Keyframe-lag makes it stick to the mouse.
- Select a keyframe by clicking the mouse on a keyframe
- Move the keyframe with the mouse
- Let go of the mouse and quickly drag it away.
- The keyframe will follow some milliseconds and create chaos and mayhem.
When releasing the mouse, wait for a second before moving the mouse.
Solution in the future?
When releasing the mouse, the keyframe is released within 0.0001 msec.