Unreal Engine Issues
Unreal Engine Issues
360 videos with precipitation will get darker at times
TM - Rendering - Sep 19, 2025Reported in SF [Link Removed] When exporting 360 videos with precipitation, there may be a noticeable darkening effect in the exported render that fades in and out. This effect is not present in th ...
Incorrect CRC hash for shared fragments with FInstancedStruct member
UE - AI - Mass - Mar 30, 2026User has encountered an issue with shared fragments that contain a member variable of type FInstancedStruct. It appears that UE::StructUtils::GetStructInstanceCrc32() does not correctly compute the ...
Color Picker always select sRGB color space even when toggled off
Tools - Jan 9, 2015The Color Picker is showing a difference in color space when toggling the sRGB setting, but the final resultant color is always the sRGB true color. ...
Disabling collision of an actor after an overlap event will cause the event to fire twice
UE - Gameplay - Sep 3, 2015Disabling collision of an actor after an overlap event will cause the event to fire twice This is working properly in 4.10-2674146 User Description: Calling on "Set Actor EnableCollision" or "Set ...
Editor crash when using Straighten Connection shortcut key
UE - Gameplay - Blueprint - Feb 8, 2017Using Straighten Connections shortcut can cause the editor to crash after removing node pins. This appears to be due to GetGraphPinForMenu returning the last pin selected (in this case, the removed ...
[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()
UE - Foundation - Core - UObject - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...
Folder disappears upon cancelling renaming by pressing ESC key twice
UE - Editor - Content Pipeline - Content Browser - Sep 27, 2017Working: 4.16 Broken: 4.17.1, 4.17.2, 4.18 When cancelling the renaming of any folder or sub-folder in the Content Browser by pressing ESC key twice, folder or sub-folder will not be visible in Co ...
Renaming assets keeps the old file
Tools - Feb 2, 2018There is an issue where renaming assets keep the old files, which can easily occur after renaming files after a lunched project. This issue keeps old versions of files, these files keep in the conte ...
Fix world to meters scale
UE - Platform - XR - Apr 11, 2018Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...
Editable text box caret blinks slowly when manually setting focus
UE - Editor - UI Systems - Oct 18, 2018For some reason, it appears that manually setting the focus (whether it be user, keyboard, or both) on an editable text box in UMG causes the caret to blink slowly. However if you were to manually s ...