Most Frequently Reported Bugs in Trac

We have lots of tickets and lots of users, so it's not unlikely that sometimes a bug will be reported twice, or thrice, or … dozens of times for some!

Here's a short list of the issues with a pathologically high duplicate rate:

• #4311: Attaching files won't work with Trac < 0.10.4 and Python 2.5
  search:"'cStringIO.StringO' object has no attribute 'len'"