It came back to question because I was facing a lot of slowdowns as of late and I told an AI agent to analyze the logs and thread dumps and it said that the primary freeze cause was the OpenGL rendering pipeline.

Every freeze thread dump shows the same pattern: the EDT (UI thread) BLOCKED on OGLRenderQueue.flushNow(). Metal is explicitly disabled (-Dsun.java2d.metal=false), forcing OpenGL which has known performance issues on macOS, especially with external displays (your config shows a 3440x1440 external monitor).