New LEGO Ninjago sets are going to be released in Summer 2023. There's a list of the new sets, which will be released in 2023, thanks to Promobricks.

Kai & Rapton Temple Battle (Set 30650)

• Pieces: 47
• Minifigures: ?
• Prices: €3.99
• Released in: 2023

 

Kai and Ras's Car and Bike Battle (Set 71789)

• Pieces: 103
• Minifigures: ?
• Prices: €19.99
• Released in: June 2023

 

Imperior Dragon Hunter Hound (Set 71790)

• Pieces: 198
• Minifigures: 3
• Prices: €19.99
• Released in: June 2023

 

Zane's Dragon Power Spinjitzu Race Car (Set 71791)

• Pieces: 307
• Minifigures: 4
• Prices: €34.99
• Released in: June 2023

 

Sora's Transforming Mech Bike Racer (Set 71792)

• Pieces: 384
• Minifigures: 3
• Prices: €44.99
• Released in: June 2023

 

Heatwave Transforing Lava Dragon (Set 71793)

• Pieces: 479
• Minifigures: 4
• Prices: €49.99
• Released in: June 2023

 

Lloyd and Arin's Ninja Team Mechs (Set 71794)

• Pieces: 764
• Minifigures: 5
• Prices: €79.99
• Released in: June 2023

 

Temple of the Dragon Energy Cores (Set 71795)

• Pieces: 1029
• Minifigures: ?
• Prices: €89.99
• Released in: June 2023

 

Elemental Dragon vs. The Empress Mech (Set 71796)

• Pieces: 1038
• Minifigures: 6
• Prices: €99.99
• Released in: June 2023

 

Destiny's Bounty - Race Against Time (Set 71797)

• Pieces: 1739
• Minifigures: 6
• Prices: €139.99
• Released in: June 2023

 

Nya and Arin's Baby Dragon Battle (Set 71798)

• Pieces: 157
• Minifigures: ?
• Prices: €29.99
• Released in: June 2023

 

Ninjago City Markets (Set 71799)

• Pieces: 6163
• Minifigures: ?
• Prices: 369.99 USD
• Released in: June 2023

 

Dragon Power Spinjitzu Sets (Sets 71777-71779)

• Released in: June 2023