This is now required by chrome in order to be able to load the unpacked extension as a developer. Apparently manifest version 1 extensions are currently also being phased out of the app store - http://developer.chrome.com/extensions/manifestVersion.html
This is now required by chrome in order to be able to load the unpacked extension as a developer. Apparently manifest version 1 extensions are currently also being phased out of the app store - http://developer.chrome.com/extensions/manifestVersion.html