Unreal Engine Issues

When collision tracing a StaticMesh with ComplexCollision, trace penetration occurs

In the attached project, collision tracing is performed for StaticMesh of SimpleCollision and StaticMesh of ComplexCollision at the level. Trace is done from sphere trace from BP. At this time, trac ...

SetAdd and MapAdd nodes do not return Bool

Set Add and Map Add nodes no longer return the boolean (bool would return true if item was added to set, false if it already exists in set) ...

Parser drops Braces unexpectedly when copy pasting Nodes

InString with Curly brackets are copied to clipboard as DefaultValue="\"{Hello}\"", and the pasted result does not include the Curly brackets. "Brace drop itself is happening in FParse::Li ...

bDisableExposure Exposure bias on Mobile

There is this new variable. bDisableExposure which is set true when Feature level isn't SM5. Exposure bias should be supported on other platforms too. PR: https://github.com/EpicGames/UnrealEngine/ ...

Launching on IOS, sessions do not appear in the Session Frontend

Licensee reports: Dug into this further and our iOS devices aren't receiving any of the handshake messages sent by the Session Frontend (or any other UDP messages for that matter) because multicast ...

Separate Translucency does not work when DoF is active

Black screen on mobile at start app when not using startup movie or preload screen

GLTF Datasmith Files Import Incorrectly if Mesh Names Contain a "."

Importing a GTFL through the GLTF Datasmith import references incorrect instance meshes when their names contain a period. Which is very common when exporting from Blender which automatically adds t ...

Default World Grid Material Crashes on apply shader compile

Memory leak with disable rendering

When executing "ShowFlag.Rendering 0", it occur the memory leak because it can't run RHICmdList.ImmediateFlush(). The following code is a workaround. DEC_MEMORY_STAT_BY() is ImmediateFlush. Witho ...