Migrating assets to a plugin causes references to break

Tools - Content Browser - Jun 14, 2018

The migrate function is meant for moving assets from one content folder to another, so it does no actual modification of the references in the migrated assets. This is normally fine, since we expect ...

Delay nodes occasionally don't fire the "Completed" output in a nativized build.

Gameplay - Blueprint - Jun 13, 2018

This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...

Instanced Static Mesh component instances in levels that are not currently loaded do not have their defaults updated properly

Tools - Foliage - May 17, 2018

Editing the properties of an Instanced Static Mesh or Hierarchical Instanced Static Mesh does not propagate those edits to the defaults of instances that are in levels that are not currently loaded. ...

Launch URL places http:// before the given string on Android, causing some commands to fail

Platform - Mobile - May 14, 2018

Attempting to launch URLs on Android causes http:// to be placed before the string that is given. This causes issues when using commands such as mailto: and tel: which do not work properly when this ...

Memory Leak when Debugging Blueprint

Rendering - May 2, 2018

RAM usage continually increases when debugger is active https://answers.unrealengine.com/questions/784443/ue-4191-memory-leak-while-using-blueprint-debugger.html ...

[CrashReport] PhysX3CommonPROFILE_x64!physx::Gu::Facet::silhouette() [guepa.cpp:319]

Physics - Apr 19, 2018

No user comments in crash group 313 void Facet::silhouette(const Ps::aos::Vec3VArg w, const Ps::aos::Vec3V* PX_RESTRICT aBuf, const Ps::aos::Vec3V* PX_RESTRICT bBuf, EdgeBuffer& edgeBuffer, ...

The nativized 'Array_Get' custom thunk implementation fails to properly initialize the item returned in the invalid index case.

Gameplay - Blueprint - Apr 19, 2018

FCustomThunkTemplates::Array_Get() fails to properly initialize a default item when the index is invalid: Item = U{}; That will leave the item uninitialized (e.g. UDS types). Should be using the ...

[CrashReport] UE4Editor_Engine!UEngine::AddOnScreenDebugMessage() [unrealengine.cpp:7733]

Tools - Apr 13, 2018

No user comments in crash group 7643 void UEngine::AddOnScreenDebugMessage(int32 Key, float TimeToDisplay, FColor DisplayColor, const FString& DebugMessage, bool bNewerOnTop, const FVector2D ...

DataTable CSV export; First member of Array not exported if set to default value

Gameplay - Blueprint Editor - Mar 26, 2018

When using a struct as a type for TArray and first element of the array has first member variable of the struct set to default, it is not exported to *.csv ...

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

Tools - Mar 23, 2018

Comment for user in crash group:Just add automotive project to my account, add it as 4.18, and each time trying to laod it, it crashes... 174 if (GWarn) 175 { 176 GMallo ...