If you want to try the original, native StarEdit, the final official version can be found in this thread. Like TimeLord mentioned, Bliz stopped supporting it after that version, which means they stopped developing it as well.
It’s only from about 10 months ago so it may still work fairly well. But as time goes on and more changes are made to Remastered, functionality may slowly degrade, and ScmDraft will be all that remains.