From Guild Wars 2 Wiki
A bug is an error (in performance) or a flaw (in design) in a game which prevents it from working as intended. This includes things such as graphical glitches, incorrect processing of player input, or other features not working properly.
 See also
- Category:Bugs includes all articles that describe one or more bugs (ArenaNet's official database of bugs includes many others and might not include all of these.)