Unreal Engine Issues
Unreal Engine Issues
Disabling the Paper 2D plugin causes a packaged project to not open
UE - Foundation - Cpp Tools - Automation Tool - Jun 19, 2017When working in a project that is in 4.16, disabling the Paper2D plugin causes a packaged version of the project to not open. This issue is different from previous versions as disabling the plugin i ...
Engine crash from opening level bounds blueprint after project reopens
UE - Gameplay - Blueprint - Jun 2, 2017There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...
When a fixed delta time step of 0.02 or higher is used with some skeletal mesh objects, rotational forces applied using AddTorque have no affect on the skeletal mesh.
UE - Simulation - Physics - Jan 27, 2015Using AddTorque to apply a rotation to a skeletal mesh does not always provide the expected results if a fixed time step is being used. When doing this to the Owen character in the Content Examples ...
Landscape Grass Foliage Instances Culling Incorrectly
UE - World Creation - Worldbuilding Tools - Foliage - Feb 20, 2017Foliage instances are culling incorrectly and seem to cull based off of the landscape components and/or entire foliage clusters. Regression? Yes, this issue does not occur in the 4.14.3 binary rele ...
Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug
UE - Foundation - Feb 28, 2025In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...
Can not affect "r.SetRes" command in editor new window
UE - CoreTech - Jul 11, 2022When playing in "New Editor Window" mode, entering the r.setres command does not change the screen size. This worked in UE4.27, but no longer works in UE5.0. ...
Nanite meshes are lit differently in Actor Colorization view modes than non-Nanite meshes
UE - Graphics Features - Nanite - Aug 28, 2024When the Lit > Actor Coloration > Affects Navmesh or other Actor Coloration mode is used, Nanite meshes apply lighting differently than non-Nanite meshes which can make it difficult to use the Actor ...
Owner No See option does not correctly apply to widgets using screen space
UE - Editor - UI Systems - Aug 17, 2017When using the Owner No See option with Widgets, if the widget is set to display on the screen rather than the world, then the option does not affect the widget as intended. Other forms of changing ...
Crash when launching a packaged project where a code class gets a reference to a Blueprint widget that contains an instance of a Blueprint struct
UE - Gameplay - Blueprint - Aug 3, 2017A packaged project will crash on launch if a code class uses ConstructorHelpers::FClassFinder to get a reference to a Blueprint Widget that contains a Blueprint struct variable. Disabling EDL in the ...
Cannot resize comment box when new comment is created on top
UE - Rendering Architecture - Materials - Apr 27, 2017Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...