Unreal Engine Issues

Windowed fullscreen doesn't respect vsync settings

When running in windowed fullscreen mode in a standalone build r.vsync 0 is not respected and the game always runs at a locked 60fps. When the game doesn't have focus, for instance when you press Wi ...

Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux

When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux.  In Engine ...

D3D12RHI keeps increasing uniform buffer memory with "stat RHI"

If any skeletal meshes are not displayed, it stops increasing. Allocation count of uniform buffer is stable. added on February 26 Followings are an additional information from licensee. FD3D12 ...

Setting Fullscreen Mode to "Fullscreen" results in Crash when using 4.23 from source

Changing the screen settings to Fullscreen through code or blueprints results in a crash. This only happens in the source version of 4.23 and does not occur in the binary version of 4.23. I have att ...

Crash when enabling Forward Shading and restarting editor

Crash occurs when enabling Forward Shading and restarting the editor when prompted. The editor continues to crash with every attempt to open after this point as well.  ...

[CrashReport] UE4Editor-D3D11RHI!VerifyD3D11Result(long,char const *,char const *,unsigned int,ID3D11Device *) [D3D11Util.cpp:249]

Generated from CrashReporter Updated ticket for [Link Removed] which was stale. ...

Get D3D12 RHI compiling on strict mode

FPlanarReflectionRenderTarget didn't release RenderTargetTextureRHI

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

Crash enabling Landscape Layers in editor with -Vulkan

The following fatal error occurs:[2019.07.19-19.41.13:425][975]LogWindows: Error: Fatal error: [File:E:/Workspaces/Main/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 836] [2 ...