Unreal Engine Issues

Using a user generated timeline in blueprint causes an exception in engine code.

This crash is caused by an exception that is thrown due to the functions inside of a blueprint based off a user-defined class that is suppose to mimic Timelines. ...

Character Movement Mode in Water Volume is affecting all clients

Strange behavior concerning Character Movement Network Replication and a Water Physics Volume.  Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...

GearVR trackpad quadrant buttons not detected in TM-MotionControllers

Using the TM-MotionControllers map as a test for GearVR, the 4 buttons in the trackpad quadrants of the bluetooth controller don't register via the blueprint. This issue did not occur on Vive at th ...

[CrashReport] UE4Editor_CoreUObject!PackageReloadInternal::LoadReplacementPackage() [packagereload.cpp:274]

No user comments in crash group 262 UPackage* LoadReplacementPackage(UPackage* InExistingPackage, const uint32 InLoadFlags) 263 { 264 if (!InExistingPackage) 265 ...

When changing the size of detail panel for animation state in Animation Blueprint diff tool, GetSelectedProfileName will occur crash

When trying to display BlendProfile property in Animation Blueprint diff tool, it will occur crash, because EditableSkeleton is null in SBlendProfilePicker::GetSelectedProfileName(). So, a followin ...

When saving an emitter in the Niagara system as an asset, it crashes when overwriting an existing emitter.

[MetaSounds] - If the audio output hits an extreme Gain value, the Audio Meter Widget stops responding

It's possible to have the Audio Meter widget stop responding if you set the Gain really high. It will cease to work as long as the MetaSound window is open. Closing and reopening the MetaSound windo ...

[CrashReport] UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::UpdateLod() [clothingsimulationnv.cpp:801]

This is an early trending crash coming out of the 4.16 Preview. This has also been experienced internally on an internal project ([Link Removed]) User descriptionsCreate new cloth asset > Apply ne ...

Crash occur when loading AInstancedPlacementPartitionActor

Crashes when loading an actor that inherits from AInstancedPlacementPartitionActor. There is a serialization size mismatch. ...

When show propertymatrix and delete target actor, the editor crash

It looks like it is null reference in propertymatrix. It always occurs when I execute the reproduction procedure. ...