Unreal Engine Issues
Unreal Engine Issues
ChaosCacheManager is not recording the Observed GeometryCollections NotifyBreak states between level loading and will default to false if changed from Record to Play
UE - Simulation - Physics - Mar 28, 2025ChaosCacheManager (CCM) is not recording the Observed GeometryCollections (GC) NotifyBreak states between level loading and will default to false if changed from Record to Play. AChaosCacheManager ...
Crash when running "MAP REBUILD ALLVISIBLE" with hidden sublevels and then changing maps
UE - World Creation - Worldbuilding Tools - Sep 1, 2025Running the MAP REBUILD ALLVISIBLE editor command when the current map contains hidden sublevels causes a crash upon changing maps. The issue seems to be related to hidden sublevels being cleared in ...
Creating a new level in content browser does not give user option of default/empty level
Tools - Sep 8, 2015Creating a new level in the content browser does not give user the choice of a default or empty level. ...
Creating a BSP modifies the default brush, adversely affecting placement of Volumes
UE - LD & Modeling - Modeling Tools - BSP - Aug 12, 2016When a new BSP is created, modifications are made to the level's default brush. These changes affect how volumes are placed, with different BSPs causing different behavior in volume placement. ...
Incorrect behavior from RotateAboutAxis material node
UE - Graphics Features - Feb 24, 2017Looks like the axis creation may be failing in some cases causing the rotation to generate a bad result. ...
"ERROR: Client target not found!" When packaging client after enabling or disabling a plugin
Tools - Jun 5, 2018"ERROR: Client target not found!" When packaging client after enabling or disabling a plugin. This will happen on both developer or shipping client as the build configuration.UATHelper: Packaging (W ...
Sequencer render movie output not rendering Construction Script results
UE - Anim - Sequencer - Nov 15, 2018The rerun construction feature works while scrubbing/playing in the sequencer and observing the results in viewport, However, when outputting the movie using Sequence Movie Output. The results of th ...
Adding Niagara system to a projectile causes a crash
UE - Niagara - Jul 29, 2019Adding a Niagara system to a BP_Projectile in a C++ First Person Project and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...
Anim sequence in DLC leads to crash in IOS.
UE - Platform - Mobile - May 19, 2020DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...
Transform gizmo behaves incorrectly in the Blueprint editor viewport if multiple child components are selected and their parent component is rotated 90 degrees around Z.
UE - Framework - Blueprint Editor - Nov 12, 2020When multiple child scene components are selected and their parent is rotated 90 degrees about Z, attempting to use the transform gizmo will move the components in the wrong direction relative to th ...