lesser diamonds spawning after the 1.17 update

the diamond ores are spawning in a rarer amount than they had been before the 1.17 update. this issue is faced by many of my friends who are playing the same version as mine.   I have uploaded some images. so as you can see, this is the whole diamond generation in this whole area cleared out. I hope you will fix these issues and make diamonds more common as they were before the 1.17 update.