Apparently SDL2 2.0.10 will be released soon-ish and @icculus is looking for bugs that should be looked at before: https://twitter.com/icculus/status/1130335667458908160
The current list is at https://bit.ly/sdl2010_todo
So if you have another bug (or patch) that should be fixed (or included) for the release, you should tell him soon