Animation Modifiers that contain a null Animation Sequence value cause the Engine to crash when applied to an Animation Sequence

OLD - Anim - Nov 14, 2018

When an Animation Modifier passes a null Animation Sequence value to an Animation Sequence the Editor will crash. This is a regression from 4.20.3 (CL-4369336). This was reported and tested in 4.21 ...

Crash occurs when a struct containing an instanced object property is used as the value for a TMap in a class that is subclassed in Blueprints

UE - Foundation - Core - Mar 23, 2017

Using a struct containing an instanced object property as the value for a TMap results in a crash if a Blueprint of the class containing the TMap is subclassed and the child Blueprint is opened the ...

Changing reflection capture resolution after setting preview rendering level to Android ES3.1 crashes the editor

UE - Graphics Features - Nov 20, 2019

Applying a new reflection capture resolution after changing Preview Rendering Level to Android ES3.1 results in crash. Tested in: 4.24 P3 CL#10283392    4.25CL#10303496 ...

Using copy and paste twice with a button named "<" with a child attached to it of text name ">" will cause a crash

UE - Editor - UI Systems - Mar 2, 2015

The user can use special character when naming widgets in widget blueprints which can cause some issues. In this case naming a button "<" and adding a child text block to the button named ">" will c ...

Logic error in TRange::Difference causes crash when you Trim and Preserve Left/Right and unbounded Attach section in the sequencer

UE - Anim - Sequencer - Aug 1, 2024

TRange::Difference function does not handle bounds correctly, causes crash in the sequencer when "Trim And Preserve Left/Right" is used in the user's example project. User provided a potential fix: ...

Crash when Previewing specific LODs within Static Mesh Editor at certain Screen Resolutions

Tools - Oct 27, 2016

A crash occurs when attempting to preview specific LODs when the monitor resolution forces the menu to be expanded when selecting an LOD. This Jira was created from CrashReports submitted by the pu ...

Editable Text crashes on Android

UE - Platform - Mobile - Sep 3, 2015

Editable text crashes the project on Android devices. This does not happen on iOS or Windows. ...

Watch Pin Crash on Softclasspath

UE - Gameplay - Blueprint Editor - Mar 26, 2020

Mousing over a softclasspath pin from a struct while debugging a Blueprint can lead to a crash.  ...

Client crashes after second seamless travel when a blueprint manually placed in the world spawns a replicated actor

UE - Networking - Sep 19, 2019

When a user loads into a level that spawns replicated actors using manually placed blueprints twice using ServerTravel with Seamless Travel enabled it will crash. It looks like the engine can't find ...

Crash on exit with NULL FTextRenderComponentMIDCache

Suggested fix is to relocate the Super::PreExit() call to the end of UGameEngine::PreExit() so that level streaming can be safely flushed before the MID cache is cleaned up. ...