Unreal Engine Issues
Unreal Engine Issues
[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.
UE - World Creation - Procedural Tools - PCG Component - Oct 31, 2025Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...
Changing UFUNCTION Category causes function to not appear in BP right-click menu after hot reload
UE - Gameplay - Blueprint - Mar 11, 2015If a function with a Category set in its UFUNCTION macro has the value of the category changed and then compiled (hot reload), the function will no longer show up in the right click menu of the blue ...
EXR renders won't go above 640x360 when rendering from an Editor Window
UE - Anim - Sequencer - Jan 4, 2016User was attempting to render out EXR sequences and ran into an issue where anything above 640x360 caused the window to shrink and render at a lower resolution. The workaround is to "Use Separate P ...
Renaming components in blueprints resets default values for all instances
UE - Gameplay - Blueprint - Sep 15, 2015Renaming a blueprint component and presing ocmpile will reset any altered instances of the blueprint to default values. ...
Level Merging creates a new empty level and deletes only one of the two levels merged
Tools - Oct 29, 2014After merging two levels in the Levels window, only one of the two levels will be deleted and a new level will be created. Any actors in the deleted level will be deleted as well. The new level will ...
Stationary Directional Lights not Rendering Dynamic Shadows on Mobile
UE - Platform - Mobile - Jan 21, 2016As the title suggests, dynamic shadows on mobile when using a stationary directional light are not appearing at all when deployed to the device or when viewed in the mobile previewer. The odd part ...
Can only render Matinee movies with Separate Process
Tools - Aug 23, 2016Can only render Matinee movies with Separate Process. ...
The Merge Actors Tool doesn't account for rotated collision shapes when doing non-uniform scaling
UE - Gameplay - Aug 30, 2016Collision shapes for merged actors using the Merge Actor tool do not account for the rotation of the actor when combining the data. It looks like the X and Y collision shape rotation in the world ...
Reroute nodes break Cached Poses in AnimBPs
OLD - Anim - Sep 2, 2016Reroute nodes break Cached Poses in Animation Blueprints Regression: This does not occur in 4.12 ...
BSPs cannot be selected through other BSPs set to hidden
UE - LD & Modeling - Modeling Tools - BSP - Nov 17, 2015BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...