I've noticed that there seem to be issues with the syntax highlighting.
Take this recent post as an example:
Clearly, the question is tagged r. Thus, R syntax highlighting should be applied. However, it isn't. You can easily see that because comments (starting with
#) should be grey. I suspect a default (C?) highlighting is applied. The strange thing is that in some posts correct syntax highlighting is used (example) and in some not.
Here is a screenshot from Stack Overflow showing the correct syntax highlighting: