Performance deficience

The game performance has decreased a lot. This update suposed to have an optimization, but it doesn´t run better at all. In the 1.14.4 update, I played with 5 chunks, and it runned at 30-60 fps, but now I play with 2 chunks and it runs at 10-30 fps. My PC didn´t change. There are much less graphic options and there´s no zoom. Please fix it, the game now is almost unplayable. I can´t show images because my PC screenshots don´t show the fps, but they have like 18 or 12 fps. And there is nothing that brights in the hand.