I work at Splunk - we're in the process of upgrading to Python 3 support. It's about as much of a nightmare as you would expect with a 15 year old codebase with

I work at Splunk - we're in the process of upgrading to Python 3 support. It's about as much of a nightmare as you would expect with a 15 year old codebase with [essentially] plugin support (by way of external Python code in Apps). The good news is, we've entered Beta!