x3D Design App is slow and lagging

Hello, I am having issues with the 3D Innovator x3D Design App. It works but very slowly, I have checked my network connection and confirmed that it is working well. Even from the "system status" option in the design app, it shows that the network connection is good with a latency of about 500 ms.

Yet when designing with it, the app lags seriously. Are there any tips or settings I can use to resolve this. Also are there any recommended browsers for using the app. I have currently tried it on MS Edge and Brave. 

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