Unreal internals

Engine mechanisms ·

The mock interviews showed you usually know what to do but not always why it works. These pages are the why.

• Garbage collection and UPROPERTYMock Q3 · Partial · plus the "bugs that pass testing" list
• Hard vs soft referencesMock Q9 · Partial · Cast To = hard reference
• Tick controls and frame orderMock Q6 · tick groups, prerequisites, the drift question
• 2,000 tickers: managers, subsystems, instancingMock Q6 part 3 · why the dispatcher wins, and the better version
• The Blueprint / C++ boundaryStudy plan 2.2 · specifiers, what goes where, data assets