Not that anyone asked for it, but here's a video of me using no lift shift on track in my '19 ZLE.
https://youtu.be/xBNCI-at0vU?feature=shared&t=14
I use NLS for 3rd to 4th on the front and back straight, and for 4th to 5th on the back straight.
And this is where I NLS from 2nd to 3rd in roughly the middle of the lap, exiting T6, accelerating toward T7:
https://youtu.be/xBNCI-at0vU?feature=shared&t=76
Careful with the volume level of video playback, the external mic was on the back of the car (at the juncture between the edge of the trunklid and the taillight).