Unreal Engine Issues
Unreal Engine Issues
Building UE4Game fails during the build phase while packaging on Linux
UE - Platform - Linux - May 19, 2017This is happening only for Blueprint template projects. After I hit the issue on the BP project, I went back and tried a Code template project as well. I was NOT able to reproduce this with a Code t ...
Unable to build a local installed build of the Engine with only VS 2017
UE - Foundation - Core - Oct 17, 2017I was unable to reproduce this locally, but a licensee reported having trouble creating a local installed build of the Engine with only Visual Studio 2017 installed. The licensee reported that the S ...
Details panel for Actor Component is blank in any Blueprint that derives from a code class using that Actor Component after the Actor Component's class name is changed
UE - Gameplay - Blueprint - Dec 20, 2018Changing the name of an Actor Component code class in a project results in any existing Blueprints that derive from code classes that use that Actor Component to not display the Actor Component's pr ...
QAGame projectile collisions are not working
UE - Simulation - Physics - Jul 3, 2017I was not able to repro this with template projects in //UE4/Release-4.17. I was not able to repro the lack of collision to the same static mesh I shot at if I tried to run into it. That is why I me ...
Particle Mesh Emitters Cause Heavy FPS Stutter
UE - Graphics Features - May 4, 2018Per User: After updating my project from 4.18 to 4.19, I started getting huge FPS drops at regular intervals. I managed to trace back the issue to particle systems with mesh emitters and could repr ...
Debug Helpers no longer drawn indefinitely if life time is set to 0 or less
UE - Graphics Features - Sep 10, 2018Setting the lifetime for one of the visual debug helpers (a sphere was used in the repro, but the results should be similar for any of the debug helpers) to a value of 0 or less should make the debu ...
Occasional crash when attempting to in-app purchase on Android device
UE - Online - Apr 21, 2021App is frequently terminated with a NullPointerException when attempt to request in-app purchase. It is assumed that product information cannot be retrieved if there is no Google account logged in t ...
ETriggerEvent::Canceled is not set when the player controller is set to "UI Only" in Enhanced Input
UE - Gameplay - Input - Apr 20, 2022From the UDN:When setting the PlayerController input mode to "UI Only", all game inputs are blocked/frozen to their current state, and release (ETriggerEvent::Canceled) is not called on them. Any in ...
Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module
UE - Niagara - Jun 28, 2018When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...
Landscape Tessellation shadow depth performance cost higher than expected
UE - LD & Modeling - Terrain - Landscape - Aug 23, 2016Using tessellation on Landscapes causes a greater impact in performance than what is expected. In the screenshots provided there is a comparison between tessellation disabled and flat tessellation ...