Unreal Engine Issues
Unreal Engine Issues
Costs of Static Lights on Render Thread
UE - Graphics Features - Jun 9, 2016A Japanese developer's making a scene that has over 4000 static point lights. They thought the lights don't affect rendering in runtime. But they realized the RenderThread's costs become bigger. I ...
The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0
UE - Gameplay - Blueprint - Jan 19, 2015The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0. Possibly related to [Link Removed] Tested in 4.6.1 a ...
Garbage Collection Causing Noticeable Hitches
UE - Foundation - Core - Apr 11, 2016Garbage Collection is causing noticeable hitches on whatever interval it is run on. This is noticeable in the UE4 Profiler, as you will see a spike every X amount of seconds, depending on how often ...
Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering
UE - Rendering Architecture - Materials - Apr 11, 2024Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...
Peripheral Vision Angles Greater Than 180 Are Being Ignored
UE - AI - May 26, 2016Values that are larger than 180 for the Pawn Sensing component's Peripheral Vision Angle setting are being ignored. If they are higher than 180, the pawn will act as if it was set to 180. Found in ...
Input Axis Continues to Fire After Standalone Window Loses Focus
UE - Editor - UI Systems - Slate - Feb 17, 2016When using an input axis for a task such as moving a character, losing focus on the standalone window while holding the key does not stop the axis from firing, which means the character will continu ...
Fix world to meters scale
UE - Platform - XR - Apr 11, 2018Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...
Crash occurs when renaming an asset that is used by Class Default Object
UE - CoreTech - UObject - Nov 23, 2021Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...
zero-volume being cutoff and not restarted when non-zero
Licensee reported issue with recent changes to sorting that include volume-weighting. Previously, the sort was just due to priority (which was usually 1.0 and thus the sort was nearly random) and ha ...
TBaseBlendedCurve::ConvertToAdditive adds a curve track to an additive when the curve only exists in the base pose
UE - Anim - Runtime - May 29, 2023When we create curves on additive animations, we are creating a curve based on whether the curve exists in either the base or additive pose. This wouldn't be the expected behaviour for a user when ...