Unreal Engine Issues

[CrashReport] UE4Editor_Slate!FMenuStack::DismissInternal() [menustack.cpp:582]

Error Message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 1 from an array of size 0 Source Context: 567 } 568 } 569 ...

Children of editor-only actors do not maintain correct transforms when placed inside level instances for PIE and cooked builds

We have found an issue where children of editor-only actors get wrong transforms in PIE and cooked builds when placed inside level instances. This affects both engine version 5.5 and 5.6. The issue ...

[Metal-Epic:Tools] Compiling Metal 2.0 shaders on XCode 9.3 beta with desktop forward selected fails on iOS

Shaders fail to compile with a series of cube map errors (subset below): LogShaderCompilers: Warning: 17 Shader compiler errors compiling global shaders for platform SF_METAL_MRT:   LogShaderComp ...

Crash handling: Prevent reports of assertions during shutdown after an assertion

CriticalErrors in FWindowsErrorOutputDevice::Serialize (and other platforms) run some code after the error is detected rather than immediately terminating the process. Some of this other code is spe ...

[CrashReport] UE4Editor_MaterialEditor!SMaterialLayersFunctionsInstanceTree::UpdateThumbnailMaterial() [smateriallayersfunctionstree.cpp:1128]

No user comments in crash group 1114 for (TSharedPtr<FStackSortedData> Group : AssetChild->Children) 1115 { 1116 if (Group->ParameterInfo.Association == InAssociation) ...

Editor crash when saving a level instance in a folder with the same name as the level

Inconsistent ListView entry sizes can prevent the ListView from being scrolled to the bottom

Since the contents of a ListView are virtualized, the ListView estimates the size of the scroll box's contents based on the on-screen elements. This can lead to some situations where DistanceFromBot ...

Unexpected corrections when sliding against other characters

We are seeing unexpected movement corrections sometimes when pushing one player character up against another character that isn't moving, or against other static primitives that have round features ...

Camera behavior during "Orbit Pan Mode" (Alt+MMB+Drag) is wrong while piloting an actor

In the Level Editor, dragging the mouse while the "Alt" key is pressed performs one of the "Orbit" movements: OrbitRotation, OrbitPan, OrbitZoom. The same can be done while Piloting an actor. Howev ...

Double to float conversions of time in renderer causes precision issues

In game sessions when the value for world time becomes large enough we start running into floating point precision issues. These issues can easily be seen in materials which do periodic animation b ...