Undo

vvvv beta question
1

hi,
Is there default level of undo?
how to understand speed undo/redo?
can I limit/set levels of undo?
can I clean undo history?
thanks,
dimi

2

undo (vvvv)

you can set speed with this node, but levels is set I think

3

thanks, i know this node. what speed value means? speed of execution?