Unreal Engine Issues
Unreal Engine Issues
GAS PlayMontageAndWait: Server applies root motion with wrong scale at last montage tick
UE - Gameplay - Gameplay Ability System - Apr 3, 2024User reported: when playing an AnimMontage via GameplayAbility with the PlayMontageAndWait ability task that has a custom value for AnimRootMotionTranslationScale, (dedicated) servers can apply an i ...
Renaming a Blackboard Key removes it's references in the Behavior Tree
UE - AI - Jan 27, 2015Renaming a Blackboard Key removes it's references in the Behavior Tree ...
After breaking a level instance without Actor Folders, moving its actors between folders of the world-partition map does not work correctly
UE - World Creation - Worldbuilding Tools - World Partition - Jan 29, 2024If a standard level (without Actor Folders enabled) is added to a world-partition map (with Actor Folders enabled) as a Level Instance, and then that instance is "broken" so that its actors are inco ...
Internal Compiler error when calling a custom enum in a struct from a blueprint macro
UE - Gameplay - Blueprint - Aug 6, 2015If a macro is referencing a custom enum within a struct and compiled after another output pin is removed, an internal compiler error will appear and the blueprint will not compile. ...
Character sliding down a surface can prematurely land before reaching a walkable floor
UE - Gameplay - Player Movement - Apr 3, 2024Under some circumstances, a character falling and sliding along a sloped surface may get hung up near the bottom of the surface before actually landing on the floor. This seems to occur when slidin ...
Max Pitch Angle does not correctly apply when utilized in procedural foliage volumes
UE - World Creation - Worldbuilding Tools - Foliage - Aug 27, 2015Random Pitch Angle does not properly apply when called within a procedural foliage volume. ...
Cannot build project for Shipping when bUseLoggingInShipping is set to true for a project that uses replicated properties
UE - Foundation - Core - Mar 22, 2018Enabling bUseLoggingInShipping for a project prevents the project from being built for Shipping if the project includes replicated properties. This is only an issue with binary builds of the Engine. ...
UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation
UE - Editor - Content Pipeline - May 1, 2025UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation. The K2Result is not used later in the function, and this ...
Renaming a Struct variable that is used in a Widget BP creates 'Warning: Unknown property in' warnings in the Output Log
UE - Gameplay - Blueprint - Apr 27, 2016Renaming a Struct variable that is used in a Widget BP creates 'Warning: Unknown property in' warnings in the Output Log User Description: I think this should be brought up as these seems to be a ...
Sprite collision is inaccurate
UE - Gameplay - Paper2D - Oct 31, 2014Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...