Unreal Engine Issues
Unreal Engine Issues
Equals (==) node in blueprint is case sensitive for the Cyrillic alphabet
UE - Foundation - Core - May 21, 2015If two strings or names are compared in blueprint using the Equals (==) node, it is not case sensitive in English. It is case sensitive in Cyrillic however, even though it should be the same functio ...
Creating a FText variable in code causes child blueprint to not update on compile
UE - Gameplay - Blueprint - Dec 4, 2015If a class has an FText variable defined in code when a blueprint based on the class is placed in the level it does not update the BP variable if it is changed/ compiled. ...
Build Warning when HotReloading - LogUObjectGlobals:Warning: Guid is already used by
UE - Gameplay - Blueprint - Sep 12, 2016Changing class code causes class instance placed in the viewport to produce the warning message shown below upon hot reload. Also reported that callstack occurs but does not crash the editor. The ...
Regression for UPROPERTY specifier causing crash ("Template Mismatch during attachment") during PIE
UE - Foundation - Core - Jun 19, 2015If the UPROPERTY() specifier "VisibleDefaultsOnly" or "EditDefaultsOnly" is used on a component reference that is attached to the root component selecting the actor with this component in the world ...
Editing static functions in Blueprint Function Libraries with hotreload can cause saving issues with blueprints calling them
UE - Gameplay - Blueprint - Sep 26, 2016When editing a Static function from a Blueprint Function Library, any blueprints that have already had it added are unable to be saved. This can be worked around by removing the node and adding it a ...
Changing code based component category causes component to become ineditable in blueprints
UE - Gameplay - Blueprint - Mar 27, 2015When a component written in code has it's category setting changed in blueprint the rest of the details for that component will not be editable once the component is deselected and reselected. ...
Random Number Generated in Constructor Returning Different Value on Begin Play
UE - Gameplay - Jan 13, 2016When generating a random number using FMath::RandHelper() in the constructor of an actor, attempting to print that same number on BeginPlay returns a different value than the constructor. However, ...
Code based ParticleSystemComponent does not default to parent actor location
UE - Gameplay - Dec 27, 2016When a particle system component is created in code, the particle system component will appear at world origin rather than parent actor origin if AttachToComponent / SetupAttachment / etc. is not ex ...
[AI] StateTree can get stuck in a loop when a sub-tree returns Tree Succeeded
UE - AI - StateTree - May 30, 2023After a change to how StateTree handles Sub-trees returning succeeded, StateTree can now get caught in a loop when trying to transition out of the StateTree. Sub-tree completion and status should tr ...
Save Data Does Not Delete After Actors in Sequencer are Deleted and File Size Continues to Grow
UE - Anim - Sequencer - Oct 9, 2017Link that the user included with their Answer Hub ticket: https://answers.unrealengine.com/questions/713209/levels-uneditable-editor-stuck-with-updating-asset.html The file size is not maintaining ...