Unreal Engine Issues
Unreal Engine Issues
Unexpected behavior resulting from overlapping or touching physics actors when Simulate Physics is enabled through input
UE - Simulation - Physics - Sep 21, 2015Weird behavior occurs when toggling Simulate Physics on physics actors by input instead of on BeginPlay. Multiple odd behaviors are present such as touching physics actors ignoring collision. Test ...
Key "F" for Focus acts Sporadically in the Static Mesh Editor Viewport
Tools - Dec 15, 2016In the Static Mesh Editor Viewport, hitting "F" for Focus results in placing the view camera sporadically so that mesh is not always centered and frequently out of frame altogether. Regression: Yes ...
Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.
UE - Gameplay - Nov 16, 2016This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...
Reordering Instance Editable arrays in a Character Blueprint breaks the array
Tools - Nov 14, 2017When re-arranging an array that has been added to a character blueprint, the array adds an empty value to element [0] and leaves it in a broken state. I tested this using the Level blueprint as well ...
Renaming a shot through the shot track does not rename the underlying sequence asset
UE - Anim - Sequencer - Aug 7, 2023Renaming a shot through the shot track does not change the name of the underlying asset, and causes it to no longer match when looking for takes ...
Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials
UE - Graphics Features - Jul 10, 2014Using both an Atmospheric and Exponential Height Fog will cause an issue rendering Translucency-based Materials. (See Screenshots below) IMPACT: Cannot use both Atmospheric Fog ...
[CrashReport] Assertion due to failing to find shader type
UE - Graphics Features - Apr 26, 2017This is an early trending crash in the 4.16 Preview. User information has not been provided, but this shares similarities to an old jira [Link Removed]. Source context: 1434 /** Finds the ...
Linux Multi-Monitor Support Issues on GNOME Shell
UE - Platform - Linux - Dec 6, 2017Users with GNOME Shell installed have reported having issues with multi-monitor support when the monitors are not equally sized or the same aspect ratio. If the application is moved from a smaller ...
Changing Shadow Quality causes SingleLayerWater Materials to disappear
UE - Rendering Architecture - Materials - Nov 15, 2022Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...
Enhanced input actions with Down triggers mapped to gamepad buttons can get into a bad state after viewport focus is lost
UE - Gameplay - Input - Mar 20, 2024When we have an enhanced input input action that uses a Down trigger and is mapped to a gamepad button, for example Gamepad Face Button Left, it can get into a bad state when the game is unfocused. ...