Setting Key Interpolation for a point on a curve to Auto behaves differently from UE4 and more like User Interpolation

UE - Anim - Runtime - Mar 17, 2022

Setting Key Interpolation for a point on a curve to Auto behaves differently than it did in UE4. The results are more akin to the User Interpolation with flat tangents. ...

[CrashReporter] UnrealEditor-CoreUObject!SavePackageUtilities::WriteToFile(FString const &,unsigned char const *,__int64) [SavePackageUtilities.cpp:544]

UE - Editor - Content Pipeline - Content Browser - Nov 22, 2022

Generated from CrashReporter Fatal error: [Link Removed] [Line: 544] Could not write to One possible repro (but is possibly outdated) can be found in [Link Removed].  ...

Copying a BP function with split pins creates all individual params of the struct, instead of making the parent struct

UE - Gameplay - Blueprint Editor - Oct 3, 2021

This occurs in UE5/EA and in Release-5.0 ...

PCG: Unable to use Attribute property overrides to target nested struct properties, such as BodyInstance.CollisionProfileName due to how it's validated in PCGMeshSelectorByAttribute.cpp

UE - World Creation - Procedural Tools - PCG Graph - Jun 17, 2025

Context: Static Mesh Spawner is used to spawn one static mesh per point in the provided point data. PCGMeshSelectorByAttribute is used to select an entry based on an attribute present on the mesh. ...

Keyboard shortcut for Snap to 2D Layer functions when Layer Snapping is disabled

UE - Gameplay - Paper2D - Jul 8, 2015

Using the Ctrl+Spacebar shortcut will snap an actor to a 2D layer even if Layer Snapping is disabled in the project settings ...

Step/Stop/Resume buttons change positions on blueprint editor window when stepping through blueprints

UE - Gameplay - Blueprint - Sep 23, 2015

While stepping through blueprints utilizing breakpoints, the step/stop/resume buttons often change places slightly depending upon which nodes are being stepped through. This can be problematic while ...

Changing a variable during simulate will cause physics object to jump around

UE - Simulation - Physics - Mar 16, 2016

If a user has an actor that is simulating physics during simulation of play in the editor and they then change the value of a variable trough the details panel below the world outliner then the acto ...

Pressing Play/Simulate on Window without Focus does not Function on Mac

UE - Platform - Apple - Jun 2, 2015

If a user attempts to 'PIE' within a window that does not currently have focus, the 'PIE' will not execute. The user provided a video on his answerhub post which illustrates the issue clearly. In ...

Using the ServerTravel console command with a physics vehicle present will trigger an assert.

UE - Simulation - Physics - Nov 25, 2014

Using the ServerTravel console command to switch to a different level while a physics vehicle is in the current level will trigger an assert. ...

Alpha channel should not be weighted when using "masks (no sRGB)" texture compression setting

UE - Graphics Features - Nov 11, 2015

When attempting to import a texture that has a non-opaque alpha content and compressing using the "masks (no sRGB)" texture compression setting, pixels that are in the alpha channel are being weight ...