.. _development_model: Development Model ################# .. toctree:: :maxdepth: 1 release_process proposals code_flow dev_env_and_tools issues api_lifecycle communication documentation Terminology *********** - mainline: The main tree where the core functionality and core features are being developed. - subsystem/feature branch: is a branch within the same repository. In our case, we will use the term branch also when referencing branches not in the same repository, which are a copy of a repository sharing the same history. - upstream: A parent branch the source code is based on. This is the branch you pull from and push to, basically your upstream. - LTS: Long Term Support