Unreal Engine Issues
Unreal Engine Issues
Skeletal Meshes display Vertex Paint in RGB Color View Mode without being selected
OLD - Anim - Apr 26, 2017Skeletal meshes display Vertex Paint in RGB Color View Mode without being selected. This is inconsistent with Static Meshes, which must be selected prior to showing their Vertex Paint. ...
Regression: Shader compile failure with SceneDepth in mobile and PC, ES3_1
UE - Platform - Mobile - Nov 30, 2018SceneTexture:SceneDepth node is not properly compiled in ES3_1. Regression? yes, It is working in 4.20.3 launcher version. This log come up with compile failure LogMaterial: Display: Missing cache ...
The speed and delay of Animators is increased in exports when the scene contains 3D Grass
TM - Rendering - Jul 23, 2025Reported in SF [Link Removed] For animators (translators and rotators), when the scene contains the 3D Grass materials, videos exported from the scene will display animators delay and speed up abou ...
Max Deviation setting is never used for Mesh Reduction, causes incorrect values for automatically computed LOD distances
UE - Graphics Features - Feb 1, 2018The Max Deviation setting for a static mesh LOD is never used for Mesh Reduction. This results in incorrect values for automatically computed LOD distances, because the calculation uses the Max Devi ...
Float RGBA Framebuffer rendering settings changes UI
UE - Editor - UI Systems - Slate - Nov 11, 2019When changing the rendering Frame Buffer Pixel setting from "10 bit RGB 2 bit alpha" to "Float RGBA". The Editor's UI will change. (Please see the attached screenshots for comparison) ...
Crash in Persona when adding Notifies
OLD - Anim - Apr 14, 2015REOPENED NOTES: Crash Reporter: [Link Removed] Test Project: [Link Removed] Open project and press Play: Editor will crash. User reports this being due to sequential animations not being the sam ...
Physics Constraint angular visualization are missing in 4.11
UE - Simulation - Physics - Apr 14, 2016Physics Constraint angular visualization are missing in 4.11 This is a regression User Description: Since 4.11 angular constraints of the physics constant are not shown in the viewport. In 4.10 ...
Unable to uncap framerate in Vulkan
UE - Rendering Architecture - RHI - Feb 28, 2019On Linux machines users are unable to uncap their framerate in the editor. This issue has been observed in multiple maps, including TM-URO and TM-AnimPhys, as well as Third Person Blueprint projects ...
Using Depth of Field when "r.PostProcessing.PropagateAlpha" is enabled causes halo effect on higher scalability modes and resolution
UE - Graphics Features - Dec 16, 2024There is a haloing effect when depth of field is used while post processing also has propagate alpha enabled at higher scalability levels. The effect becomes more obvious as the resolution of the vi ...
Transform track can't be edited for Spawnable empty actor in Sequencer
UE - Anim - Sequencer - Oct 2, 2017Transform track for a spawnable Empty Actor always shows 0, 0, 0 and it can't be edited. I could repro this in 4.17.2 and 4.18 Preview 2. This does not happen in 4.15.3 and 4.16.3. So this could b ...