I have been looking at bug tracking for a Mozilla (Firefox) bug related to tooltips.

I was surprized by quite a few things. Here are some :

• 5 years to fix a bug ?
  • Opened: 2000-07-13 06:28 PST
  • Status : ASSIGNED        Priority : P3
  • Last modified: 2005-02-11 15:01 PST
• Threads that take up days to end up marked as duplicates
• an incredible offer :

I'm interested in attempting to fix this bug...  I'm a competent C/C++
programmer with no experience with the Mozilla code base, so I'd appreciate it
if someone could point me to the part of the code (file and lines) where
tooltips are handled, and I'll take a look.

• Even comments like this :

The problem, as I understand it, is that the bug blocking this one depends on a
person who is no longer working on Mozilla doing some work, or another person
doing a huge amount of work.  If anyone would like to fix it, many people would
appreciate it.

You still like to use OSS in your critical systems? good luck...