You overextend your spine a little, but otherwise your squat looks fine
While I congratulate you on your PR, we need to more properly define "really heavy." 95 kg is not really heavy, especially not for a young, healthy male. Aim higher. Also, you are wearing a belt and knee sleeves at 95 kg. If you have a bad back and injured knees, do what you need to do, but I suspect this is not the case. I recommend reserving these pieces of equipment for when things get heavier and you can more fully appreciate them.