Icebuilder has a bug tracking system which details bugs reported by users and developers. Each bug is given a number, and is kept on file until it is marked as having been dealt with.
To report a bug, you can use one of the bug pages listed below.
Information on submitting bugs, viewing the currently active bugs, and the bug tracking system in general can be found at the BTS
Submit an issue
If you want to submit a bug, please send and issue filling all the information required and giving as much as you can details about the bug.
You can also add proposals to the project if you have an idea or would like to add some features you think are interesting for Icebuilder. Feel free to open a proposal by selecting "proposal" in the new bug menu. Give as much details as possible.