Here's the qualification list by priority after Day 4. People in italics are qualified in a higher priority.
Priority 1: Finish in the top 2 and achieve the OQT at the event.
Javier Acevedo (M 100m Backstroke)
Mary-Sophie Harvey (W 200m Freestyle, W 100m Butterfly)
Tristan Jankovics (M 400m Individual Medley)
Yuri Kisil (M 100m Freestyle)
Josh Liendo (M 100m Freestyle)
Maggie MacNeil (W 100m Butterfly)
Kylie Masse (W 100m Backstroke, W 200m Backstroke)
Summer McIntosh (W 200m Freestyle, W 400m Freestyle, W 400m Individual Medley)
Regan Rathwell (W 200m Backstroke)
Blake Tierney (M 100m Backstroke)
Ingrid Wilm (W 100m Backstroke)
Priority 2: Finish in the top 4 in the 100m and 200m freestyle events to compete in the relays.
Javier Acevedo (M 4x100m Freestyle Relay)
Alexander Axon (M 4x200m Freestyle Relay)
Jeremy Bagshaw (M 4x200m Freestyle Relay)
Julie Brousseau (W 4x200m Freestyle Relay)
Mary-Sophie Harvey (W 4x200m Freestyle Relay)
Patrick Hussey (M 4x200m Freestyle Relay)
Yuri Kisil (M 4x100m Freestyle Relay)
Finlay Knox (M 4x100m Freestyle Relay)
Josh Liendo (M 4x100m Freestyle Relay)
Summer McIntosh (W 4x200m Freestyle Relay)
Emma O'Croinin (W 4x200m Freestyle Relay)
Lorne Wigginton (M 4x200m Freestyle Relay)
Priority 3: Winners of the 100m freestyle, backstroke, breaststroke and butterfly to compete in the relays.
Sophie Angus (W 4x100m Medley Relay)
Finlay Knox (M 4x100m Medley Relay)
Josh Liendo (M 4x100m Medley Relay)
Maggie MacNeil (W 4x100m Medley Relay)
Kylie Masse (W 4x100m Medley Relay)
Blake Tierney (M 4x100m Medley Relay)
Priority 4: Additional 100m and 200m freestyle or 100m medley athletes to compete in the relays (based on director's recommendation)
TBD
Priority 5: Swimmers who have achieved the OQT during the qualification period (March 1, 2023 - June 23, 2024) and finished in the top 2
Sophie Angus (W 100m Breaststroke)
Ella Jansen (W 400m Individual Medley)
Priority 6: Swimmers who have achieved the OCT during the qualification period, won the event and finished within 1% if their fastest time will be provisionally nominated pending World Aquatics invitation.
None
Current Total: 20 (10 men, 10 women)
Note: People could be added in priority 5 or 6 should they achieve an OQT/OCT between now and June 23rd.