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There will always be a master and a develop branch. The current develop branch is 4.x - once we reach the next major milestone it will be 5.x and so on. This is the branch where we do our daily work. When we implement a new feature, we will add a feature branch and develop this particular feature there, e.g. feature/webapi. When we're confident it's ready to be released, we merge it with the current develop branch.
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