This is a "lightning round", 1-min video run through quickly showing how to recompile a plugin (in this sample case, the UE4Duino plugin for Arduino communications: https://github.com/RVillani/UE4Duino ) for Unreal Engine to avoid "built with different engine version" errors.
A more relaxed-paced, 7-min version of this process with more detailed explanations available here: • Recompile Unreal Plugin to new Engine...