Due to the limitations of the Chromium embedded platform—a la, lack of browser features—the plugin won't run effectively in earlier versions of photoshop.
Ideally, the plugin would support as early as CS6.
Adding buble and such helps a bit, but it's not a perfect solution.
Some work was started within cep7-support branch, but there's quite a bit more to do.
Due to the limitations of the Chromium embedded platform—a la, lack of browser features—the plugin won't run effectively in earlier versions of photoshop.
Ideally, the plugin would support as early as CS6.
Adding buble and such helps a bit, but it's not a perfect solution.
Some work was started within cep7-support branch, but there's quite a bit more to do.