Unreal Engine Issues
Unreal Engine Issues
Gamepad button press and hold does not hold focus
UE - Editor - UI Systems - May 25, 2017When using a gamepad (Tested with an X-box 360 Controller) if you press and hold a UMG button down and then use the D-pad or another form of movement the currently pressed widget component (In the t ...
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 ...
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 ...
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 ...
Overlapping Lightmap UVs Generated When Not In None LOD Group
UE - Graphics Features - Lumen - Dec 17, 2019Overlapping lightmaps are generated when the LOD group is not the default. Setting the LOD group to None and rebuilding lighting doesn't have the same result. Found in 4.24 CL# 10570792 Reproduced ...
Engine Crashes When Converting an Int to Float For a Map Key In Blueprints
UE - Gameplay - Blueprint Editor - Dec 11, 2019The engine crashes when trying to automatically create a type conversion node when they are used a key for a map. Found in 4.24 CL#10570792 Reproduced in 4.25 Main CL# 10646676 ...
Sequencer capture movie rendering is issue.
UE - Anim - Sequencer - Jul 13, 2017This problem always occured in 4.16.0, 4.16.2. It does not occur 4.15.3. ・Reproduction Project Linkhttps://udn.unrealengine.com/storage/attachments/299111-captureerror-416.zip ...
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 - ...