These are a couple of big bug fixes, but all bug fixes and new features can be found in the Releases change log.

Empty Pads Bug Fix (2.4.0)

In Sample Pack Mode, kits would sometimes get created with sporadically empty pads. This includes the very first kits made in the output, which should have the most pads filled. Additionally, too many kits were being created, spreading the samples out, instead of making a smaller amount of “full” kits. This would occur even if the “Fill All Pads” preference was enabled (which is on by default).
Version 2.4 also has additional improvements in how kits are created.

Update to Kit Maker 2.4 here!

‘Making Kits’ Freeze/Stuck Bug Fix (2.4.1)

In Sample Pack Mode, certain folders would cause Kit Maker to get stuck on the “Making Kits” process screen. This has been fixed in version 2.4.1 and

Update to Kit Maker 2.4.1 here!

If you encounter a situation that still triggers this, let me know the details in the help form.