If I want to help on PyPy3, is there any sort of mentored bugs or good first bug (similar to Mozilla's) that a beginner could get started on? I would love to co

If I want to help on PyPy3, is there any sort of mentored bugs or good first bug (similar to Mozilla's) that a beginner could get started on? I would love to contribute, but never really got to do so since I don't know where to start.