Unreal Engine Issues
Unreal Engine Issues
Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script
UE - Gameplay - Components - Oct 6, 2015Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script. Note: this would work in 4.8.3. Reproduced in 4. ...
CRASH: Editor Crashes When Minimum Value of X Axis Range in 1D Blendspace is not set to Zero
OLD - Anim - Nov 17, 2014Crash Reporter: [Link Removed] In a Blend Space 1D, setting the minimum value to any variable other than zero then applying and saving results in the editor crashing. Since being labeled "fixed," ...
Show Navigation does not work in a packaged build
UE - AI - Mar 9, 2015USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...
Material expression "FloatToUInt" can trigger a check() when input is invalid
UE - Rendering - Architecture - Materials - Mar 11, 2026When a "Float to UInt" Expression is used in a Material Graph with a valid direct input connection that fails to evaluate, function UMaterialExpressionFloatToUInt::Compile() does not catch the input ...
Splash screens do not appear in Gear VR
UE - Platform - XR - Apr 28, 2017A splash screen that has been set up in the DefaultEngine.ini with the following settings does not show in Gear VR[Oculus.Splash.Settings] bAutoEnabled=True TexturePath=/Game/Texture/AICON-Green ...
Displaying Revision control history for a file ending in an "undo" of a revision can cause a crash
UE - Editor - Jun 18, 2024This crash is caused by how source control history is managed and shown. In this specific case the source control software is Perforce. As written in the repro steps, it can happen to any uasset tha ...
Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable
For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...
Crash Occurs on Project Load When Casting a Child Actor Component's Parent to the Parent Class
UE - Gameplay - Blueprint - Dec 5, 2016A crash is occurring on project load when attempting to use GetParentActor and cast that to a Parent class that contains a child actor component inside of that child actor component's blueprint. T ...
[CrashReport] UE4Editor_BlueprintGraph!BlueprintActionFilterImpl::IsEventUnimplementable() [blueprintactionfilter.cpp:588]
UE - Gameplay - Blueprint - Jun 1, 2016This crash has been reported through the 4.12 Previews and is continuing to occur in the 4.12.0 release. Additional information about this crash is not available at this time, however it may be the ...
SourceControl: Error: Operation 'UpdateChangelistsStatus' not supported by source control provider 'Subversion'
UE - Editor - Apr 15, 2021When trying to check in a new asset or changed asset via the source control menu or Tools menu, an error comes up in output log. SourceControl: Error: Operation 'UpdateChangelistsStatus' not suppor ...