Unreal Engine Issues
Unreal Engine Issues
Actors removed from the world are unregistered both before and after EndPlay
UE - World Creation - Worldbuilding Tools - Nov 5, 2024Actors that are removed from the world have UnregisterAllComponents called twice. Removal can be caused by unloading a data layer that owns the actor. In cases like exiting the application or destr ...
Incorrect mesh deformation when Max World Position Offset Displacement used
UE - Graphics Features - Nanite - Feb 12, 2025When Vertex Animated Texture is used to animate a mesh with World Position Offset, often the Max World Position Offset Displacement Material setting must be increased or the Bounds Scale increased, ...
Level Actors that are converted to a Blueprint using "Convert Selection to Blueprint Class" and using "Harvest Components" as the CreatingMethod, does not sanitize dots (.) character and make them invalid for operations like StaticFindObject.
UE - Framework - Blueprint Editor - Feb 20, 2025When Level Actors are converted into a Blueprint using the "Convert Selection to Blueprint Class" option with "Harvest Components" as the creation method, the conversion process does not sanitize do ...
Anim State Notifies Don't Consistently Fire Begin/End Events for Looping Anim Sequences
UE - Anim - Runtime - Anim Blueprints - Jun 9, 2025If you have an Animation Notify State and set it up on an animation to start at the exact beginning of the anim sequence and finish exactly at the end (I have attached a picture of this). It doesn't ...
Critical Errors when replacing references of blueprints
Tools - Mar 26, 2015If an instance of a blueprint is in the scene selecting it and another blueprint and choosing the option to Replace references of the one in scene with the other will cause Critical Failure errors. ...
Re-importing animations from .fbx created in blender stops animation from correctly animating
OLD - Anim - Feb 4, 2016Re-importing animations from .fbx created in blender stops animation from correctly animating. ...
Custom functions can call Set Timer nodes
UE - Gameplay - Blueprint - Nov 11, 2015Custom functions can call Set Timer nodes. There are no other time related functions that can be called through custom functions. Calling a timer through custom functions seems to lead to editor cra ...
Render Target as Material Image in UMG is Clipped when setting Fullscreen in Standalone (Alt+Enter)
UE - Editor - UI Systems - Jun 1, 2015Render Target Material is clipped as an Image within UMG when attempting to set to fullscreen while playing in Standalone mode. The interesting thing I noticed about this bug is that the issue is n ...
FDateTime is not correctly formatted by As Date Time when using any dates before January 1st, 1970
UE - Editor - UI Systems - Localization - Mar 30, 2015FDateTime is not correctly formatted by As Date Time when using any dates before January 1st, 1970. From a conversation on Slack with MaxP: this is probably an underflow the ICU based string format ...
Having a project for iOS set to only allow Landscape Right with show incorrectly on an iOS device
UE - Platform - Mobile - Jan 23, 2015When you are packaging and deploying your project to an iOS device, If Supports Landscape Right orientation is the only Orientation checked, It will show incorrectly on the iOS device. Tested on an ...