Cocos2d-Mono is currently structured with the following branches:
master- maintaining stable releases
dev- continued development
feature- developing new features
update- enhancing existing features
bugfix- fixes and resolving bugs
release- prep and stabilize releases before going out to prod
After you submit a PR, your changes will be reviewed and provided with any constructive feedback to improve your submission.
Once your changes are good for cocos2d-mono, your PR will be merged.