Unreal Engine Issues
Unreal Engine Issues
PrimaryAssetLabel Assets are getting stripped from ShooterGame on the Launcher
UE - Foundation - Build - Rocket (Installed Engine) - Aug 7, 2017PrimaryAssetLabel assets are missing when creating the project through the UE4Launcher, they exist in Source builds. The ShooterGame PrimaryAssetLabel assets were created in 4.16 so this is not a r ...
CharacterMovementComponent: simulated proxy can go into falling due to linear velocity quantization when using custom gravity
UE - Gameplay - Components - Mar 8, 2024The character movement component in void UCharacterMovementComponent::SimulateMovement(float DeltaSeconds) evaluates whether to find the floor when simulating the movement of the simulated proxy ...
Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine
Tools - Dec 31, 2019When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...
Get mouse X/ Get mouse Y returns zero after the user clicks the screen and mouse is shown
Tools - Mar 28, 2016If the user has set show mouse set to true and clicks the screen the Get mouse x and Get mouse Y will no longer return anything other than 0.0 Additional notes: This does not appear to be a regress ...
Sounds not obeying Audio Volume Ambient Zone Settings
UE - Audio - Aug 31, 2016Exterior Ambient Zone Settings are ignored by sounds played that are placed within the Audio Volume. As the documentation suggests, Ambient Zones define how Sound Actors located inside the associat ...
Asset values change when the Editor is out of focus when using Maya or Web Browser
Tools - Jul 18, 2018When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...
Adding a widget to a grid panel inside the grid panel tick can cause an out-of-bounds error
UE - Editor - UI Systems - Slate - Jan 25, 2021This is caused by adding an item to a grid panel inside the grid panel iteration loop. The same operation to canvas panel goes well without any errors. The difference is that the array iteration in ...
Crashes when copying an array of actors that implement an interface into an array of interface references
UE - Gameplay - Sep 17, 2019When assigning an array of actors that implement a specific interface to an array of the specific interface the engine crashes. This doesn't happen if the actor array is put through a for each loop ...
Cached component instance data transform did not match! Warnings in Content Examples
Docs - Samples - Oct 27, 2016Lighting is unbuilt in all levels in Content Examples. Multiple warnings appear in the log "Discarding cached lighting data which will cause lighting to be unbuilt" LogStaticMesh:Warning: Cached co ...
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 ...