A bug of Paris' challenge versatile assassin

Again, after this month’s patch, the challenge versatile assassin of Paris still stops at 4/5 and can’t be unlocked. Still hope this problem will be solved next time.

Post all found bugs in a special dedicated thread:

Developers are watching closely that thread and if you posted something there, most likely your message seen.
If you will post something about bugs in other threads the developers may not see it and will not fix