"The next-generation Subaru WRX and flagship WRX STI may return to a two-door coupe for its next generation.
The company's development partnership with Toyota could extend to the WRX duo, not just the next-generation BRZ and Toyota 86, according to Japan's Best Car
Part of the WRX's appeal are it's usable form factors. A 2 door is a fine addition but dropping the sedan or hatch wouldn't be a good idea.
Hopefully Toyota does not dilute the goodness (and what are they doing with Mazda?).
Might as well post this while I still have the ability to post.