Unreal Engine Issues
Unreal Engine Issues
iOS apps crash on devices with iOS version 11.2.2 when Metal 2.0 is enabled
UE - Platform - Mobile - Jan 22, 2018Launching an iOS App that is set to Metal 2.0 on a device with iOS version 11.2.2 causes the app to crash and return to the home screen. This was tested on an iPad Pro as I do not have access to any ...
Able to scale Math Hall graphs down to 0 which distorts them in ContentExamples
Docs - Samples - Sep 19, 2016All of the graphs in the Math_Hall can be scaled down to 0 which causes the graphs to appear distorted. These should probably be clamped as 1 since scaling them down to 0 does not show any useful in ...
Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation
UE - Gameplay - Dec 12, 2016If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...
IOS 11 Freezes When Generating Particles Using SphereMask
UE - Platform - Mobile - Nov 16, 2018When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...
Poor performance when Player Collision view mode active in City Sample
UE - Simulation - Debug Tools - Apr 2, 2024The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...
Possible crash reimporting destructible assets
UE - Simulation - Physics - Destruction - Jan 20, 2017This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...
Unable to import animation data from fbx with bone names starting with a number
UE - Anim - Rigging - Control Rig - Jul 31, 2023When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...
The default Direct Link texture path is no longer set in Twinotion settings
TM - Interoperability - Jun 27, 2024Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...
Blueprints with inherited Macros cannot save
UE - Gameplay - Blueprint - Feb 27, 2015Blueprints with inherited Macros cannot save. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...