Making a navigation system 'strictly static' affects all subsequently created navigation system instances

UE - AI - Mar 26, 2020

The problem is a result of two things: UNavigationSystemV1::bStaticRuntimeNavigation being staticUNavigationSystemModuleConfig::UpdateWithNavSysCDO copying the data from nav sys CDO, including bStat ...

When 1 AnimSequence asset is used for multiple SeuqnecePlayer, the override by AnimGraphOverrides affects other than the specified SequencePlayer.

UE - Anim - Runtime - Anim Blueprints - Jun 30, 2022

If you use the same AnimSequence in multiple SequencePlayers in Base AnimBP and replace asset of one of SequencePlayers by AssetOverride in Child AnimBP, the result will be reflected in the other Se ...

Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations

UE - Anim - Sequencer - Apr 30, 2025

Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...

ios launch fail after upgrading to 4.7.1, provision not found, signing key not found

UE - Platform - Mobile - Mar 2, 2015

Customers that have never or have created an incorrect bundle identifier will fail to package for iphone. People who have wildcard provisions will work. ...

Mip Gen Blur Settings affecting Mip Level 0 when setting the Maximum Texture Size

UE - Graphics Features - Jul 7, 2017

When Blurring a Texture using Mip Gen Settings and setting the LOD Bias or Maximum Texture Size, the blur gets applied to the base Mip Level 0. This behavior is contrary to how it behaves when blur ...

Importing low key frame animations with custom attribute curves have their keys offset affecting pose asset generation

OLD - Anim - Sep 9, 2016

When creating a pose asset based on an animation and curves with a low number of keyframes if you switch between the pose assets poses, the curves will not be correctly timed with the animation beca ...

Refraction does not display properly on Android devices

UE - Platform - Mobile - Apr 2, 2019

A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...

RadialForceComponent ignores collision of Object Type set in Collision Presets if component is initialized in C++

UE - Gameplay - Jul 28, 2016

When a RadialForceComponent is attached to a object in C++, it doesn't take on the "Object Types to Affect" in the component settings of the Blueprint. If the RadialForceComponent is created as a co ...

Nanite meshes are lit differently in Actor Colorization view modes than non-Nanite meshes

UE - Graphics Features - Nanite - Aug 28, 2024

When the Lit > Actor Coloration > Affects Navmesh or other Actor Coloration mode is used, Nanite meshes apply lighting differently than non-Nanite meshes which can make it difficult to use the Actor ...