Making the rounds recently is a patch for MRI Ruby 1.9.3 from funny-falcon. It backports some changes coming in Ruby 2.0 that improve start-up time and method lookup. A second version of his patch also backports some changes to the garbage collector to make it more friendly to copy-on-write.
Earlier this week, Sucuri Security researcher Daniel Cid revealed that a very large number of popular sites expose their /server-status page to the world.
I was pretty sure the sites I run for myself and my customers were OK, but since paranoia is a good trait of a security-conscious techie, I double checked. Imagine my surprise when I found that one of my sites did the very same thing, as did one of my customer’s.