The Maple Leafs announced their annual Dev Camp today.

Apologies for the terrible quality, for the original PDF, you can go here:

https://cms.nhl.bamgrid.com/images/assets/binary/345149718/binary-file/file.pdf

Players will undergo medicals and on-ice testing on Sunday, July 2, while the first full-team on-ice session and media availability will take place on Monday, July 3, at the Ford Performance Centre.
A total of 42 players (24 forwards, 12 defencemen, six goaltenders) are slated to take part in this year's development camp. Attending this year's camp will be 19 Maple Leaf draft picks including Toronto's three selections in this year's NHL Draft, forwards Easton Cowan, Hudson Malinoski, and defenceman Noah Chadwick. Also in attendance will be three draft picks from the 2022 NHL Draft (Fraser Minten, Nicholas Moldenhauer, Brandon Lisowsky), two from the 2021 NHL Draft (Ty Voit, Vyacheslav Peksa) and eight from the 2020 NHL Draft (Artur Akhtyamov, John Fusco, Roni Hirvonen, Mike Koster, Veeti Miettinen, Joe Miller, Topi Niemelä, Ryan Tverberg).
In addition to the Maple Leafs' draft picks, the roster will include one player signed to an NHL contract (Braeden Kressler) and two players signed to AHL contracts (Luke Cavallin, Jonny Tychonick). Additionally, the Maple Leafs have invited 23 free agents.
Maple Leafs Assistant General Manager, Player Development, Hayley Wickenheiser and her staff will oversee this year's camp.

Maple Leafs Prospects