Unreal Engine Issues
Unreal Engine Issues
Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart
UE - Gameplay - Components - Dec 2, 2015Setting ComponentTick as a Hide Category in an Actor Component Blueprint corrupts the BP and causes a crash when opened after an editor restart. [Link Removed] Reproduced in 4.9.2 binary, 4.10.0 b ...
[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)
UE - Platform - Apple - Oct 27, 2017This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...
Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile.
UE - Graphics Features - Aug 31, 2017Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile. This is a regression. This is working on 4.16 3-3561208 This is not wor ...
Editor Crashes when turning on Temporal Upsampling on Mac
UE - Graphics Features - Jan 19, 2018There is an issue occurring where the editor crashes when turning on Temporal Upsampling on Mac. This issue is not a regression as the feature was added in 4.19 Versions tested: 4.19p1 CL - 3837072 ...
Crash when Rendering a Sequence at resolutions higher than 4K with DX12 and Ray Tracing Enabled
UE - Rendering Architecture - RHI - Jul 2, 2019The Editor will crash when rendering a sequence at 7680x7680 with dx12 and ray tracing enabled. Found in 4.22 CL# 7053642, 4.23 CL# 7208101, 4.24 CL# 7210422 ...
[CrashReport] Mac crash - USpeedTreeImportFactory::FactoryCreateBinary()
Tools - Sep 8, 2017This is an infrequent Mac crash that has occurred for a few users since at least 4.16. Users have not provided any descriptions of their actions when the crash occurred. The callstack shares simil ...
Attempting to Open a Widget Blueprint With Animation and Timeline Panels Hidden Causes the Editor to Crash
UE - Editor - UI Systems - Nov 11, 2015When you attempt to open a widget blueprint when you have hidden the animation and timeline panels, the editor will crash. There is a workaround: Window->Reset Layout will allow you to open the blu ...
Crash when rotating and resizing a Background Blur widget
UE - Editor - UI Systems - Feb 16, 2017If the user rotates a background blur widget and then tries to resize it, this will cause the editor to crash Note: Widget cannot be opened if the widget is saved in this state. ...
ListView crashes when GlobalInvalidation is enabled.
UE - Editor - UI Systems - Slate - Jan 11, 2022Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...
Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.
UE - Gameplay - Blueprint Compiler - Sep 27, 2021Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...