Unreal Engine Issues
Unreal Engine Issues
Chaining AutomationTool Commands leads to an endless loop
UE - Foundation - Cpp Tools - Automation Tool - Nov 23, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...
Expose on Spawn option removed from BP Editor for User Created Structs after Migrating
UE - Gameplay - Blueprint Editor - Dec 14, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Only seems to occur with User Defined Structs. Testing with other variable types, but all ...
FJsonObjectConverter::ExportCallback_WriteISO8601Dates allows for writing FDateTime that does not have ticks
UE - CoreTech - Mar 12, 2025Context: `FJsonObjectConverter` is a built-in UE class that makes it easy to convert JSON objects to and from UStructs, including `FDateTime`, which implements a date and time. Problem: An uniniti ...
[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]
UE - Editor - UI Systems - Sep 26, 2022Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...
Editor crashes if opening a sublevel containing a navmesh when persistent level is open
UE - AI - Sep 8, 2015If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...
Changing a value inside a struct exposed to blueprints removes struct from blueprints and gives error upon compiling and saving blueprint
UE - Foundation - Cpp Tools - Hot Reload - Sep 28, 2015If a user creates a C++ class that contains a struct and references that struct within a blueprint, making any changes to the struct within C++ header file will prevent the user from saving the blue ...
Hot reloading after changing custom trigger volume code causes the volume bounds to vanish
UE - Gameplay - Nov 28, 2016When the code for a custom trigger volume is changed and a hot reload is preformed, the green bounds of the volume disappear and the volume can no longer be interacted with. The bounds do not reapp ...
Actor Sequence Component Not Working While Playing in Standalone
UE - Anim - Sequencer - Jun 6, 2017When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...
[CrashReport] Assertion failed: Size == CreateInfo.ResourceArray->GetResourceDataSize in d3d11vertexbuffer.cpp
UE - Graphics Features - Aug 22, 2017This is a trending crash in the 4.17 release. Users have not provided descriptions of their actions when the crash occurred. Source Context 61 // If a resource array was provided for the ...
Actor Variable References settable when in type array in Level blueprint
UE - Gameplay - Blueprint - Nov 13, 2017There is an issue with Actor Variable References that become settable when in type array in the Level blueprint. Once in the array, the actor can be successfully addressed, however using the Save Cu ...