For Tales from the Yawning Portal are complete adventures, or just the dungeons featured in them?

Tales from the Yawning Portal Launch Event

Forbes Video: Designing D&D’s ‘Tales From The Yawing Portal’

Tales from the Yawning Portal is arrived, with Disclaimer of course!

HEROEs!
On Reddit users sks_innawoods  Zathrus1 keeto has the adventure book and give some news

  • new monsters
  • new magic items
  • Sunless Citadel has tons of characters
  • Sunless Citadel is about 25 pages in length
  • Sunless Citadel is at least 4 hours of play

So I found this. from dndnext

Tales from the Yawning Portal: Disclaimer

Can you tell us a bit about Tales from the Yawning Portal?