I'd definetely consider Tor Node Fingerprinting (2nd issue) to be an important issue.
Nonetheless, both issues have been _accepted_ as those by Tor Maintainers, yet they failed to act appropriately.
Although I am a huge fan of Jupyter, Joel made some serious points there.
First, we should think about embedding used package versions in our notebook to enhance usability.
https://www.financial-ombudsman.org.uk/