Restricting to a minimum version allows newer APIs or capabilities to only be available to newer extensions while restricting to a maximum manifest version allows older APIs or capabilities to be gradually deprecated.īefore we address this issue, let’s take a look at how the webRequest API compares to declarativeNetRequest API. These restrictions can be in the form of either a minimum version or a maximum version. Since late last year, Google has been working on “Manifest V3,” a set of proposed changes to the Chrome Extensions platform that can be classified as “breaking changes.” As the public discussion document for Manifest V3 states, the extension manifest version is a mechanism for restricting certain capabilities to a certain class of extensions. These extensions are distributed mainly through the Chrome Web Store, which is home to more than 180,000 extensions.

Extensions are small software programs that customize the browsing experience using the APIs that the browser provides, allowing users to tailor functionality and behavior to suit their individual needs and preferences. If you are an active Chrome user, you undoubtedly use a few extensions.

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