Unreal Engine Issues
Unreal Engine Issues
Blueprint Add Custom Event unable to resolve delegate signature inside a split struct
UE - Gameplay - Blueprint - Apr 19, 2024This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...
Missing display units initialization from project settings
UE - Editor - Workflow Systems - Jun 11, 2024From customer: Hi there, I stumbled upon a bug where the display units as set in the Project Settings under the Editor Appearance category for properties were not getting displayed properly and was ...
Performance hitch from RemoveGeometryCache flushing the render thread
UE - Editor - Content Pipeline - Alembic - Jun 12, 2025FGeometryCacheStreamingManager::RemoveGeometryCache calls FlushRenderingCommands which shows up as a hitch when profiling. [Link Removed] Ideally the flush added in CL#23782411 to fix a rare deadl ...
Distance Fields no longer work with instances when PIE/Simulate
UE - Graphics Features - Apr 20, 2015When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...
Editor movement control regression
Tools - Jul 8, 2015Using Ctrl+Drag in 4.8 will not affect the location of selected actor if the viewport camera is facing away from selected actor. In 4.7.6 the actor would travel along the X axis even if the camera ...
Game sounds only play during first PIE editor session for Linux project
UE - Platform - Linux - May 11, 2015Games sounds will play as appropriate during first PIE session but subsequent PIE sessions have no sound until editor is closed / reopened. ...
Joining a session in PIE with Auto Connect To Server disabled will crash PIE
UE - Networking - Nov 11, 2015Joining a session in PIE with Auto Connect To Server disabled will crash PIE. Note: this is not specific to the Multiplayer Shootout project used in the repro steps; this will occur in any project ...
The Default Value for a Timespan variable resets whenever its Blueprint is compiled
UE - Gameplay - Blueprint - Nov 30, 2014The Default Value for a Timespan variable resets to 00:00:00.000 whenever its Blueprint is compiled. ...
Set Timer node does not stop the timer if it is set to zero by the Custom Event
UE - Gameplay - Feb 20, 2015Set Timer node does not stop the timer if it is set to zero by the Custom Event. This is also true if Set Timer Delegates are used. ...
Altering Player Controller in Gamemode resets upon reloading project
UE - Gameplay - Blueprint - Nov 26, 2014If a user sets the player controller to a custom Player Controller inside of a gamemode, then compiles, saves, and closes both the blueprint and the editor. Upon reloading the player controller in t ...