Is it safe to wake a hibernating language ?

I love ASP.net / C# and i love them with a passion to the point that i use it at just about any point possible i can when i develop applications.

Unfortunately that love for the language bit me in the proverbial behind. While i do keep up with whats happening in the Dev Tech market as new languages are phased in and old ones phased out i still tend too look out for the .Net specifics and tend to let the rest take a place on the back burner.
[...]