Unreal Engine Issues

Crash on adding new element to ChaosCacheCollection if ChaosCacheCollection is open in editor

More ways to reproduce:In Chaos Cache Collection Editor press Add Element button (no matter when you will do this step)If in Step13 from Steps to reproduce you won't place Chaos Cache Collection Edi ...

Nanite Dynamic Tessellation issue with Material Layers

[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:184]

No user comments in crash group 169 (uint64)PlatformMemoryStats.AvailableVirtual, 170 (uint64)PlatformMemoryStats.UsedPhysical, 171 (uint64)PlatformMemoryStats.PeakUse ...

Local binary build of 4.22.1 fails when only Visual Studio 2019 is installed

Attempting to create a local binary build of 4.22 using Visual Studio 2019 (with no other versions of Visual Studio installed) currently fails with several warnings and errors, including the followi ...

Packaging fails for an exclusively-nativized BP-only project that includes a non-nativized child Blueprint class that's referenced by an (unrelated) nativized Blueprint class.

For unknown reason, the header of BP_Parent is included twice. The second header is located after the .generated.h, causing the compile error. The following is the include section of BP_Child__pf1 ...

[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::CalculateLODFromScreenSize() [landscaperender.cpp:1522]

No user comments in crash group 1511 if (PreferedLOD >= 0.0f) 1512 { 1513 PreferedLOD = FMath::Clamp<int32>(PreferedLOD, FMath::Max((float)FirstLOD, MinValidLOD), FMath::Mi ...

[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP

While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...

Physics isn't disabled on Destructible when Simulate Physics is set to Disabled

Physics isn't disabled on Destructible when Simulate Physics is set to Disabled. The Destructible seems to only be set to sleep and will wake if the player or any other physics object touches the de ...

Geometry Collection Cache Mode recording that has shattered on the ground shows that Collection Freeze when switched to Play and simulating again

Cache Mode: record seems to simulate fine, in Cache Mode: Play, the object does not simulate fracturing Repro Rate: 5/5 ...

TraceHitInfo not returning correct PhysMat when Changed at Runtime via MID

Line Traces are not correctly returning the Physical Material Info when that information is changed at runtime via a Override Physical Material or a Set Physical Material via a Dynamic Material Inst ...