When Fusion 360 crashes (which is incidently still far, far more common than it should be), it launches a process «senddmp» which, itself, often hangs and ends up using a ton of CPU time even after killing the frozen crash reporter.
In the last few days alone, I've had a couple dozen crashes where the crash reporter froze before sending the report in or completing the process (no way of confirming one way or another). My MacBook Air's fan has been running constantly which I attributed to Fusion 360 constantly churning (which is another issue) but then I noticed it was still going even though I stopped using the program last night. I looked in Activity Monitor and saw a few instances of «senddmp» running, each using 100% of a hyperthreaded core so I'm guessing it's a single thread caught in some sort of a loop.. all of the above is super annoying and should be fixed before you start charging 🙂