If the movie will only release in 5 days from now, how the hell people aready know the entire plot?

can someone please explain to me how is that there are people saying the entire plot of the movie aready? like, i'v been seeing all around that there are people who aparently know the entirity of the movie from beggining to end! were those people test screeners? who watched the movie before anybody else and are spoiling it?

honestly, the only reason that i was looking around, was because i just want confirmation that Kimberly and Thomas are in fact alive and we can forget that deleted scene from the 3rd movie, i ust want to know that at least SOMEONE from the movies we watched managed to survive death's plan and will be able to die of old age... that is all i want...

so basicaly, are those spoilers real, test screenings that might be changed, or just guessing? and is there any confirmation that denfltly states "yes, kimberly and thomas are defntly alive and will be able to live a long happy life" honesrly i wish that the characters from every single movie who survive at the end managed to have that... i realy hate when the horror movie just kills everybody...