Dear Ultimaker Team,   we have been waiting for such a long time, not being able to use our machines due to essential problems with filament change and now the new version 5.8.1 is released and I must say, it is a disappointment again. There is no improvement and the issues remain. You may have been working on it and tried to fix issues, but what I can say is, it has failed. The filament is still shown as "in use" and there is no way of unloading it, except with pure manual v