Unreal Engine Issues

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

FRootMotionMovementParams::Accumulate can trigger an exception in debug-editor when using a cached pose

When you are using the editor compiled as debug-editor, combining the use of a pose cache, RootMotion Everything setting, could trigger an exception. ...

[CrashReport]libUnrealEditor-RenderCore!FRDGEventScopeOpArray::Execute(FRDGBreadcrumbState&) [RenderGraphEvent.cpp:149]

Generated from CrashReporter Error Message:Assertion failed: !EnumHasAnyFlags(StencilAccess, AnyCopy) [File:./Runtime/VulkanRHI/Private/VulkanBarriers.cpp] [Line: 439] Only the Stencil being transi ...

Make sure games can ship with VS2015 without needing extra redists

VS2015 redists are not part of our standard redist install (because their update prereqs on Windows 7 and 8 make them virtually impossible to package in), so applocal install is required. ...

ES2 Fallback Fails on Nougat Devices that do not support Vulkan

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

[CrashReport] UE4Editor_OculusRift!FHeadMountedDisplay::GetCurrentHMDPose()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: IsInGameThread() [Link Removed] [Line: 1047] Source Context ...

Morph target vertex mapping can be wrong with multi material caches

[CrashReport] UE4Editor_Engine!UGameViewportClient::Draw() [gameviewportclient.cpp:1170]

Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 (first/seco ...

[CrashReport] UE4Editor_Engine!UEdGraphPin::SerializePin() [edgraphpin.cpp:1497]

Ctrl Z a massive copy pasteI was modifying a blueprint dealing with Draw material to render target.Undoing in Blueprint Editor.Kevin.R - Undid a pin reconnecting... investigating ...

Linker exception opening project project after updating to 4.25.4

User has encountered an exception opening their project when they updated from 4.25.3 to 4.25.4. No repro, log or test project is given at the time. ...