So I encountered this issue at least 20 times during my current project. Issue is on latest version 24 and latest 23 build. I work on Windows 10, i9 9900K 128GB Ram, RTX2060S.
You can find the bug/glitch with the attached link.
Sliders do not affect the selected clip and sometimes reset the whole grade or affect other clips instead.
Absolutely unusable and a complete time waste. Really considering switch to Resolve for grading.