The fan speed can't be controlled during a print. I'm happy that I can switch the fan on and off, but some times I don't want it running at 100%.
This is really just a nice-to-have, so should not take high priority...
I came on to ask on this very thing. To me it is a must have critical thing. Seems silly it isn't build in really
I also would like to see this feature, it's very usefull when temperature decreases due100% speed, and it must be set to 50%~75% sometimes before or during the print