Unreal Engine Issues
Unreal Engine Issues
Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters
UE - Gameplay - Input - Oct 28, 2024The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...
The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors
UE - Simulation - Visual - Oct 15, 2024The Remove-On-Break (ROB) feature, set on Fracture Mode on Geometry Collections (GC), was supposed to make the particle shrink until it vanishes. When the GC goes to sleep the shrinking stops and sh ...
Niagara - When Interpolated Spawning is disabled, the first frame of each particle unexpectedly does not take into account the Particle Update stage
UE - Niagara - Feb 28, 2025Foreword: Even if the behavior described here is by design, it is rarely (if ever) expected or desired. This was discussed and agreed to be treated as a bug. Explanation below. When interpolated sp ...
Instanced Static Mesh does not apply World Aligned Material correctly
UE - Graphics Features - Aug 22, 2016If you apply a material that uses World Aligned Blend to an instanced static mesh, it will display differently than an non-instanced static mesh with identical settings. They only look identical if ...
Absolute World Position post process no longer works in mobile preview
UE - Platform - Mobile - Sep 2, 2020User reports this work correctly in 4.24, but now no longer works as expected in 4.25.I don't have a clear CL just yet, marking unconfirmed. If you change the settings to use ES3.1 Preview and just ...
Orientation setting does not respect user's settings on Android
UE - Platform - Mobile - Feb 25, 2019The Orientation setting in the editor for Android phones does not respect the user's settings. Despite "Auto-rotate" being turned off, the orientation of the UE4 app will change if it is set to do s ...
Animgraph-Blend node-Alpha Scale Bias-larger values imprecise
OLD - Anim - Jan 21, 2015When setting the alpha scale bias for a blend node in the AnimGraph, if you set the values so that the difference is greater than 10, the values will not enter as whole numbers (see image.) ...
mobile DOF setting is not applied when play on standalone mode
UE - Platform - Mobile - Feb 20, 2023In 5.0, the mobile depth of field settings were correctly reflected when running standalone. However, in 5.1, the DOF doesn't appear to be working correctly and the focus is off, causing a blurry im ...
LIVE: RENDERING: Precomputed Visibility volume is not registering Statically Occluded Primitives nor allowing visibility cells to be rendered
UE - Graphics Features - Jul 3, 2014Build: 4.2.1-2101290 Description: Currently, precomputed visibility volumes do not seem to alter occluded primitives, nor do they show visibility cells when r.ShowPrecomputedVisibilityCells 1 is en ...
[CrashReport] Ensure - UE4Editor_Renderer!FPlanarReflectionParameters::SetParameters() [planarreflectionrendering.cpp:704]
UE - Graphics Features - Apr 4, 2018No user comments in crash group. Similar callstack in [Link Removed] but that is a crash and this is an ensure. 701 if (ReflectionSceneProxy && ReflectionSceneProxy->RenderTarget) 702 ...