I have terrible latency and jitter in ps4 is that related to home network? I installed sqm with qos nftables and I reduced the bandwidth for all ip except my ps4 ip and also I dropped packets above 21/sec by hashlimit for all ip except my ps4 and still getting high jitter
You provide no information. (This made me recall who you were.)
Again, (in fairness and out of respect for those taking time to respond) you should probably note that you've created multiple threads; and that your ISP is suspected as the cause for your poor gaming connection: