Shadows flicker when using spotlight

UE - Graphics Features - Jun 5, 2019

The shadows on a spotlight flicker whenever the camera is moved.  Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 6845209) ...

Screen space reflections are flickering when using no Anti Aliasing

UE - Graphics Features - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

Crash when removing mesh and undoing in Character Blueprint

UE - Gameplay - Blueprint Editor - Aug 9, 2023

When removing a mesh from a Character BP and undoing the engine will crash. This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is NOT occurring in //UE5/Release-5.2 @ CL 2600198 ...

Static Offset in IK Retargeter does not save position when restarting the editor

UE - CAPT - Retargeting - Sep 19, 2023

When editing an IK retargeter, a static offset's value will get reverted to zero when UE is restarted. Tested in the following: //UE5-Release-5.3-CL-27405482 //UE5/Release-5.2-CL-26001984 ...

Crash importing SOLIDWORKS model

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 1, 2018

UE5 Main - Editor crashes when creating a Data Table

UE - Editor - Feb 14, 2022

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Crash on Build All Levels

UE - World Creation - Worldbuilding Tools - HLOD - Apr 7, 2022

Crash on Build All Levels after a HLOD warning. EXCEPTION_ACCESS_VIOLATION reading address 0x00000000000000f0 ...

Xcode 8 Beta Toolchain Breaks InfiltratorDemo on AMD On 10.11.6

UE - Platform - Apple - Jul 27, 2016

InfiltratorDemo rendering is entirely broken on 10.11.6 using AMD GPUs when the shaders are compiled to byte code using the Xcode 8 Beta 2 toolchain. This does not appear to occur with the Xcode 7.3 ...

A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function

UE - Gameplay - Blueprint - Sep 11, 2015

A Function input's type is set as Wildcard by default if a Macro with a Wildcard input is created before the Function. Compiling will fail with an error. Reproduced in 4.8.3 binary, 4.9.0 binary, a ...

Log Spam Warnings when adding a font in the Font Editor

Tools - Jan 12, 2017

Adding Font to a Font asset spams the Output Log with warnings This is a Regression from 4.14.3 Warnings:LogStreaming:Warning: Failed to read file '' error. LogSlate:Warning: GetFontFace failed t ...