Unreal Engine Issues
Unreal Engine Issues
Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask
UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...
[AI] The ZoneGraph show flag is in the ZoneGraphEditor module but used during runtime in ZoneGraph module
UE - AI - Navigation - Mar 18, 2025The show flag for ZoneGraph lives in the ZoneGraphEditor module, but it is used for debugging at runtime by the main ZoneGraph module. There are protections around the type of build and some for EDI ...
LIVE: Morph Targets do not update in Construction Script
OLD - Anim - Oct 21, 2014Morph Targets do not update in Construction Script Tested in 4.5 Release and in Latest Promoted (//depot/UE4/Promoted-CL-2323471) ...
The number ordering in the Content Browser for assests is not showing in a correct order
UE - Editor - Content Pipeline - Content Browser - Jan 9, 2015When 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, 2014Changing 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, 2015Overridden 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, 2015If 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 ...
Directx12 crashes with OOM
UE - Graphics Features - May 7, 2018In editor, when running a task that does not issue a BeginFrame/EndFrame for a long time, the GPU will eventually run out of memory. See UDN: https://udn.unrealengine.com/questions/431450/directx1 ...
Landscape Materials Layers Show "none" but are Still Able to Paint on Landscape
UE - LD & Modeling - Terrain - Landscape - Jun 15, 2015Landscape material layers show "none" after generating weight blended layers in landscape paint mode. The landscape layers are painted as normal but do not show that any layer is assigned. ...
LIVE: The Now node (FDateTime::Now) does not return the correct time
UE - Foundation - Core - Nov 18, 2014The 'Now' node does not return the correct time if ran through a 'Print String'. (NOTE: However, the 'Utc Now' node does return the correct time.) ...