Unreal Engine Issues
Unreal Engine Issues
Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze
Tools - May 15, 2017If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...
Particles Do Not Obey Lighting Channels
UE - Niagara - Apr 17, 2018Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...
Editor Shortcuts stop working if the editor is launched with a non-Latin-based language
Tools - Nov 4, 2019Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese). The editor must be closed and restarted with English (or possibly any Latin alphabet- ...
Capture Source not changing in Planar Reflections
UE - Graphics Features - Sep 14, 2020Changing the Capture Source in Planar Reflections is not working as expected. Without being able to change the source, Post Process Materials are not rendering in the Reflection. Reported in versio ...
Input isn't recognized for Shift+F, or just the F key when the Shift key is also pressed down
UE - Gameplay - Input - Nov 23, 2021This is a regression Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Did not reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Repr ...
Left Clicking a menu that contains an option with a submenu will cause the submenu to close while hovering its options
UE - Editor - UI Systems - Mar 25, 2022If a menu has an entry that is a submenu, and that submenu has entries in it that are also submenus, then the entire menu will close when left clicking the submenu button instead of hovering it. So ...
Material Emissive Color not working with SkyAtmosphereIlluminance Material Expression
UE - Graphics Features - Jan 9, 2025A licensee has reported that they are unable to use an emissive material utilizing the SkyAtmosphereLightIlluminance material expression together with Nanite and Lumen. The linked UDN has some more ...
Blueprints converted to static mesh with negative scales for a component will invert the faces
Tools - Dec 19, 2016Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...
NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters
UE - Networking - Nov 7, 2014Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...
Level Blueprint's Parent Class can be set to another Level Blueprint's generated class
UE - Gameplay - Blueprint - Sep 16, 2015You can assign the Parent Class of Level Blueprint to be the generated class of another Level Blueprint, which gives you the following "Graph is linked to object(s) in external map" error if you try ...