Unreal Engine Issues
Unreal Engine Issues
Struct does not appear to save changes after compiling and saving it resets to null
UE - Gameplay - Blueprint - Apr 23, 2019When making a change to a struct that is used in a blueprint some assets do not appear to save changes. Additional notes: Using the Reload option (Right click struct > Assets actions > Reload) app ...
Renaming a struct variable with special characters shows no warning
UE - Gameplay - Blueprint - Sep 23, 2015When you go to rename a struct variable, there are no warnings that indicate that you cannot use special characters, but they are immediately deleted if you try to use them in the variable name. F ...
Structs appears to display incorrectly in behavior tree nodes
UE - AI - Oct 7, 2016When editing a behavior tree blueprint, if one of the custom nodes created and placed in the behavior tree has an "Editable" variable of a user defined struct type, then the variable's value appears ...
Exclusive Nativization Method will nativize unselected struct blueprints
UE - Gameplay - Nov 20, 2017When the Project Nativization method is set to Exclusive, packaging the project will cause any struct blueprint (UUserDefinedStruct asset) to be nativized, without actually setting nativization on t ...
Crash When Opening a DataTable Based Off a Struct With a Timecode Variable
UE - Anim - Sequencer - Mar 30, 2020When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...
Nativized blueprint does not support reading values from TRange structs
UE - Gameplay - Blueprint - May 10, 2021Compile errors will occur during packaging with Blueprint nativization enabled if e.g. "Get" nodes are placed in a Blueprint on FFloatRange struct types (or any other explicit TRange derivative) and ...
Crash on packaged game with Struct containing Enum and Nativization on
UE - Gameplay - Blueprint - Jun 20, 2017There is a crash occurring with a packaged game that has a Struct containing an Enum inside of it, as well as having the nativization on, the issue does not occur if Nativization is turned off. The ...
Adding Elements to multiple Struct Arrays of a specific variable type is unreliable
UE - Gameplay - Blueprint - Aug 25, 2015Adding Elements to multiple Struct Arrays of variable 'Slate Brush' is unreliable. ...
Renaming an input class or struct to a Chooser breaks evaluation of EvaluateChooser node
UE - Anim - Gameplay - May 23, 2025The evaluate chooser node generates input pin names based on the parameter class / struct names. When that class or struct's name is changed, the pin doesn't update to account for that and so we si ...
BP Struct's 'Bool variable' will reset back to it's default value on compile
UE - Gameplay - Blueprint - Mar 18, 2015BP Struct's 'Bool variable' will reset back to it's default value on compile. ...