Minecraft wiki entry for Best_biomes_for_homes, associated text: Spruce wood is plentiful here.
Ice farms and snow farms can be built here and do not need to be built higher than y-95, unlike the mountains.
Wolves and foxes can be found and tamed here.
Igloos spawn, which give a brewing stand, golden apple and some Potions of Weakness.
Berry bushes sometimes generate here.
Villages can generate here‌[Bedrock Edition only].
The buildings are identical to those in a taiga.
Pillager outposts can generate here.
Snow golems are easy to mass-produce because of the abundant snow and pumpkins from villages.