Going, going, or gone:
There used to be an entire wall of "Wonder Bread" which is now gone.
We used to see cardboard boxes of lard stacked up in the deli area.
Jars of pickled pigs feet were prominently displayed.
The margarine section has shrunk.
Grade B eggs. ('checked' eggs)
Packaged cow stomach and kidneys in the butcher section.
Meeters Kraut Juice

More is better and most is best:
A lot more and better produce, salad greens like arugula, sprouts of all kinds (sunflower, daikon, bean, alfalfa) jicama, fresh mangoes, fresh fruit year-round from 2 hemispheres, satsumas.
Better herbs and spices, too many to name, better hot sauces,
Artisanal breads.
Predictions:
Sugary drink/soda section is going to shrink or be replaced.
What changes have you seen? What changes do you predict?
yrs,
rubato

