Unreal Engine Issues
Unreal Engine Issues
Pressing the focus key twice in a Niagara System's preview window causes the preview to lose orbit around the system when moving
UE - Niagara - Apr 18, 2022Pressing the focus key twice in a Niagara System's preview window causes the preview to lose orbit around the system. Upon pressing the focus key again, the orbit remains lost. Alt + Left-Click also ...
InstancedStruct Local Variables do not work
UE - Foundation - May 7, 2025The licensee has noticed that local variables of type InstancedStruct return nullptr. The setup is a verification of the behavior. Class variables work normally. I've tested this behavior on every v ...
Center of Mass Offset tooltip incorrectly states that you can't view the CoM's location
UE - Simulation - Physics - Jan 3, 2017In the rich tooltip for Center of Mass Offset, it reads "Currently there is no way to view where the Center of Mass is actually located..." In 4.15, there's a new feature that does allow you to see ...
Duplicating a level duplicates any Child Actor components of Blueprint Actors in the original level
UE - Gameplay - Aug 6, 2015Duplicating a level duplicates any Child Actor components of Blueprint Actors in the original level. Reproduced in 4.8.3 binary and Main (//depot/UE4/Promotable-CL-2635815) ...
Variables can no longer be set as a DataTableRowHandle type
UE - Gameplay - Blueprint - Sep 14, 2015Variables can no longer be set as a DataTableRowHandle type. The option is no longer available in the Variable Type dropdown. This is a regression: this was possible in 4.7.6. Reproduced in 4.8.3 b ...
Crash Occurs on Exiting Standalone After Using DemoPlay
UE - Networking - Mar 2, 2017Using Execute Console Command nodes to record and play back a demo is causing a crash in standalone. Using the console commands themselves does not seem to cause the same crash to occur. ...
iOS movie (mp4) has no sound in the playback.
UE - Platform - Mobile - May 16, 2017There is no sound in the movie play in iOS, built with 4.16 GitHub source code version. you can simply reproduce using attached sample project. This is reproduced in iPhone 5s(10.3.1) iPhone 6(iOS ...
Crash When Opening a DataTable Based Off a Struct With a Timecode Variable
UE - Anim - Sequencer - Mar 30, 2020When a datatable is based off a struct with a timecode variable it will crash when opening. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, 4.25 Preview 4 CL#12366721, 4.26 CL#12123513 ...
D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked
UE - Graphics Features - Oct 31, 2016This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...
Crash copying a Static Meshes primitive collision member and pasting it on another element
Tools - Jul 24, 2017Crash copying a Static Meshes primitive collision member and pasting it on another element. The pasted element seems to need at least 2 members for the crash to occur. User description: Editor Cr ...