Please post bugs you think you may have found or potential feature requests here. But please be aware that PTB is open source and there is is only one main developer who contributes their spare time to this project–be kind and have reasonable expectations.
If you are sure you have found a bug, you may instead wish to post to the PTB issue tracker. The issue tracker is the only place where bugs and feature requests are managed, and thus the place to post to make sure they are not lost.
When posting bugs, please provide sufficient information. Please make sure you read this post before posting. No one can help you or investigate further unless you provide a clear description of the software environment you are using and the suspected bug…