I was at JSConf almost 2 weeks ago, where I gave a talk about Roy. I then went on holiday in San Francisco and met up with heaps of cool people.

On the flight back I was able to make a CodeMirror2 mode for Roy. Then I added it to the Roy website:

Another change (that I should have done a long time ago) is getting type errors to print out line numbers:

This was also initial work to getting Source Map support.