Unreal Engine Issues
Unreal Engine Issues
Global Invalidation causes CommonAnimatedSwitcher to flicker after animation completes
UE - Editor - UI Systems - UMG - Feb 19, 2025The common animated switcher will currently flicker for one frame when its transition animation completes if global invalidation is enabled. This appears to be caused by a visibility change (HitTest ...
Input Events don't have friendly names in Call Stack tab
UE - Gameplay - Blueprint Editor - Nov 27, 2017In the Call Stack tab, input events are not listed by their friendly names. Instead they have long names such as InpActEvt_One_K2Node_InputKeyEvent_2. This is different from Actor Events that simp ...
Copying and pasting a material function renders all of the duplicates inputs as not having default values
UE - Rendering Architecture - Materials - May 22, 2019The top material function was placed in a graph directly. The second was generating by copying the first node. Note that the input pins changed color which indicates that each input on the new modul ...
Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled
UE - Graphics Features - Jan 27, 2022This issue occurs with the Additive and Alpha Holdout settings. ...
Wrap function incorrect
UE - Gameplay - Blueprint - Nov 23, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Postprocess volume priority bug
UE - Graphics Features - Mar 13, 2023DoesSocketExist always returns false for Sprite Sockets (flipbooks and sprite components)
UE - Gameplay - Paper2D - Jan 15, 2015DoesSocketExist always returns false for Sprites in a Flipbook, whether there is a socket on any/all of the Sprites or not. Note: GetSocketLocation seems to work fine, indicating that it is reading ...
Math Nodes are not updating on input
UE - Rendering Architecture - Materials - May 11, 2015Add, Multiply, Subtract and Divide Nodes in the Material Editor are not longer updating on input but on the next node added to the Material. Also Reproduced in Main Promotable-CL-2541904 [Link Rem ...
Exponential Height Fog renders incorrectly after Set World Origin Location
UE - Graphics Features - Dec 12, 2016When having an Exponential Height Fog actor far away from origin, after doing Set World Origin Location, Exponential Height Fog's appearance changes. ...
Unexpected Changes in Saturation/Contrast of Colors when upgrading project to 4.15
UE - Graphics Features - Jan 30, 2017When upgrading a project to 4.15 (in my case from 4.14.3), the colors seem to have shifted in contrast/saturation. It is not a huge difference, but noticeable enough to affect the overall result of ...