To be honest, I am quite happy with the Graphics Settings I came up to last month. Followings are some more finetunings (highlighted in purple in image below) I revised over the month. 
In short, four more items were furthered lowered to squeeze out a few more fps without sacrificing visual quality.
BTW, there’s a video on YouTube by Dwindling FPS, which compares different graphics quality under various settings. Quite informative.
There’s even an optimal recommendation at the end of the video. Try it yourself. Your mileage may vary.
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FS Times 