Unreal Engine Issues

Android iterating with Launch On in always recompiles android_native_app_glue.c and UELinkerfixups

Strange crash occurring from project When upgrading from 4.16 to 4.17

There are a string of crashes that are occurring with UMG as the cause of the crash. This occurs when the project is upgraded from 4.16 to 4.17. With the project provided making any change to the B ...

Android app will get crashed if it disable HDR and run with Vulkan API

The backtrace is： F/DEBUG   : backtrace: F/DEBUG   :     #00 pc 00070e22  /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG   :     #01 pc 0004758d  / ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Editor crashes when using Convolution Bloom executing High Resolution screenshot.

I confirmed in UE4.21.2. I attached the project to reproducte the problem. ...

255x255 Quads Landscape on mobile is broken

This issue is reproduced on mobile devices. According to the information from the licensee, it occurs with the following settings.[Link Removed] When executed, the following warning is displayed."L ...

Convert to function to event incorrectly shows up when editing BP Interface Blueprints

The BP interface graph shouldn't be able to convert functions to events because they are inherently all function graphs.  ...

Landscape grass ignores the scale of the parent actors

DrawScale = Landscape->GetRootComponent()->GetRelativeScale3D(); ↓ DrawScale = Landscape->GetActorScale3D(); Changing as above will solve the problem. Output log displays this warning: LogPhysic ...

Persistent Local Booleans do not serialize with CPF_SaveGame

A persistent local boolean will not serialize even though it is marked with CPF_SaveGame, when other types will (such as an integer).  [Image Removed] [Image Removed] ...

FConsoleVariableBase::SetOnChangedCallback behaves incompatibly with previous versions

FConsoleVariable::OnChangedCallback was changed to a multicast delegate in 4.26. Along with this, FConsoleVariableBase::SetOnChangedCallback was implemented to emulate a single delegate for compatib ...