MMU2.0 Slic3r Bug?
So while fighting with the MMU 2 like everyone else here, I think I found a bug that could be a cause for some of the issues. While adjusting the "Toolchange Parameters" for how the filament switches, I noticed while watching the switch that the parameters are only applying to Filament 1. After that, it seems to go to a default setting for all the other filaments. So even if you dial in the correct speed for a good tip on filament 1, it won't continue to the other ones! Anyone else see this? Or is there a setting I am missing? It is very obvious when watching the change with a fairly quick "Speed of first cooling move" and "Speed of last cooling move".
If you want to replicate, just use "10" for First cooling move and "50" for last cooling move and you should see a really quick cool on filament 1, but 2-5 go back to a very slow cooling cycle.