This happened, because of lazy initialization of clicked retiming keys. When the key is moved, the speed changed in respect to strip start, not (uninitialized, but drawn) key at left handle. Initialize both keys when any virtual key is selected.
This happened, because of lazy initialization of clicked retiming keys. When the key is moved, the speed changed in respect to strip start, not (uninitialized, but drawn) key at left handle. Initialize both keys when any virtual key is selected.