FPS issues after new patch

after the latest patch my fps has been horrible games are crashing or freezing out and I dont know why

Intel I9 9900KF 2x Kingston HyperX Fury Ram MSI RX5700 video card Coolermaster 650w Power Supply Coolermaster ML240 Liquid Cooling

its only league every other game plays perfectly yet this one keeps dropping fps no idea why, it worked fine right up until the last patch