Unreal Engine Issues
Unreal Engine Issues
If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible
UE - Virtual Production - Tools - Jul 31, 2025If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...
Overridden custom functions have inputs locked when parent actor is altered
UE - Gameplay - Blueprint - Sep 14, 2016Overridden custom functions have inputs locked when parent actor is set to different blueprint type. Regression (no) issue (does) occur in 4.12.5 ...
dragging from wildcard array output to a node with an exec pin changes wildcard to exec variable
UE - Gameplay - Blueprint - Oct 18, 2016dragging from wildcard array output to a node with an exec pin changes wildcard to exec variable. Regression (no) issue (does) occur in 4.12.5 ...
Print string to screen is interrupted if Console Command prompt is opened and specific keys are pressed
UE - Gameplay - Blueprint - Nov 4, 2016Print string to screen is interrupted if Console Command prompt is opened and specific keys are pressed. Regression (no) issue (does) occur in 4.12.5 ...
Source Textures used with a Rect Light are blurry and diffused
UE - Graphics Features - Mar 14, 2023This is a regression from 5.0.3 tested in the following streams:BranchChange ListResults//UE5/Release-5.020979098Did not reproduce//UE5/Release-5.123901901Reproduced//UE5/Release-5.224608918Reproduc ...
Clicking a button in UMG stops all tilt information
UE - Editor - UI Systems - Nov 14, 2014Tilt information is no longer taken after clicking on a button in UMG. The tilt information goes to all zeros. That is until the user clicks else where at which point the device will then start regi ...
Particle Effects Do Not Play in Transition Maps
UE - Graphics Features - Oct 24, 2016Particle effects do not seem to be playing in transition maps. Found in 4.13.1. Reproduced in 4.12.5 and 4.14 Preview 1. ...
Static Meshes in sublevels disappear from world content browser if they are culled out of a cull distance volume during PIE
UE - World Creation - Worldbuilding Tools - World Composition - Oct 25, 2016Cull Distance Volumes cause objects within them to disappear from the World Composition window if they are culled out at runtime. Regression (no) issue (does) occur in 4.12.5 ...
Dirt mask (bloom) is not displayed in some Mali Devices
UE - Platform - Mobile - Oct 12, 2016In some mali devices (Galaxy S6, SC-05G, Android 5.0.2 / Galaxy Note 5, SM-N920C, Android 5.1.1) cannot display dirt mask in the bloom effect. This is well displayed in iPhone 5s, LG G4, Nexus 5 ...
Crash in Vulkan when changing Source Texture for Rect Light
UE - Rendering Architecture - RHI - Jan 5, 2023Regression: Tested in UE5/Release-5.0, no crash occurs so this is a regression No crash occurs in 5.0, but the rect light's light does not change based on the Source Texture. Rect lights function a ...