Unreal Engine Issues
Unreal Engine Issues
Crash when opening blueprint with collapsed nodes with structure output, split pin
UE - Gameplay - Blueprint - Jan 25, 2017If you have a collapsed graph with user defined structure as output, and if the output pin is split, the BP always crashes the editor after you reopening the project. This can also happen in level b ...
Meta Allowed Class Doesn't Allow All The Included Classes
Tools - Dec 24, 2019The Meta Allowed Classes specifier doesn't allow the user to assign anything of the second type. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#10868506 ...
Cannot debug code projects in the binary engine
UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 6, 2017Code projects in the binary version of 4.16.1 cannot be launched without the Editor in the debugger in Visual Studio. The project hits a breakpoint while launching, with the following showing in the ...
Crash Occurs When Clicking Off of Color Picker in Data Table
Tools - Jun 29, 2016When using an FLinearColor variable in a data table and editing it using the color picker, clicking anywhere off of the color picker window will cause the editor to crash. Error Message: Assertio ...
Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node
UE - Framework - Blueprint - Jul 18, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node. ...
Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class
UE - Editor - Verse Class Editor - Apr 5, 2024This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...
Get Current Floor Hit Result Normal pin disconnects upon re-opening editor
UE - Gameplay - Blueprint - Aug 8, 2016Get Current Floor Hit Result Normal pin disconnects upon re-opening editor Regression (yes) issue (does not) occur in 4.12.5 ...
State Tree Reselecting State Using Stale Event Data
UE - AI - StateTree - Mar 12, 2026When a state tree tries to reenter a state that requires an event with payload data, on re-entry the payload data will contain the same value as the first entry, even if the event sent had payload d ...
The Add node does not update in the Construction Script
UE - Gameplay - Blueprint - Feb 28, 2015The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
Editing InlineEditConditionToggle variable value causes editor to crash
Tools - Oct 7, 2016Editing property with InlineEditConditionToggle meta specifier causes the editor to crash. Workaround: Calling Super::PostEditChangeProperty after property changing code prevents crash from occurri ...