Crash in Nativized Packaged Game When Overriding Server Event and Calling Parent

UE - Gameplay - Blueprint Runtime - Aug 15, 2017

A crash is occurring in a nativized packaged game when overriding a server event and calling the parent's implementation in a derived class. The crash doesn't seem to produce a detailed callstack. ...

Compiling Child Blueprint changes values in parent Blueprint

UE - Gameplay - Blueprint - Aug 15, 2017

When Compiling a blueprint that is a child actor component to another blueprint, the value will be incorrectly displayed if the parent blueprint is also not compiled. Versions Tested 4.16.3 - CL: 3 ...

[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState

UE - Rendering - Architecture - RHI - Aug 25, 2017

This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...

Timer does not work in Object Class Blueprint

UE - Gameplay - Blueprint - Oct 10, 2017

After creating a timer in an Object Blueprint, timer is not called as intended. "InitObject" Event fires but "Call Function" function does not Reproduced in: 4.17.2 CL 3658906, 4.18 P3 3676890 Un ...

Instanced Subobjects on Children BPs point to Parent BP's instance if both are loaded when creating the object

UE - Gameplay - Blueprint - Jun 27, 2018

The Instanced Subobject values for the Child_BP are same as what the Parent_BP subobject values are changed to before compile and saving both Blueprint Objects. Tested in 4.18.3 (CL-3832480), 4.19. ...

When Packaging a Blueprint Nativized Game, Child Actor BeginPlay is ignored and Parent BeginPlay is triggered instead

UE - Gameplay - Jul 5, 2018

In a Blueprint Nativized Packaged Game a child Blueprint will trigger its parent logic instead of its own when it is called. This was reported in 4.20 Preview 5 (CL-4173640). This issue has been r ...

Oculus Go & Quest: Relaunching app immediately after exiting causes device to freeze

UE - Platform - XR - Jul 26, 2018

4.20 Oculus Go projects cause the device to lock if immediately relaunching after exiting. It does not occur if:You wait ~20 Seconds before relaunchingYou press the power button after closing the a ...

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

UE - Simulation - Physics - Sep 18, 2018

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...

Ensure Occurs When Using Russian Letters In a Text Variables

UE - Gameplay - Oct 4, 2018

The Editor will hang when using Russian characters for a text variable in a Blueprint. It seems to occur when using the character "л" is used. Only seems to occur once in a project. Found in 4.19 C ...

Max Draw Distance Can't Be Set Again Until Set Back to Default

Max draw distance cannot be changed to a higher value than it is first set, until you reset it back to default. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.21 CL# 4516095, ...