contains: distant horizons (massive increase in render distance)
sodium, lithium, starlight & ferritecore (preformance)
roughly enough items, roughly searchable (adds crafting guide and searchable chests with ctrl + i)
and simple voice (proximity chat)
THIS PACK BREAKS SUPPORT FOR SHADERS. simple voice requires server-side support to function, if the server you play on does not have this the pack will still work, but you won't have proximity chat.