UHT will fail to build a project that contains a BlueprintPure UFUNCTION that returns an ENetMode value.

UE - Foundation - Core - Aug 5, 2015

Marking a function as BlueprintPure will result in a UHT build failure in Visual Studio if the function returns an ENetMode value. The ENetMode enum is not marked as a UENUM(), causing the build to ...

Removing components from Landscape with simplified collision results in assertion

UE - LD & Modeling - Terrain - Landscape - May 18, 2017

Performing operations on a Landscape with simplified collision can result in an assertion ...

Hang occurs on Mac when Japanese input is selected and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded

UE - Platform - Apple - Aug 10, 2017

The Editor will hang on Mac if Japanese input is selected on the Mac and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded. REGRESSION: No. T ...

MediaFramework movies not playing properly in Shipping

Media Framework - Nov 7, 2017

`check(Samples.Pop());` this kind of `Pop()` inside of a `check()` is in a few places in MediaSampleQueue.h and MediaSamples.cpp but `check()` expands to nothing in Shipping/Test, so, required work ...

VRS doesn't respect the AdditionalShadingRatesSupported flag

UE - Graphics Features - May 27, 2022

D3D12 needs to check the flag D3D12_FEATURE_DATA_D3D12_OPTIONS6::AdditionalShadingRatesSupported and filter out VRS modes that aren't supported. This flag should be put into something like "GRHISupp ...

Hot Reload does not update blueprint pins

UE - Gameplay - Blueprint - Jan 15, 2015

When changing the variable type or return type of a function in code and hot reload in the editor, blueprints that use the variable/function do not have their pins updated until the editor is closed ...

Launch on fails

UE - Foundation - Core - Aug 12, 2016

Project fails to launch onto windows and mac CRC client only comes up for mac ...

XB1: assert failure writing memreport from packaged build

UE - Platform - Console - Mar 6, 2017

In case of running a packaged build the file can't be written on the G drive. HandleMemReportDeferredCommand writes to a relative path by default, but such files should be written to the developer ...