Beta 4 of the NG series is a major step towards version 7.0 final. It sports significant stability fixes, the ability to write technical log files, human-friendly configuration files, a revamped worksheet manager and configurable keyboard shortcuts.
This is a companion discussion topic for the original entry at https://www.xltoolbox.net/blog/2016/05/beta-4-stability-keyboard-shortcuts-user-settings.html