Unreal Engine Issues
Unreal Engine Issues
A level will not save if a Blueprint that uses a Blueprint Component with an Event Dispatcher is placed in it
UE - Gameplay - Blueprint - Mar 8, 2015A level will not save if a Blueprint that uses a Blueprint Component with an Event Dispatcher is placed in it. Reproduced in 4.7.2 binary. Could not test in Main due to [Link Removed] ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...
Broken Lines when Calling Draw Lines Function in Standalone Game
Tools - May 9, 2016Lines are not drawn correctly when calling the Draw Lines node in blueprints when playing in Standalone mode. Regression? Yes, I ran the same test in 4.9.2 and 4.10.4, and the issue did not occur i ...
Ambient Occlusion decals ignore Receive Decals setting on meshes
UE - Graphics Features - Feb 13, 2020Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...
Crash in Skeletal Editor due to null ActorFactory reference
OLD - Anim - Feb 1, 2017When a material is dragged/dropped into a skeletal editor's bone hierarchy, the editor will crash due to null ActorFactory Regression: Yes - Crash does not occur in 4.13.2 binary (CL 3172292) ...
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
Blueprint Static Meshes lose Vertex color information in Standalone/Release
UE - LD & Modeling - Modeling Tools - Mesh Editing - Sep 21, 2018In the editor, vertex information can be painted on static meshes that are part of a blueprint. When testing by playing in “Selected Viewport” the painted vertex information is correctly saved and d ...
OnClicked event of UMG button fires once in twice if virtual joystick is receiving input.
UE - Editor - UI Systems - Oct 14, 2015OnClicked event of UMG button fires once in twice if virtual joystick is receiving input. Both Andorid and iOS devices are affected. This issue is found with 4.9 update. under 4.8 are fine. ...
libfbxsdk Crash on importing FBX with Animation
Tools - Nov 4, 2015When importing the attached FBX file, the engine crashes the libfbxsdk module. The same FBX can import successfully into 4.9.2 with only bone errors listed in the Message Log. Crash Reporter Link: ...
Level Sequences- Overriding binding of a spawnable mid-playback doesn't despawn spawnable
UE - Anim - Sequencer - Jun 8, 2023Reported by user in UDN. Overriding the binding of a spawnable actor track while the sequence is playing will result in 2 visual copies of the actor, the original spawnable, which doesn't get destr ...