Unreal Engine Issues

Modifying Notify Properties no longer updates the NotifyName in Blueprints with custom GetNotifyName function.

If after placing a notify on an anim sequence timeline you modify a property that is used in the GetNotifyName function of a blueprint notify in engine version previous to 5.5 (5.4.3 for example) th ...

Curves do not scale with modified animation length at reimporting animation with new interchange importer

FIndexedCurve::ScaleCurve returns invalid results

Calling SetKeyTime in iterating KeyHandlesToIndices array can modify the array order, so it breaks the iterator. Perhaps ShiftCurve also has the same problem. Here is a work around: void FIndexedCu ...

UDN Bug: ASTC compression becomes greyscale

Bug reported at https://udn.unrealengine.com/s/question/0D5QP00000tOpXN0A0/using-mutable-plugin-results-in-greyscale-textures-on-android-xr?fromCase=1 ...

The Lyra's Readme.md from Github is not clear on how to setup the project for usage

The Lyra's Readme.md from Github is not clear on how to setup the project for usage. Following the https://github.com/EpicGames/UnrealEngine/blob/ue5-main/Samples/Games/Lyra/README.md instructions a ...

Bundled compute PSO compilation stalling tender thread

A licensee has pointed out a potential bug they found related task graph synchronization and when compiling compute PSOs: [Link Removed]. From the screenshot they sent over, it seems that a task gra ...

Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow

Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...

5.4, FRHIMemoryPool leaks memory

FRHIMemoryPool will leak data when it is destroyed. "FRHIMemoryPool::Init()" will create "FRHIMemoryPool::DesiredAllocationPoolSize" new "FRHIPoolAllocationData" objects, stored in "FRHIMemoryPool: ...

When MotionExtrantorModifyer is applied to skeletal mesh, it outputs warning about module loading of AnimationModifierLibrary at editor startup in ThirdPerson C++ project.

When MotionExtrantorModifyer is applied to a skeletal mesh, it outputs an import error of AnimationModifierLibrary when the editor is launched. The project module and the AnimationModifierLibrary mo ...

FCableSceneProxy::BuildCableMesh thrashes memory allocator

FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...