Tasha's cauldron of everything

"The wizard Tasha has gathers bits and bobs of precious lore during her illustrious career as an adventurer. Her enemies wouldn't want these treasured secrets scattered across the multiverse, so in defiance she has collected and codified them for the enrichment of all! Baked in you'll find more rule options for all the character classes in the Player's Handbook, including more subclass options. Thrown in for good measure is the artificer class, a master of magical invention"--Provided by publisher.