Unreal Engine Issues
Unreal Engine Issues
AnimToTexture vertex animation stutters on looping frame
UE - Anim - Gameplay - Aug 8, 2025The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...
Patterns On Landscape Spline Normals
UE - Graphics Tools - Terrain - Oct 31, 2025On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...
Cached State Machine is re-initialized whenever cached pose is referenced
OLD - Anim - May 19, 2015This may not be an expected use of state machines, but it is becoming a showstopper for a couple of users. These user's are caching their locomotion state machine and then using a second state mach ...
Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate
OLD - Anim - Mar 20, 2015Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...
Duplicating meshes in blueprint improperly place transform widget and initially does not appear in viewport
UE - Gameplay - Blueprint - Jun 24, 2015If a mesh is duplicated within a blueprint components panel, it will be invisible in the viewport, the transform widget will incorrectly align itself and refrain from moving, and if the transform wi ...
OnClicked events do not trigger on objects 100k units away from camera
UE - Gameplay - Mar 26, 2015Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...
Behavior of Speed Up/Down parameter of Auto Exposure are different.
UE - Graphics Features - Apr 5, 2016Brend/Swtch multi PostProcessVolume to handle Auto Exposure with same Speed Up/Down parameter but behavior of Speed Up/Down parameter of Auto Exposure are different. Scene with. Unbounded PostProce ...
LIVE: Some Chinese letters do not show when used with UMG when deployed to mobile
UE - Editor - UI Systems - Localization - Nov 7, 2014When deploying a project to an Android device that uses UMG and Chinese text, Not all text is displayed when deployed to a mobile device ...
Packaged Win32 Shootergame crashes in OpenGL
UE - Graphics Features - Nov 4, 2014Packaged Win32 Shootergame crashes in OpenGL. This cropped up while testing on Windows XP, but occurs on all platforms if you launch in OpenGL. QA REGRESSION: YES WORKING: Regressing now BROKEN: ...
Blueprint node detail checkboxes are not transfered during copy/paste
UE - Gameplay - Blueprint - Sep 24, 2015When editing settings in a blueprint node's details and copying the values of a setting / pasting to the same value of a different node, the value will update after pasting but the checkbox setting ...