Unreal Engine Issues

FMediaFoundationMovieStreamer::Init() returns true even if the movie could not open.

[CrashReport] UE4Editor_Engine!FUniformExpressionSet::CreateUniformBuffer() [materialuniformexpressions.cpp:382] - IterateOverActiveFeatureLevels

No user comments ...

[CrashReport] UE4Editor_Landscape!FLandscapeVertexFactoryVertexShaderParameters::SetMesh() [landscaperender.cpp:3137]

No user comments in crash group 3127 if (SectionLodsParameter.IsBound()) 3128 { 3129 if (CurrentLODData.UseCombinedMeshBatch) 3130 { 3131 Set ...

When multiple actors are selected, they have different undo behavior in the details panel

When the text in spinbox has focus, it doesn't get the change notification externally. It may also be worth noting that ctrl z or ctrl y also do not get bubbled up to undo the text box values. It a ...

[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::DrawStaticElements() [landscaperender.cpp:1631]

User comments in crash group:Enabled Flat Tesselation on a Terrain Material.I saved the material. 1628 if (HasTessellationEnabled) 1629 { 1630 ***** UMaterialInstance* NonTess ...

Anim Curve Data Does Not Appear in Montages When Using Animation Modifier, MotionExtractorModifier

Occurs 5/5 times Regression does not occur as the MotionExtractorModifier appears to be new with UE5.  Curve data is not displayed in an Animation Montage when Animation Modifier, MotionExtractorM ...

Android sessions do not appear in Session Frontend

Material ParticleRandom node doesn't have proper value returned in specific case

Crash on Mac when adding Convex Collision to a mesh converted from a brush

This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...

[CrashReport] DerivedDataCache!TArray<unsigned char,FDefaultAllocator>::ResizeForCopy

This is an infrequent crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. It seems to be a different issue, but the callstack sh ...