Unreal Engine Issues

Normal tangents aren't recalculated on skeletal meshes with bone transforms when recompute tangent is enabled

Enabling recompute tangents on a skeletal mesh does not recompute tangent normals for translated parts of the skelmesh. If you addr.SkinCache.CompileShaders=1r.SkinCache.Mode=1r.SkinCache.Recompute ...

Child actor component removed when changing the class of a child actor component

Child actor component removed when changing the class of a child actor component. Only the default class for the child actor component is used. If the user attempts to change the class the child act ...

Random Stream variables in the GameMode are reset every PIE

Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...

ShowFlag.Rendering 0 is causing picture scintillation

When you use the console command for ShowFlag.Rendering 0 the screen multiplies. This happens on both iOS and Android devices ...

ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled

When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...

Per-object shadow corrupts on Android Vulkan

iOS Remote Build fails with Date/Time set to Certain Locales

Date/Time formats using commas instead of semicolons will cause iOS compile to fail. "LogPlayLevel: Error: ERROR: System.FormatException: Input string was not in a correct format." Similar Unk ...

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 ...

SaveGame data does not correctly save the value of elements in an int array when the elements are initialized with RandRange() and then set to a known value

After using FMath::RandRange() to initialize elements of an int array in a SaveGame class and then setting all of the values of the array to 0 before using UGameplayStatics::SaveGameToSlot() to save ...

Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI

Chaos Trailing Events not exposed to Blueprints and only accessible via Niagara Chaos DI. The licensee noticed that the Trailing event is not available to BPs. It's expected that the same data avail ...