For more information see here Bug Report Template Build:1.8 experimental II 3823 Mode:solo Mode:normal exploration SERVER NAME: SEED-ID:akua 922408 If applicable: MODIFIED PLAYFIELDS: Reproducibility:always Severity:medium Type: Summary: LAG when using default starter public SV, Description: rotating z,x ,y cause lots of BIG FlyLAGS ( warning playing with full graphical parameters, and three screens ( 5,3k x 1,8k ; core i9 +rtx2070super+SSD+16Go Ram should not have this problem). Only going Front with High speed with SV do not cause this problem . Seems to be a problem with the rotation routine efficiency. This problem does not exist in last 1.7 version. i experienced a crash, return to windows during a fly and a x,z rotation. in some case rotating x cause the ship jump forward with lags when you slide front too. Steps to Reproduce: 1)have a fly 2)rotating x,y,z and go ahead too 3)view big lags in world drawing Screenshots, Crash Logs, any other Relevant Information or Download links: