Since a week or so (nothing changed except maybe newer cura version), my UM2+ finishes a print by starting to grind the filament at the end at higher speed whilst pushing out a huge blob of material on top of my print. Any ideas where I need to start looking to see what happens? I use Cura 3.2 to slice my models.
I talked to Daid and he did some very impressive debugging and tracing from my description and found 2 bugs in the firmware that led to this together with a bug in Cura.
There's a bug in Cura 3.2 that it doesn't output the custom settings in the g-code any more. We knew about this one and it'll be fixed for 3.3.
In the firmware, it would check for the file being completely read and the g-code buffer being empty. If both are true it would call an abort function on the print that wou