Unreal Engine Issues

Enable Collision checkbox does not affect static meshes from static mesh editor when set to false

Setting the Enable Collision checkbox to false in the static mesh editor does not alter collision on static mesh objects. ...

Animation Rate Scale does not appear to have an affect when blending an animation with two different Rate Scales

Rate Scale does not appear to have an effect when using a blend space that blends an animation with two separate Rate scales. ...

4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling

Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...

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

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.

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 ...

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

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 ...

[Audio Modulation]- Modulation of Pitch Destination on a Source Bus with a Parameter Patch affects Volume instead

Stepping in the inner area updates the Control Bus on the Patch, but the Modulation is applied to the Volume destination instead of Pitch. Reproduction rate: 5/5 This also occurs in //UE5/Release- ...

Maya Generated FBX Files Fail to Import Properly into UE 4.10

The same animation FBX file generated from Maya will import correctly into UE4.9 but incorrectly into UE4.10. Moreover, if you generate an FBX from the animation that was successfully imported from ...

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

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 ...

Color changing through material parameter collection in a emissive material will not affect lightmap baking, unless recompile the material.