It's currently experimental only use it if you're comfortable with making changes to the Windows Registry (which you may need to do if something goes wrong).

Use high-resolution scrolling: This setting allows smooth scrolling for high-resolution touchpads.

Use old Drag & Drop system: Turn on if some other programs don't accept drop operations from One Commander (in other words, they stop accepting files that you are attempting to drop in them).

Fix Stylus lag: May help if you are experience lags in response to stylus operations.

Check and notify when there is text on clipboard: This refers to the notification that appears when you return to One Commander and there is text in the clipboard.

How One Commander deals with reparse points: If you don't know what these are, then you don't need to worry about this setting.

Check and notify when there is text on clipboard: Stops One Commander notifying you when you return to One Commander and there's text in the clipboard.

You can edit the list of files that are excluded from watching, or track down what might be causing the problem if you encounter a 'Something is spamming your filesystem with file changes errors' condition.

Watcher issues: this refers to the way that One Commander watches for changes in files and folders, so that the file and folder display is kept up to date.

Rendering: how the One Commander window is rendered (i.e.

They are explained in detail in the tab, and they cover:

These settings really are intended to be used only if you have to most users will never go near them.

One commander file manager