Engine crashes while attempting to resimulate procedural foliage volume with target layer set on landscape proxies

UE - World Creation - Worldbuilding Tools - Foliage - Apr 17, 2015

If a procedural foliage volume attempts to use the "target layer" feature and resimulate while encompassing a landscape proxy, the editor will crash. Frequency: 3/3 Crash Report: [Link Removed] ...

Specular reflections break when using Forward Shading

UE - Graphics Features - Sep 3, 2020

Forward Shading under 4.25.3 seems to break something in the Hair shading model. Default Lit seems to behave normally. Reported and tested in 4.25.3(CL 13942748). ...

ListView crashes when GlobalInvalidation is enabled.

UE - Editor - UI Systems - Slate - Jan 11, 2022

Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...

Deleting static mesh that is used by foliage tool in content browser then selecting foliage window crashes editor

UE - World Creation - Worldbuilding Tools - Foliage - May 11, 2015

If a static mesh is being used by the foliage tool and then deleted in the content browser, the foliage tool will retain a copy of the object and crash the editor if the foliage window is selected a ...

Text3d renders backwards.

UE - Rendering Architecture - RHI - Aug 10, 2020

When adding a Text3D actor (after placed as Child Component), into viewport the actor renders backward and not as expected. I was able to reproduce this issue in 4.25.3, but did not have this issue ...

Crash when double clicking on RowStruct's CurveEditor

UE - Editor - Applied Usability - Mar 15, 2024

This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced.  ...

Editor sometimes crashes when trying to compile an Animation Blueprint that extends a class with AnimInstanceProxy

UE - Anim - Runtime - Anim Blueprints - Jan 10, 2023

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Seems to work fine when compiled once, but after the 2nd or 3rd time it crashes. ...

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 ...

Third Person C++ Template Package Fails to Launch with Assert Error Window

UE - Anim - Runtime - Apr 7, 2022

Occurs 3/3 times. Third Person C++ Windows package crashed on launch with Assert Error Window (see attached screen capture) Regression occurs: Repro'ed in //UE4/Release-4.27 EGL Live @ CL18429761 ...

Material With Hair Shading Model Draws On Top Of SSAO

UE - Graphics Features - Feb 6, 2017

The Hair shader no longer allows ScreenSpace AO on areas of the screen it occupies. While in the Ambient Occlusion Visualizer it appears that the material draws on top of the SSAO. REGRESSION? Yes ...