editing HDR videos

Hey, When i edit an HDR video at latest version of IOS 18.1.1 on Iphone 13 pro max when i try to change at adjust of any option like brightness or something else video automatically changes at adjust and when i undo of that change that i do video still at that change like if i brightness change to 15 video change at adjust and when i tap to brightness to get off change but video still have that change i noticed that after IOS 17 changed to 18 and i waited to new update but this is the 2 update coming after 18 but this issue still not resolved, Please help what can i do or how to contact apple to resolve this problem, Thank you