Unreal Engine Issues
Unreal Engine Issues
Arrays in UMaterialEditorInstanceConstant are not updated
UE - Rendering Architecture - Materials - Jun 13, 2025Any UPROPERTY TArray added to UMaterialEditorInstanceConstant will not cause UI updates when elements are added or removed. This is caused by the custom validator created in FMaterialInstanceEditor ...
Extending Montage Segment length causes length to reset to default in new Editor Session
OLD - Anim - Jan 4, 2016Licensee is encountering an issue where they would like a segment of a montage to end and hold the last frame for the remainder of the segment length. He is doing this by adjusting the End Time und ...
Component tags do not register on actors
UE - Gameplay - Oct 30, 2015Component tags do not register when checked within blueprints. ...
Packaged games do not display PlayerName correctly using Steam OSS
UE - Online - Jan 2, 2016Packaged games do not display PlayerName correctly using Steam OSS. Does not occur in Standalone. Test project attached. To test, package for Development > Win64. When run (with the Steam client op ...
All additional Body Parts are hidden if main mesh is out of camera frame in Persona
OLD - Anim - Aug 18, 2015If you have a small main mesh and use the "Additional Body Part" section of Persona to preview other meshes, they become hidden if the main mesh is out of the camera frame. [NameRemoved]: Can we ju ...
After changing Slot Name field, Slot node does not update until you re-open the AnimBP
OLD - Anim - Jun 9, 2015After changing the Slot Name field, the Slot node does not update with the new name until you close and re-open the Animation Blueprint ...
Live: Crash when opening a blueprint who's component was edited in VS
UE - Gameplay - Blueprint - Oct 31, 2014Added functionality to a blueprint component through code and built the project in VS. After a hot reload, I saved the blueprint and closed the editor. Reopening the editor and the blueprint cause ...
Adding rotation to a bsp breaks extrusions
UE - LD & Modeling - Modeling Tools - BSP - Aug 24, 2015Adding Rotation to a bsp breaks future extrusions, causing them to incorrectly render. ...
Imported .csv from Excel does not recognize cyrillic characters
Tools - Aug 11, 2015If a .csv created in Microsoft Excel is imported into the editor, any cyrillic characters in the data table will appear as question marks or blank boxes. Note: According to user, this does not occ ...
Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam
UE - Gameplay - Jun 24, 2015Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...