How to upgrade extension to manifest v2 and remain backwards compatible?
问题 I want to upgrade all my extensions to version 2 but still remain backward compatible for people that still have an older versions of chrome installed. Since multiple manifest versions are currently unsupported, I would like to know which is the lowest version of Chrome that will support "manifest_version": 2 and its properties. 回答1: Manifest v2 was introduced in Chrome 18. Using Manifest version 2 adds several requirements to a extension, the most significant being: The default Content