Unreal Engine Issues

Editor Crashes When Reparenting a Trigger Sphere to a Trigger Capsule

Reparenting a blueprint derived from Trigger Sphere to Trigger Capsule will cause the editor to crash. This is a regression. This did not occur in 4.11.2. Source Context: 163 164 ...

Vulkan crash on Android when suspending and resuming app

[CrashReport] UE4Editor_Slate!SMultiBoxWidget::GetCustomizationVisibility() [multibox.cpp:931]

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: Assertion failed: Result == FPrope ...

SimpleStreamableAssetManager: Memory Bloat/Leak in AssetIndexToBounds4Index

Overview: A report has been received regarding a memory leak that eventually leads to OOM crashes when s.StreamableAssets.UseSimpleStreamableAssetManager=1 is enabled. In projects that utilize this ...

[CrashReport] Mac Metal crash - FSceneRenderer::RenderDistortion()

This is a somewhat common Mac crash occurring since 4.15 and into 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. This specific callstack was previously ...

[CrashReport] Mac/Metal crash - Assertion failed: (PixelShader->Bindings.InOutMask

This is a low frequency but trending crash coming out of 4.18. User DescriptionsAttempting to open a copied/converted from 4.16.3 project on 4.18 preview 4. Problem arose after preview 3. Was able ...

Crash in FNiagaraGPUInstanceCountManager::AddDrawIndirect when Android Vulkan Mobile preview platform is enabled

In the Android Vulkan Mobile preview mode, when multiple GPU niagara systems are visible and the user moves the camera around the level it can cause a crash, potentially caused by a race condition o ...

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter(). The licensee has provided a txt file that contains the ...

Renamed Enums displayed in Standalone game will show the original default name instead

Renamed Enums displayed in Standalone game will show the original default name instead. ...

OpenGL: Nvidia: Crash when using foliage tool

As reported by user, using foliage tool in a first person project eventually crashes it. "Currently, any attempt to render objects created with the foliage tool crashes the UE4 editor on my machine ...