Android ETC2 Debug Builds Crash on Startup

UE - Platform - Mobile - Sep 9, 2020

Android apps build with the debug configuration on ETC2 will crash on launch. ...

Entering 'Games App Id' for Google Play Services without configuring apk packaging first crashes the editor

UE - Platform - Mobile - Jun 12, 2015

User reported that he was experiencing a crash when attempting to put in Games App ID in Android section of project settings. Note that this occurs only if the Configure Now button in the APKPackagi ...

Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor

UE - Graphics Features - May 29, 2025

In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...

Packaged project crashes on launch if third string literal in NSLOCTEXT macro is an empty string

UE - Editor - UI Systems - Localization - Aug 30, 2018

Using the NSLOCTEXT macro with the third string literal as an empty string causes a packaged game to immediately crash on launch. No Crash Reporter window opens, and no log is created. A sample pro ...

Editor crashes when calling "Begin Draw Canvas to Render Target" on Event Tick

UE - Graphics Features - Aug 20, 2020

The recent hotfix caused this workflow to begin crashing. User reports that it worked as intended in 4.25.2 (CL-13908680). We are unable to reproduce it in 4.24.3 (CL-11590370) either. Crash is ha ...

Set Material in Blueprint Causing Crash

UE - Graphics Features - Jul 30, 2018

Using "Set Material" for a static mesh in blueprint causes a crash. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4233996 and 4.21 CL# 4234136 This is a regression. ...

Crash playing a HapticFeedbackEffect_Soundwave with no sound assigned

UE - Platform - XR - Sep 13, 2016

Crash attempting to use a HapticFeedbackEffect_SoundWave with no sound set on it (i.e. a newly created one.) Found on: 4.13.1 Binary CL-3120228 //UE4/Release-4.13 CL-3123398 Similar to [Link Remo ...

Low Frequency Crash when rendering a movie in Sequencer

UE - Anim - Sequencer - Feb 10, 2017

Note This is a low frequency 1/3 times attempted. I could not accurately reproduce this crash. Based on crash reporter, this never happened in 4.14 so this is a regression ...

UMG textfield crash with using Metal

UE - Graphics Features - Dec 12, 2016

UMG textfield crash with using Metal after switching screens and spamming a UMG text field. User provided an example video for reference. Link: [Link Removed] ...

Crash on exit PIE after editing character blueprint of a code based side scrollers

UE - Gameplay - Apr 4, 2016

After editing character blueprint of a code based side scroller project, starting PIE will show the camera detached from the character and exiting PIE causes the project to crash. NOTE: This appear ...