When I am editing card and quickly save the new state of card (by pressing ctrl + enter - not sure if it is by default or I have set it by addon Customize Keyboard Shorcuts)
The new state of the card is not saved.
I have to wait few seconds and then save it by pressing ctrl + enter
youtube video with possible bug
version: 2.1.48 (but I registered the “bug” few versions before 48)