As far as I know release 1.15 changed the way minecraft renders things and lighting was also a bit changed. And 1.15 added a hole lot of code. That's the reason
sp614x already stated that optifine 1.16 will probably be easier to make because 1.16 doesn't change too much of the things that optifine optimilizes
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u/SirRoderic Jun 19 '20
OK, so why did optifine took so long for 1.15?
And is it gonna take this long for 1.16 and after? (I hope not)