes affect how developers build extensions and raise questions about compatibility with older extensions.

Manifest V3 migration progress

Migration progress - Extension
Extensions migrated to V3 (as of 2024-11-21): 62.73%
Note: This chart only includes Chrome extensions. Themes are not included in this chart (Themes are not affected by Manifest V3 migration).
Migration progress - All items on Chrome Web Store
Overall V3 migration progress (as of 2024-11-21): 55.64%
Note: This chart includes Chrome extensions, Themes, and legacy Chrome apps.
Migration progress - Themes
Themes migrated to V3 (as of 2024-11-21): 51.02%
Note: This chart only includes Themes (though Themes are not affected by Manifest V3 migration). Chrome extensions are not included in this chart.

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