John gets back into game development, Rambo builds a custom Bluetooth packet parser for AirBuddy, and the two embark on another technical deep dive — this time into the big topic of performance tuning.

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• Gui on Twitter: @_inside
• John on Twitter: @johnsundell

• Imagine Engine
• John’s SwiftUI game demo
• Rambo’s debug app for inspecting BLE advertisements
• Synalyze It!
• Sets in Swift
• Time complexity
• Entity Component System (ECS)
• cloc

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