DrRacket crash on OS X 10.10 (Yosemite)?

I'm using DrRacket on the newest version of OS X, Yosemite, but when I open DrRacket the systems tells me that "DrRacket quit unexpectedly". I've already tried restarting the computer, and I'm sure the I have the 64-bit version of Racket, so what's going wrong here?

This is a known bug with Pango. Depending on whether you're using the 64-bit or 32-bit version of Racket, download the updated libraries:

64-bit
32-bit

You will need to grab all the libraries that contain pango in the name (libpango, libpangocairo, and libpangoft2) and overwrite the files in /Applications/Racket v6.1/lib.