Unreal Engine Issues
Unreal Engine Issues
Strange Artifact under SingleLayerWater with dynamic directional light and LightPropagationVolumes
UE - Graphics Tools - Terrain - Water - Aug 30, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, the issue was reproduced. Regression - No [Image Removed] ...
Font outlines do not multiply color and opacity from parent widgets
UE - Editor - UI Systems - Slate - Jan 16, 2017We don't currently multiply by the parent widget's color and opacity when calculating the color and opacity of a text block's outline. Since color and opacity are precalculated before the outline is ...
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
Updates to DesiredFocusWidget for a UserWidget are not propagated to existing instances of it inside the WidgetTree of other widgets
UE - Editor - UI Systems - Nov 17, 2025This issue has been reproduced in UE 5.3 to 5.7 and source versions. A repro project is available. Below are the findings from an initial investigation of the problem. Normally, when a UserWidget p ...
OnRep functions do not fire on the client
UE - Networking - Mar 15, 2015OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...
Struct array of type 'key' dirties blueprint each time it is re-opened
UE - Gameplay - Blueprint - Aug 29, 2016Struct array of type 'key' dirties blueprint each time it is re-opened. Regression (no) issue (does) occur in 4.11.2 ...
Landscape Mode automatically turns on Game View in Viewport
UE - LD & Modeling - Terrain - Landscape - Oct 31, 2016Landscape Mode automatically turns on game view in the level Viewport. Regression (yes) issue (does not) occur 4.13.2 ...
Need to update to libpng for Android; current one triggers security alert on Google Play
UE - Platform - Mobile - Sep 28, 2016We are using libpng 1.5.2 which is triggering this alert from Google on Android apps: [Link Removed] Need to update the library. ...
Unable to go fullscreen in Standalone Game
Tools - Jan 5, 2017Unable to make the Standalone Game window fullscreen with a console command or with Alt+Enter. This is a regression as this was not an issue in 4.14.2. ...
Editor Crashes when creating a function in Child Anim Blueprint
OLD - Anim - Mar 16, 2017Editor Crashes when creating a function in Child Anim Blueprint. Regression: This issue did NOT occur in 4.13.2 Binary build ...