Why are you looking at a gift horse in the mouth? Apple is making the source open, is paying its staff to maintain the open-source repositories and shepard the development of the code, not all of which is directly in its interests other than to have a robust language for its use, work on the code for the compiler and supporting infrastructure in the open, and is allowing contributions outside developers choose to make in a controlled manner, through the evolution process.
If you want a roadmap for Swift itself, keep up on the evolution forum. And, for each planned release, there are goals that are established at the beginning of the cycle for that release, through the evolution process. Also, if you read the various manifestos on Swift.org, you'll get a general gist of where the direction of the language and infrastructure are going.
This process allows a lot of flexibility for the Apple and the community to adapt priorities to circumstances
The community is picking up ports to Windows, other Linux distributions besides Ubuntu, other operating systems.
What support do you want from Apple that Apple is not already giving?