I have tested the same Impress file on several different Windows 10 Pro computers and discovered the following:
Fade smoothly transition works properly on at least four computers that have Intel Graphics on the motherboard. (Jerky transitions on some Intel computers before downloading latest drivers.)
Fade smoothly transition on some AMD Radon graphics computers is jerky with flashing, and on one computer with an AMD motherboard crashes the program.
Unknown graphics adapter on Lenova Laptop running Linux Mint 19.1 the Fade smoothly transition is jerky and flashes.
Len Nasman, tech support for the Bristol Village retirement community computer club.
Steps to Reproduce:
1.create several 16:9 slides
2.Set automatic slide advance
3.select Fade, smoothly option, start slide show
Noted in description
Different results with different display adapters as noted in description
User Profile Reset: No
Some other slide transitions are faulty on some display adapters
Looks duplicate, you should search before reporting.
*** This bug has been marked as a duplicate of bug 91456 ***