The ones that demand reproduction always get me. I get it: reproduction instructions make it infinitely easier to repair software. On the other hand, there are

The ones that demand reproduction always get me. I get it: reproduction instructions make it infinitely easier to repair software. On the other hand, there are many cases like race conditions that can be very hard to reproduce and sometimes you can get enough context from stack traces/logs/debug info to figure out and fix the problem anyway.