It's been a long, fun day with many announcements to get to grips with. We're closing this live now, so here's a recap of the main headlines from today.
- Nicholas Pooran, Kagiso Rabada and Shadab Khan have signed for Manchester Originals, Kieron Pollard and Jhye Richardson have joined Welsh Fire, David Warner has returned to Southern Brave and Colin Ingram will line up for the Oval Invincibles. There have been 28 domestic signings with England's Olly Stone and Saqib Mahmood both earning deals.
- Sixteen women's signings have been announced - with England's Tammy Beaumont and Sophie Ecclestone joining London Spirit and Manchester Originals respectively. A whole host of Australian talent has also put pen to paper including captain Meg Lanning, who has joined Welsh Fire.
You can see the full and final squads here, while the fixtures for the competition's debut have also been released with the women's game between Oval Invincibles and Manchester Originals kicking us off, live on the BBC, on Wednesday, 21 July.
If you want some more reading you can scroll back through this live page for all the best bits, including interviews with the likes of Lanning, Sam Billings and Anya Shrubsole.
We've also spoken to Manchester head coach Simon Katch about how to build a squad, and Isabelle Westbury has discussed how important the competition and visibility could be for women's cricket.
Be sure to join us in July for the competition itself - we'll be building up to the competition across the BBC over the next few months. We'll be back tomorrow with day one of the third Test between England and India from 08:25 GMT. See you then.