Editor crashes when adding a parameter to a material when using Forward Shading and DX12

UE - Graphics Features - Apr 24, 2019

Setting the default RHI for Windows to DX12 and enabling Forward Shading results in a crash when adding a texture sample parameter to a material. Found in 4.22 CL# 5660361 and 4.23 CL# 6074473 Wor ...

Deprecated blueprint variable fixups may fail depending on loading order

UE - Framework - Blueprint - Mar 7, 2024

There is currently no simple way to do a deprecated variable fixup on native variables that are set by a blueprint class. For a simple variable rename, CoreRedirects can be used and will work proper ...

Setting AnimationMode to "UseAnimationAsset" inside Sequencer might not be set properly.

UE - Anim - Sequencer - Sep 30, 2024

Adding a new key inside a LevelSequence that changes the AnimationMode of a SkeletalMesh to "Use Animation Asset" can bug out the AnimationMode constantly change between "UseCustomMode" and "UseAnim ...

Editor Crashes When Undoing Paint Mode Selections

Tools - Sep 29, 2016

Attempting to use the paint mode tool on meshes in the level and then undo/redo the changes will cause the editor to crash. ...

Crash closing Parent and Child blueprint after renaming variable

UE - Gameplay - Blueprint - Oct 4, 2017

REGRESSION Uncertain, was not able to repro in 4.17 with these steps. But I also can't repro with another version of QAGame in Binary editor. Crash occurs when the user closes a parent and child b ...

Crash creating a new level sequence and then loading a new level

UE - Anim - Sequencer - Aug 4, 2016

Crash creating a new level sequence and then loading a new level ...

Assert When Saving Over Existing Level With Built Lighting

Tools - Apr 17, 2017

While saving over an existing map the engine will crash if both maps have baked lighting. ...

Importing Mesh with "Import Animations" enabled crashes editor.

OLD - Anim - Nov 13, 2015

After importing a mesh with "Import Animations" enabled the editor crash's. Importing only the mesh does not crash the engine. Importing animation separately and assigning to Skeletal mesh on import ...

Lightmass crash after finished building and hitting save

UE - Foundation - Core - Mar 19, 2015

User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...