Shared content not showing up.

I'm trying to build a blade singing wizard but none of my friends shared content isn't being provided.

I've synched my entitlement and that actually removed base sub classes from my level 3 wizard. At the moment i can only choose Evoker.

I've checked if my friend is sharing Tasha's cauldron to everything. I have it in my library no issues there.

This happens every time i make a new character. 

Help from anyone would be appreciated.

It sounds like the character you're trying to make is not actually joined to the campaign where the content is being shared.

Character options from content sharing can only be used on characters that are actually in that campaign.

so i forgot to mention that i am in the campaign but the result is the same. ive also signed out and back in. the other subclasses are there just not blade singer.

Update: My DM has to manually add blade singer to my class. Problem solved!

Also worth pointing out that if you see a subclass called "Evoker", then you're using the 5.5e Wizard class. If you want to use the 5e Bladesinging subclass from Tasha's Cauldron of Everything, D&D Beyond will let you do that despite it being technically against the rules, but you need to make sure the "5e Expanded Rules" source option is enabled in order to see it.