Everything that doesn't fit anywhere else, but obviously requires to be fixed.
Improvements to the portable runtime that allows to compile the same code with tsc.
Improve documentation, i.e. the README, wiki, website, etc.
Improve our tooling, i.e. to integrate into existing workflows.
Support as much of WebAsssembly, in terms of features, as possible.
Various enhancement for making generated code more efficient.
Support as much of TypeScript, in terms of syntax, as reasonable.
String, Array, Map, Set etc.
Automatic memory management using an allocator and a garbage collector, linked to the new keyword.