Unreal Engine Issues
Unreal Engine Issues
Editor Crashes When Attempting to Change Units in Project Settings
Tools - Aug 17, 2016The editor crashes when attempting to make a change to the units located in Edit->Project Settings->Editor->Appearance. The crash occurs as soon as one of the dropdowns is clicked. This is a regr ...
Fixup Redirectors doesn't work in the editor
Tools - Apr 28, 2015Fixup Redirectors doesn't work in the editor when showing redirectors using the filter and then choosing Fixup. The maps that reference the redirectors aren't being checked out and fixed. I'm just g ...
[CrashReport] Linux_PlatformCreateDummyGLWindow()
UE - Platform - Linux - Nov 16, 2017This is a trending Linux crash in the 4.18 release Callstack from Log[2017.11.10-14.42.41:021][ 0]LogLinux: Error: appError called: Assertion failed: [File:/media/***/OS/UnrealEngine-release/Engi ...
When r.SSR.Stencil is enabled, there is wrong logic observed.
UE - Rendering - Graphics Features - Dec 19, 2025When r.SSR.Stencil is enabled, the areas with high roughnesss are not discarded and Unlit materials are incorrectly handled. See the linked EPS case (Additional Info URL) for a full explanation of ...
Crash when adding Actor Array Element to a Sequencer Event Struct
UE - Anim - Sequencer - May 25, 2017Crash when adding Actor Array Element to a Sequencer Event Struct Error message: Assertion failed: 0 [Link Removed] [Line: 56] Source Context: 42 N = FName(*StringName); 43 ...
Enabling Skeletal Mesh 'Per Poly Collision' crashes the Editor
UE - Simulation - Physics - Aug 20, 2018When a Skeletal Mesh isn't assigned, enabling Per Poly Collision on the Skeletal Mesh Component causes the Editor to crash. This issue was reported and tested in 4.20.1 (CL-4233996). This issue was ...
r.Tonemapper.Sharpen > 0 produces translucent artefacts on SceneCaptureComponentCube
UE - Graphics Features - Oct 20, 2021Shadow doesn't update for a moving nanite mesh (fixed in 5.4)
UE - Graphics Features - Shadows - Mar 25, 2024When a nanite mesh moves, the shadow does not. ...
Fix sampling frame rate not properly setup for dynamic montages
UE - Anim - Gameplay - Oct 9, 2024Project cannot build in VS 2017 15.8+ if it uses std::make_shared with an over-aligned type
UE - Foundation - Core - Aug 30, 2018Visual Studio 2017 15.8 includes a fix to properly handle std::make_shared used with over-aligned types. However, this is a breaking fix and requires the definition of one of two macros to either ac ...