Undo and Redo
You can undo and redo just about any operation in Serum, encouraging you to effortlessly experiment in your sound design.
You can access the undo and redo buttons in the Serum header, near the top right.

Click the button to undo your last operation (such as a change to a knob or an LFO shape, among others).
Click the button to redo the last undo operation. This allows you to quickly compare and evaluate changes to your sounds side by side.