Just a general question

I hope this is allowed, but when tracks seamlessly connect, on vinyl, if they're split across separate sides or even separate records, do they just cut off abruptly? Or are records with transitions that are split apart mixed so that the transitions fade out/in? Does it depend? On CD and streaming this obviously isn't an issue.

I've had this question on my mind recently and none of the albums I own have that specific circumstance, but several albums I listen to are broken up like that when I look at their track/side listing on discogs. Thanks