Btw this uses Fabric
Simply Optimized Modpack (You can use another optimization modpack if you don't like SOP)along with...
ContinuityThese Following Vanilla Tweaks:
No Java Edition Subtitle
Classic Menu Panorama (Don't use this if you are going for the beta feel)
Old Enchant Glint
Zombie Pigman
Blue Widget Highlights
Oarless Boats
Terracotta to Hardened Clay
Dirt Path to Grass Path
Old Shulker Colors
Old Wool Colors
Bed Icons
Poppy to Rose (If you want 1.7.2 and before feel)
Also grab these if you are going for the beta feel. Also good for Alpha/In(f)dev
Alpha Minecraft Logo (If you want early beta)
Dirt Background
or
Beta ContinuumVanillaTweaks
The Original Minecraft Logo
C418 Songs Only
Glass Pane Culling Fix
Default Connected Textures
Golden Days Alpha (Download this if you want Alpha with Golden Days)
Golden Days Base / Beta Continuum
Programmer Art Ultimate
Programmer Art
Fabric Mods
Default Textures
I got these from u/DragonRufus on Reddit.
Here's the post!