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1. Clicking on the ground to move. My character will spasm in place once and just stand there. They will do this multiple times often. I have to click and hold in order to move. Also, when I click on objects the same thing will happen and I have to click multiple times before they will interact. Very frustrating.

Yeah, it is a know issue, albeit rare, and was reported few times before. Mind to specify all possible details for your PC specs? OS, gpu,cpu, ram, etc.