I haven't had any issues that many others have pointed out having. If you have issues, read the documentation, or reach out to the developer -- but realize they are a one-person show and it may take time to weed through the hundreds or thousands of requests to get to yours. This is a freely provided add-on, and for that I am thankful and grateful for the work of the dev.

If you are considering an install of the add-on be aware that issues may arise from time to time due to how Youtube updates their code constantly. Those updates can temporarily break this add-on until the dev has a chance to resolve the particular issue with the code update.

In an ideal world, Youtube wouldn't break developers' hard-worked code by changing features or functionality, and the developer would have unlimited hours to work on this singular add-on. We don't live in that world, so please remember to exercise patience when things happen.