Unreal Engine Issues
Unreal Engine Issues
Exporting a UE4 Animation into Maya results in wrong skin weight
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...
Spline Mesh regression on older iOS phone
UE - Platform - Mobile - Jun 10, 2019Regression with rendering Spline Mesh Components seen on older (5s) iOS device. I did not reproduce a crash with an iPadPro A1701 or an Android Note 4 Confirmed in 4.23 MAIN at CL 6910902 ...
Editor crashes when actors using child actor component are loaded while Static mesh actor filter is enabled in the outliner
UE - Editor - Dec 5, 2022Reproduced 3/3 times. Unclear whether this is a regression as filter GUI is new in 5.1 for Outliner. ...
Sound Quality is worse after import
UE - Audio - Feb 17, 2020After importing a sound file, it's sonic characteristics are changed and the sound is not the same as the original. This leads to inconsistency. The sound is the same with Compression set 100. Two ...
High Precision Tangent Basis & Use Full Precision UVs on Skeletal Meshes reset after reimport
UE - Editor - Content Pipeline - Datasmith - Importer - Sep 17, 2020Reimporting a skeletal mesh causes "use high precision tangent basis" & "use full precision UVs" to reset and no longer being applied to the mesh. Reported and tested in version 4.25.3(CL 13942748) ...
GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK
UE - Gameplay - Gameplay Ability System - Oct 31, 2023A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...
When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.
UE - Anim - Runtime - Mar 18, 2024The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...
TSR and TAA history accumulation gets reset when taking viewport screenshots or when clicking outside the tree in the outliner
UE - Graphics Features - May 30, 2025TSR (and TAA) history accumulation gets reset when taking viewport screenshots or when clicking on an empty area in the outliner (when a tree item is selected). This can cause an undesirable issue w ...
Blank project do not show steamvr motion controller and is not working.
UE - Platform - XR - Dec 18, 2019VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...
Editor Shortcuts stop working if the editor is launched with a non-Latin-based language
Tools - Nov 4, 2019Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese). The editor must be closed and restarted with English (or possibly any Latin alphabet- ...