If you find a bug you can report it here. Before submitting a new bug check to see if it has already been reported.
Steps To Reproduce
When creating a bug report ensure that you provide a good set of steps that can be followed. These steps will help to ensure we experience the bug as you saw it and when a fix is deployed those steps can be tried to ensure it is actually fixed.
When Will My Bug Be Fixed
Bugs are are prioritized as they come in and every two weeks. System breaking bugs will be addressed as quickly as possible while low impact or severity bugs may hang around for a bit.
Creating multiple bug reports for the same issue is not needed unless there are different steps to reproduce or more information is available.