Debug Function Library is a lightweight yet powerful function library designed to give developers total control over runtime debugging in Blueprint-based Unreal Engine projects.

Documentation

Support

🔹 Key Features:

🧠 Debug Category Filtering – Toggle entire categories like Traces, Arrows, Paths, Text, etc.

🧾 Persistent Debug Log History – Retrieve recent debug messages in real time or after gameplay ends.

🧪 On-Screen Messaging – Display categorized debug messages with color and duration control.

🎯 Advanced Drawing Tools – Visualize actors, traces, arrows (with directional enums), capsules, and paths.

🧰 Print Blueprint Call Stack – Quickly trace function flow in Blueprint execution.

📦 Development-Only Safe – Functions only run in non-shipping builds, with full #if UE_BUILD_DEVELOPMENT support.

📘 Designed for plugin-level portability and ease of use across any game type.