Masked material using virtual textures covering a decal will result in black pixels

UE - Graphics Features - Nanite - Mar 31, 2025

Depth Passes for Masked Materials using Virtual Textures does not work correctly when it is in front of a Nanite Mesh and a Decal, resulting in black artifacts. Also tested on //UE5/Main, CL: 41024 ...

Regression for UPROPERTY specifier causing crash ("Template Mismatch during attachment") during PIE

UE - Foundation - Core - Jun 19, 2015

If the UPROPERTY() specifier "VisibleDefaultsOnly" or "EditDefaultsOnly" is used on a component reference that is attached to the root component selecting the actor with this component in the world ...

Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level

UE - Gameplay - Blueprint - Oct 26, 2015

If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...

Upon editor restart, some Break Struct nodes display a string of letters & numbers

UE - Gameplay - Blueprint - Mar 25, 2015

Update: 4/14/2015 Another report of this error: https://answers.unrealengine.com/questions/206466/blueprint-still-dirty-after-compile.html#answer-211801 =========================================== ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

UE - Platform - Apple - Jan 13, 2016

Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...

Compare Blackboard Entries returns incorrectly when comparing Enums

UE - AI - Apr 17, 2015

While investigating an issue with enum comparisons breaking when the enum changes, I discovered that the comparison will not return true if set to "contains NOT EQUAL values" and the values are not ...

Source control syncing in editor will sometimes not update changes made to assets

Tools - Aug 25, 2015

When using source control and attempting to sync the project, sometimes assets are not updated to the latest changes properly. This causes changes made to those assets later to override previous ch ...

(Undo Crash in BPs) [CrashReport] UE4Editor_Core!rml::internal::Block::findObjectSize()

UE - Gameplay - Blueprint - Jul 25, 2017

This is a trending crash in the 4.17 Preview. There was one occurrence of this callstack months ago in 4.15.1, but a number of recent ones in 4.17. User DescriptionsI was pressing cltr+z severl ti ...

[CrashReport] UObjectBaseUtility::IsA | UObjectProperty::SerializeItem

UE - Gameplay - Aug 15, 2017

This is a trending crash coming out of the 4.17 release. Update: also occurring in 4.18 User DescriptionsCompiled after Refreshing Blueprint node after changine its namePressed compile after creat ...

Importing FBX file with same material slots and texture names has bugs

UE - Editor - Content Pipeline - Import and Export - Jul 31, 2020

When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...