Unreal Engine Issues
Unreal Engine Issues
Blueprint Class functions are overridden in packaged shipping project.
UE - Gameplay - Blueprint - Mar 14, 2015When using a child blueprint that calls a parent blueprints tick and its functions, The event is not being called if you package the project for shipping Win (32-Bit) Pictures of the Parent BP are ...
The 'Set Constrained Components' node doesn't set the physics constraint components correctly if used in the Construction Script
UE - Simulation - Physics - Jan 20, 2015The 'Set Constrained Components' node doesn't set the physics constraint components correctly if used in the Construction Script. ...
Destructible Mesh component doesn't show in bp viewport until the bp is reopened
UE - Simulation - Physics - Destruction - Jun 10, 2016Destructible Mesh component doesn't show in bp viewport until the bp is reopened User Description: Mesh dont appears in viewport after add DestructibleComponent and set "Destructible Mesh". After ...
ULevelInstanceSubsystem::CreateLevelInstanceFrom() is not honoring parameters bAlwaysShowDialog and LevelPackageName
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 6, 2025A Level Instance or Packed Level Actor can be created through editor scripting by using function ULevelInstanceSubsystem::CreateLevelInstanceFrom(), which receives parameters packed in the FNewLevel ...
Add Code to Project fails to add a class to the project
UE - Foundation - Core - Mar 16, 2015Add Code to Project fails to add a class to the project. The project can't be reopened until the classes are manually removed and the project is recompiled. The following errors occur when using Add ...
Fixup Redirectors doesn't work in the editor
Tools - Apr 28, 2015Fixup Redirectors doesn't work in the editor when showing redirectors using the filter and then choosing Fixup. The maps that reference the redirectors aren't being checked out and fixed. I'm just g ...
[CrashReporter] Crash in FAnimNode_StateMachine::Evaluate()
OLD - Anim - Aug 22, 2016This JIRA was created as a result of it being one of the top crashes occurring in 4.13 Preview 2 Error message: Access violation - code c0000005 (first/second chance not available) Source Context ...
[Submix][Recording] - Existing Sound Wave to Overwrite option has no effect
UE - Audio - Submixes - Jul 29, 2021This is an old bug that looks like it never made its way into JIRA. Adding for documentation. ...
Retargeting Pose From Mesh Does Not Retarget With Source Mesh Component and Skeletal Mesh Variable Types
UE - Anim - Rigging - Retargeting - May 11, 2022Occurs 5/5 times *Regression *does not occur: No Retargeting Pose From Mesh node in //UE4/Release-4.27.2. Retarget Pose From Mesh node does not retarget when used with Source Mesh Component and Sk ...
CitySample - Level MassCrowd - interactions with SmartObjects/ContextualAnimScene is broken in 5.5
UE - AI - Apr 9, 2025The 5.5 version of the CitySample project, particularly the MassCrowd scene, was not properly maintained. The previously working functionality of NPCs being able to sit on a bench is now broken. CAS ...