Ver. 4.1.1. Soundfonts list taking a long time to load
Opening the soundfonts list for a specific instrument in the mixer is taking a longer time to load than in 4.1.0. MS4 freezes for around 2 seconds right as the mouse hovers over "SoundFonts" in the sounds selection. Freezing time increases with every subsequent opening of the "SoundFonts" menu, and seems to reset when restarting MS4. The problem is alleviated a bit by removing sounds from the SoundFonts directory.
This problem didn't occur in ver. 4.1.0. Could possibly be less noticable on better hardware.