'why is modern pixijs so much slower than v3.0.0?

this is bunnymark. it renders 100k sprites at 17 fps https://pixijs.io/bunny-mark/

this is an old version of bunnymark using pixi v3. it renders 100k sprites at 165 fps (at least) https://www.goodboydigital.com/pixijs/bunnymark/

old pixijs v3 is oredrs of magnitude faster than modern pixijs. how can i render that fast with modern pixijs???

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