Going under covers

I would think they are exactly the same.
Just an observation; Ollie's Rocker cover gasket shows a front centre hole, corresponding to a casting rib on my 2018 made bike and just a tab on the gasket I replaced. I notice that on the info ref Resources recently posted, the hole is there. Any thoughts?
 
As promised, the timing cover gasket from my 2011 bike...

Going under covers
 
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