I've got an FT-5 that I had for about 2 years now. I've got the heat bed adapted with an aftermarket heater so I can actually get the bed temp high enough to print ABS. All is working well. Well, until I upgraded to the latest Cura 3.6.0. Before this, I've been using 15.04.6 with great results. When I run with the new program, I get random shifts in the slices. The taller the build, the crappier, shiftier the print becomes. The only thing I changed was the the Cura version. I can still use the older version but there are some better features in the newer version. Has anyone experienced this?