Unreal Engine Issues

Geometry Collection crashing BP Simulation when set to enable Physics via Event Graph

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Issue does not occur when user Simulates in level viewport, nor when geometry collecti ...

Widget Blueprints Fail to Compile When Copying Collapsed Graphs into Functions

Collapsed blueprint nodes that are copied and pasted into a function graph of a Widget will cause a fatal error when the blueprint compiles, as seen in the callstack, and will provide the message: " ...

OnlineServices-Lobbies: Crash when host migration message is received and the next host has already left the session

A crash occurs at FindChecked in the code below.if (PreparedServiceChanges->OwnerAccountId) { InternalPublicData->OwnerAccountId = *PreparedServiceChanges->OwnerAccountId; if (bDispatchNot ...

Editor crash when searching in Add Object menu after creating a Niagara System asset in the Motion Design editor mode

Mass Agent Component implementation triggers Aggressive Default Reference Replacement ensure

Workaround: Construct the DefaultSubobject with ... = CreateDefaultSubobject<UMassAgentComponent>(TEXT("MASS"), true); The issue appears to be that the DefaultSubobject holds a pointer to the CDO ...

Camera modifier blueprint used in another blueprint crashes editor (Assert failed in edit condition code in details panel)

Changing the default values inside of a camera modifier blueprint when referencing it in another blueprint results in a crash. Tested in 4.21, 4.22, 4.23 and 4.24 ...

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...

UE5 Main - Editor crashes when creating a Data Table

Doesn't occur in UE5 Release or UE4.Can't attach logs/crash information I'm encountering an RHI crash within UE5 Main at the moment. This issue seems to be caused by a commit from last year that ...

Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread

Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...

Editor crash on BP recompile with custom FRuntimeFloatCurve variable

When a class contains a FRuntimeFloatCurve variable, compiling a blueprint of the class causes the editor to crash once a key has been added to the curve and selected Regression: Yes, the provided ...