This release - accepts a hyphen in the Slider Configuration window's "Lower Bound" and "Upper Bound" boxes so that negative numbers can be entered (tnx to Wes WZ7I) - improves responsiveness to frequency changes via a mousewheel when controlling a Yaesu FT-8x7. (tnx to Dan K3ZXL) - provides a new "Disable Save Buttons" checkbox on the Config window's Memories tab that when checked disables {grays out} the Save buttons in the Main window's "Memory Bank" panel; for rapid access to this new checkbox, clicking the word "Save" in the Main window's "Memory Bank" panel displays the Config window's Memories tab (tnx to Tim NZ8J) - updates the Configuration.htm, and UsingMemories.htm documentation files Commander 8.5.1 is available via the DXLab Launcher and via 73, Dave, AA6YQ