Unreal Engine Issues

Building Lighting will Generate Additional Lightmaps after Rotating Lightsource

Lightmap sizes seem inconsistent after rotating a light source and rebuilding the lighting. This causes concern about file sizes when packaging the project that is using baked static lighting. The ...

Creating an exposed variable does not always update correctly to the bp's Details panel

Creating an exposed variable does not always update correctly to the bp's Details panel. They will show as having multiple values until the bp is clicked off and back onto. ...

The Add node does not update in the Construction Script

The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...

Orthographic Camera view doesn't work with movable directional light shadows and partly with stationary shadows

See attached video for clear examples. When using the orthographic camera perspective with default light settings to stationary for directional light source. Other light sources work as intended. T ...

Actor with Camera Component UProperty causes ensure when PIE ends if replicating

If an Actor with a CameraComponent is set to replicate, ending a PIE session with 2 players will result in an ensure ...

Particle record in the Matinee leads to crash when playing after record.

Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...

Vray Material nodes are disconnected after saved if closing and re opening Unreal

RPCUtility cannot be built in 4.22

The RPCUtility binaries cannot be built in 4.22 due to an issue with DotNETUtilities. When attempting to build the RPCUtility binaries as part of the BuildCommonTools command, the build provides a w ...

First Person Example Project Crash when character movement component is cast in viewport.

Crash is caused by incorrect cast to display ActorComponent in viewport (gizmo used to move it should not be present) ...