Unreal Engine Issues
Unreal Engine Issues
Origin Shifting Landscape crashes Render Thread
UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...
HUD functionality is lost load after upgrading project to 4.24.1
Tools - Jan 22, 2020Upgrading a project to version 4.24.1 results in a loss of functionality that worked from 4.20 to 4.23.1 without having made any changes. Test Project: [Link Removed] Tested: 4.25 CL: 11062379 ...
Spline mesh actor + Vulkan RHI, rendering artifacts
UE - Rendering Architecture - RHI - Feb 7, 2020Rendering artifacts when using spline meshes with Vulkan enabled. Recent Nvidia drivers may be required for repro. (Users version: 441.66 , My Local Version: 441.12) Confirmed in MAIN 4.25 @ CL 11 ...
Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track
UE - Anim - Sequencer - Mar 13, 2020When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...
Crash when setting a module input to read from a new user parameter
UE - Niagara - Jun 2, 2020Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...
If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred
UE - Platform - Mobile - Jun 17, 2020When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred. I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...
Running a VR template packaged game with -nohmd results in an AudioDevice crash
UE - Platform - XR - Mar 18, 2021Running a VR template project with -nohmd causes the packaged game to crash on launch. Running with just -vr doesn't result in a crash. Tested in //UE4/Release-4.25 @ CL 14469661 and did not encoun ...
MediaFramework - Webcam Video input shows as black in Media Player
UE - Media Framework - Aug 17, 2021Alejandro Arango 3 days ago In fact, it seems the 4.27 changes are conditioned by WMFMEDIA_PLAYER_VERSION . So the only change needed is in WmfMedia.Build.cs . They only need to change it to say: P ...
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...
GameplayAbilitiesSystem: GameplayCues OnRemoved never firing
UE - Gameplay - Gameplay Ability System - Nov 15, 2023This behaviour was introduced in the following changelists in 5.3: CLs 25371706 and 25407985 https://github.com/EpicGames/UnrealEngine/commit/6e985ceeb98bc0d166756ccd3e3c0b0350d02265https://github. ...