The mod you are looking for, for increased render distance, is called bobby. Just like that exact shader pack it is one of my favorite modifications to "vannila" minecraft.

I prefer to turns the real-time-shadows off because that sometimes feels like added gameplay you need to consider when you are building something

I also recommend 3d-skin-layers and using modrinth instead of the less open curseforge where possible.

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A followup comment, I just installed Distant Horizons. I left it at default settings, except turned LOD up from Med to High. I think this is exactly what I was looking for.

you guys have computers?