Unreal Engine Issues
Unreal Engine Issues
UMG Drag and Drop stops working in a Packaged or Standalone Game
UE - Editor - UI Systems - Aug 20, 2018Drag and drop operations just become broken on packaged builds or launching stand-alone, despite working inside the Editor (PIE). This is a regression from 4.19.2 (CL-4033788). This issue was repor ...
Logs containing UTF-8 characters don't appear in CMD/Terminal on Linux
UE - Platform - Linux - Sep 5, 2018If a log message contains UTF-8 characters like "ő" or any Russian one ("л") it won't be printed to cmd or terminal but it will be printed to the log file. This is a regression from 4.19.2 (CL-40337 ...
Blueprint graph stops drawing correctly after using shift-drag
UE - Gameplay - Blueprint Editor - Dec 26, 2018When shift-dragging in the Blueprint graph and ending the drag on a node with a connected wire, the Blueprint graph will freeze up. There is an attached video that showcases the issue as well. Th ...
Retargeting an Animation to a Skeleton with a Virtual Bone causes the Engine to crash
OLD - Anim - Jan 14, 2019This crash occurs when trying to retarget an animation onto another skeleton with a retargeting rig that references a virtual bone. This issue could be similar to [Link Removed] This issue was re ...
Materials with a custom node with a Struct that has a function fails to compile for GLSL (Android) and uses a default material
UE - Graphics Features - Apr 29, 2019A user has reported that Materials that contain a custom HLSL node that has a Struct with a function declared inside of it results in the material failing to compile for GLSL, causing the Material t ...
Tiling Sprite in UMG uses whole image
UE - Editor - UI Systems - Sep 21, 2020When a Sprite that has been created from a Texture Atlas is used in a Widget, it can not be tiled. Instead the whole Texture Atlas is tiled. Reported in version 4.25.3(CL 13942748). Tested and fou ...
EngineSubsystem Deinitialize is not being called
Tools - Jan 24, 2020UEngineSubsystem::Deinitialize() is not called when closing the editor In addition, (tested only with released 4.24.1) when recompiling a module using the "Modules" window in the editor the d ...
Syncing issue when stopping and blending out a non-looping montage to an anim graph
UE - Anim - Gameplay - Feb 7, 2023When syncing from a non-repeating montage that is blending out to an anim graph, the anim montage is marked as a follower due to having its PrevMaker as an AnimBoundary(-1), furthermore in this case ...
Parameters show up in material instances even if they're not supposed to be exposed
UE - Rendering Architecture - Materials - Feb 28, 2018In this case, I've added inputs to a material function. That material function input uses a parameter as it's default value. [image: Inline image 1] When referenced in the shader[image: Inline ima ...
Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor
UE - Niagara - Jan 18, 2024Opening a module with references to a disabled plugin can crash the editor. ...