The 4.5 release (originally launched in late 2022) included several workflow enhancements:
Users can add built-in gradients, transparent backgrounds, or custom images behind their captures. It also supports "autobalance" to center the shot and adjustable padding/shadows. CleanShot X 4.5 FiXED
New commands like CMD+D to duplicate objects in the annotation editor and CMD+C within the All-In-One capture mode. Important Security Note CleanShot X 4.5 FiXED
The Crop Tool was updated to automatically detect and match the background color when expanding a canvas. CleanShot X 4.5 FiXED