I have been wanting to buy a license to get rid of the license nag pop up, but wasn’t sure if development was ongoing since it had been quite a while since the

I have been wanting to buy a license to get rid of the license nag pop up, but wasn’t sure if development was ongoing since it had been quite a while since the last release. Also, I figured Sublime Text 4 might be coming down the pipeline soon. If I buy a license, does that cover potentially upgrading to the next major version? If not, is there a roadmap for version 3?