Unreal Engine Issues
Unreal Engine Issues
Custom Depth does not override occlusion if it's set during runtime
UE - Graphics Features - Oct 4, 2019Adding a Custom Depth material at runtime does not make the object its applied to render through walls. Tested in 4.22.3 (CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9413529) ...
NotBlueprintable User Widgets appear as option for Root Widget
UE - AI Workflows - UI Systems - Jan 5, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Attempting to select NotBlueprintable Widget results in a pop-up saying that it's not ...
Materials with transparency still visible in alpha with holdout in Render layers.
TM - Tools - Mar 8, 2024The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected). They are visible in Alpha with Holdout. This is an Engine limitation for now. But we sho ...
UInstancedStaticMeshComponent::AddInstances does not appear to be adding per-instance previous transforms when enabled
UE - Rendering - Features - Dec 3, 2025Instanced static mesh component does not add instances transforms to PerInstancePrevTransform array when using UInstancedStaticMeshComponent::AddInstances. Additionally Updating the transforms of th ...
Widget Blueprints Fail to Compile When Copying Collapsed Graphs into Functions
UE - Framework - Blueprint - Jun 28, 2022Collapsed blueprint nodes that are copied and pasted into a function graph of a Widget will cause a fatal error when the blueprint compiles, as seen in the callstack, and will provide the message: " ...
Exiting PIE with dedicated server checked causes editor to crash on Linux
UE - Platform - Linux - Oct 25, 2016Checking the box for Dedicated Server in the Play dropdown menu causes the editor to crash when exiting PIE. This does not occur in 4.13 or 4.14 on Windows. ...
Crash when searching for a string with the same name as the collection
UE - Editor - Feb 28, 2025The editor crashes when creating a local collection of the same name by typing certain characters in the search box of the content browser. This does not reproduce in UE5.4 and is a regression in UE ...
Crash When Adding Actor Component Tagged 'Within' to a Game Mode Blueprint
UE - Gameplay - Components - Apr 25, 2016Crash occurs when attempting to add an actor component c++ class to a game mode blueprint if the actor component is tagged with the Within="GameMode". Found in 4.11.2 binary, reproduced in 4.10.4 ...
Performing a hot reload on a project that contains an FStringAssetReference will crash the Editor.
UE - Foundation - Core - Mar 10, 2015Performing a hot reload on a project that contains an FStringAssetReference inside a struct results in a crash. This was reported to work fine in 4.6.1, but I was unable to verify that is the case. ...
Crash on clicking Column Header in visRT window
Tools - Apr 22, 2015The Engine will crash when you run the visRT command in Editor and click on an item in the visRT window and the click on a column header. also Reproduced in Main Promotable-CL-2513846 [Link Remove ...