Unreal Engine Issues
Unreal Engine Issues
Crash in Keep Simulation Changes
UE - Gameplay - Blueprint - May 20, 2015Repro from the thread: compile the project of course open eTestMap.umap, and start Simulate wait for the AI characters to go to the Place Volume Actors still simulating, select the character that w ...
Attaching scene component with "SnapToTarget" overrides relative transform on client
UE - Networking - Dec 15, 2020If received in the same update on a client, a replicated attach with attachment rule "SnapToTarget" will overwrite any replicated changes to the relative transform. Additionally, once a scene compon ...
Edge Screen Artifacts when calling Widget Blueprints to the Viewport and toggling Fullscreen Mode
UE - Editor - UI Systems - Apr 6, 2016Widgets called to the Viewport with Fullscreen enabled, will eventually cause artifacts to appear on the edges/borders of the screen. There is currently a forums post with multiple users reporting ...
Crash Occurs After Server Travel When a Multicast Function with Params Was Called in the Level Blueprint
UE - Networking - Jul 5, 2017When a level's blueprint contains a multicast function with a parameter, Server Traveling to that level, triggering the multicast, Server Traveling to another level and then back to the level that h ...
When changing the Material of a CompleCollision during PIE, the change is not applied to the PhysicsMaterial.
UE - Simulation - Physics - Nov 24, 2022If changing the material during PIE, the content of the material will be reflected immediately, but the physics material will not. Once the Mesh (Complex Collision Mesh) is cleared and reset, it wil ...
Media Texture Not Displaying When Launched to Android Device
UE - Rendering Architecture - Materials - Dec 17, 2015UPDATE: 12/23/2015 This appears to be occurring on packaged projects for Win64 as well. ====================================================================== When attempting to launch a level t ...
Nativized Blueprint class may fail to compile for some native noexport struct types exposed through a user-defined struct.
UE - Gameplay - Blueprint - May 24, 2018This occurs because the MakeStruct node will create a literal term for each input if nothing is connected. However, there is no explicit handling of some native 'noexport' struct types (e.g. FVector ...
Matinee not triggering when moved from one level to another
Tools - Oct 19, 2015It appears that if you create a Matinee in a Sublevel, and then subsequently move the matinee between levels. It will not keep associations with the attached actors in the Matinee and not trigger e ...
Crash when resizing window using Quad Stereo Buffer
UE - Virtual Production - nDisplay - Oct 2, 2019We noticed crashes in our application when we attempted to resize a window or switch to full-screen mode. Hence, resizing windows and switching to full screen will result in a crash on Unreal Engine ...
ReplicatedUsing stops getting called after setting a value to nullptr.
UE - Networking - Oct 20, 2016Eventually, the ReplicateUsing function called out for a UPROPERTY is no longer being called. After investigation, it appears that the data is making it from the Server to the Client, but that the d ...