Crash in FVulkanLinuxPlatform

UE - Platform - Linux - Apr 17, 2019

Using the command in the repro steps on Linux will cause the Editor to crash and CrashReporter to pop up with a callstack. This behaves differently when tried on Windows with -vulkan. The project ...

Crash upon opening packaged game when Event Driven Loader is disabled

UE - Foundation - Core - Apr 26, 2019

Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...

"Weld Simulated Bodies" Collision flips when welding Skeletal mesh to Static Mesh

UE - Simulation - Physics - Sep 20, 2019

Collision flipped when welding a skeletal mesh to a static mesh. Welding Skeletal mesh as parent actor does not cause collision to flip. Showflag.Collision 1 shows correct collision. (However px ...

Constraining aspect ratio of cine camera with post process material attached causes rendering issue

UE - Graphics Features - Nov 25, 2019

Applying a PP material that uses absolute world position to a cine camera using "constrain aspect ratio" causes rendering issue. Note: Changing the film back settings on the camera also results in ...

Landscape Grass scale not applied when min and max are same value

UE - World Creation - Worldbuilding Tools - Foliage - Feb 13, 2020

If min and max scale are the same in a LandscapeGrassType asset, scale will not be applied. Confirmed in 4.25 MAIN @ CL 11318998 ...

Blueprint debugger: variable getter node displays wrong object's value

UE - Gameplay - Blueprint Runtime - Jul 28, 2023

After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...

Match3 crashes on device after locking and unlocking the screen on iOS

Tools - Aug 23, 2016

Aug 23 15:25:15 A6240 UnrealMatch3[987] <Warning>: Assertion failed: CommandEncoder.IsRenderPassDescriptorValid() [Link Removed] [Line: 700] Match3 does not resume after locking and unlocking the s ...

Blueprint Editor Layout is not properly saving

UE - Gameplay - Blueprint Editor - Oct 19, 2016

There are some weird things happening with layout recently, like UE-37541 which doesn't allow the user to save their layout, then reset it to the saved layout. Interesting thing to note is that wh ...

FArchive broke operator<< for bool in Editor builds

UE - Foundation - Core - Feb 16, 2017

Looks like CL-3215392 added changes in FArchive where the operator<< method for bool is a member operator in Editor (as opposed to a global operator in non-editor and old builds). This causes shado ...

[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()

UE - Graphics Features - Mar 6, 2017

This Jira 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 ( ...