EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor

UE - Online - Jan 10, 2022

This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...

The number ordering in the Content Browser for assests is not showing in a correct order

UE - Editor - Content Pipeline - Content Browser - Jan 9, 2015

When naming assets in the Content browser, If you include a number within the name, as long as the name is the same as other Assets, the numbers will not be shown in ascending order. Included 2 ph ...

LIVE: Changing a Custom Event to Multicast in a parent blueprint causes crash

UE - Gameplay - Blueprint - Nov 13, 2014

Changing a Custom Event to Multicast in a parent blueprint causes crash if the Custom Event is being used in the child blueprint. Callstack: MachineId:DE189244480D3CD0F8CA729A02DD38A6 UserName:tjb ...

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid

UE - Gameplay - Blueprint - Feb 7, 2015

Overridden Interface Functions in Child BPs lose array output pins after closing/reopening the project and become invalid. Reproduced in Main //depot/UE4/Promotable-CL-2434822 ...

UMG Throbber is not showing in project when using 'Set Number of Pieces' node off of Event tick

UE - Editor - UI Systems - Apr 22, 2015

If you add a throbber to a UMG Blueprint and use the Graph of the Blueprint to change the 'Set Number of Pieces' and use 'Event Tick' to tick the widget, the throbber widget will not appear on scree ...

Typos in Math_Hall of ContentExamples

Docs - Samples - Sep 20, 2016

Need to update label from 0 to 1 on the left slider of display 1.6Need to update labels for small slider on display 1.10 to display 0, 1, 2 as those values can go up to 2Need to update 1.12 Example ti ...

Crash: Changing Material Property Overrides of Material Instance

UE - Graphics Features - Dec 14, 2016

When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...

[CrashReport] UE4Editor_Sequencer!FSequencer::Tick() [sequencer.cpp:439]

UE - Anim - Sequencer - Aug 21, 2017

This is a common crash that has occurred since at least the 4.10 release, although there seems to be a gap where it may not have occurred through the 4.12-4.14 releases, but returned with 4.15. Use ...

Navigation mesh is generated ignoring collision for ISM added by construction script

UE - AI - Navigation - Apr 15, 2025

When opening a map with ISM in place, NavOctree is not updated because the ISM bounds are assumed invalid and the geometry is not taken into account in the navmesh build.  The following log output i ...

Setting a float variable to a value that's beyond the maximum value of a float causes the editor to become unresponsive

UE - Editor - UI Systems - Localization - Nov 12, 2021

When inputting an extreme large value into a float variable that exceed the maximum value of a float, the engine then becomes unresponsive. I tested this with an integer variable and this did not oc ...