I don't know about trendiness, but I think that the one with the flatter/more flush profile gives better distribution of light, less like a spotlight. So I prefer those for ambient light.

Most important is the color temperature (Kelvin’s) and CRI. Some of these give off really muddy light so you want to be above 90 CRI. Color temperature I usually use 3000. 4000 is called daylight but looks too commercial- many people like it.

Make sure these are not integrated LEDs I like really good clean light in a basement so I have 4" pots with LEDs 4000K .

I would use one like that closest to the photographer as its lens is recessed slightly which may result in less glare. If the switch visible at the bottom of the photo is attached to that light, then the light's color temperature is selectable. That's useful. (I prefer 2700K -- warmest -- or 3000K but it's your decision).

I'd use 4" lights such as these Halo RL4DM. Large, 6" lights are old-fashioned and ugly.

Most modern? Go trimless like this Commercial Electric 91582.

@Patricia Colwell Consulting: "Make sure these are not integrated LEDs"

They are and there's nothing wrong with them.