Unreal Engine Issues
Unreal Engine Issues
Adjustments to the GearVR IPD do not seem to work
UE - Platform - XR - Nov 11, 2016A user is reporting that enabling the override for the IPD with GearVR doesn't work. They would like to be able to change this value at runtime. Setting the "bOverrideIP=True" and "IPD=" values in ...
World Delta seconds appears to Cause a miss calculation (regression 4.12.3 -> 4.12.4)
UE - Gameplay - Jul 1, 2016If the user uses world delta seconds in a calculation there appears to be some incorrect values. Note there is also a users project attached if you would like to look at that example. ...
Stereo layer appears to move when used with the Oculus Rift
UE - Platform - XR - May 17, 2018Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...
ETraceTypeQuery and EObjectTypeQuery not fully exposed to Python
UE - Editor - Workflow Systems - Oct 5, 2021The ETraceTypeQuery and EObjectTypeQuery enums declared in EngineTypes.h aren't fully exposed to Python. Both enums have 32 entries, but Python is only aware of the first 2 for ETraceTypeQuery and t ...
Feature Request: Make WASD movement cancel out movement when you press keys in opposite directions
UE - Gameplay - Input - Feb 3, 2023slack discussion: [Link Removed] ...
Sampling UV1 on a Nanite mesh with one UV channel returns a constant value
UE - Rendering - Architecture - May 17, 2023This is general for any UV channel past what the static mesh has, rather than specifically for UV channel 1. ...
OnlyTickMontagesAndRefreshBonesWhenPlayingMontages visibility option updates anim instance multiple times
UE - Anim - Runtime - Anim Blueprints - Apr 25, 2024The OnlyTickMontagesAndRefreshBonesWhenPlayingMontages setting added in 5.4 is broken. It only works because it unintentionally forces a second call to UAnimInstance::UpdateAnimation (via RefreshBo ...
Skeletal mesh to which the AnimationBudgetAllocator registered in the animation track is applied does not play the initial frame animation
UE - Anim - Runtime - Jun 10, 2025This issue occurs when “Auto Register with Budget Allocator” is enabled for the skeletal mesh. Unchecking “Auto Register with Budget Allocator” seems to resolve the issue. Adding the following to th ...
Mesh Decals render Flat when Combined with a Translucent Material Element on the same Mesh
UE - Graphics Features - Jan 11, 2017A licensee is reporting an issue with mesh decals rendering incorrectly when created as a Material ID (Material Element) and assigning a translucent material to the shared mesh. The use case exampl ...
(global distance field not available in shadow pass) Lighting Artifacts Appear When Using Distance To Nearest Surface With World Position Offset
UE - Graphics Features - Jan 20, 2017When using "distance to nearest surface" node with WPO there are cases where the engine will shade the object incorrect. The attached project reproduces one of these scenarios. It appears as though ...