Skelmesh Bake Materials doesn't remove old materials from slots

UE - World Creation - Worldbuilding Tools - Merge Actor - Mar 24, 2021

When an LOD get materials reduced to one with Bake Materials, it doesn't delete the extra slots on the LOD. So if starting with 10 slots on the skelmesh, then baking, slot 1 gets the newly baked mat ...

GameplayEffects: Inherited UAssetTags and UTargetTags do not update their referenced tags correctly with inheritance

UE - Gameplay - Jan 25, 2024

When inherited, it is reasonable to expect the tags added by the parent to be reflected in the children. If the parent is editted after the children, however, tags that are added or deleted are not ...

[CrashReport] libobjc.A.dylib!<Unknown> SEGV_NOOP at 0x0

UE - Platform - Apple - Aug 3, 2015

User crashes at "Loading 83%" *See also attached Mac Crash Log. [Link Removed]Launched UE, it crashed upon launch.Ok, a file i wanted to delete, and it just crashed the whole program. Thx.Started e ...

InitializeDefaults missing from some particle modules

UE - Graphics Features - Jul 16, 2015

As stated in the linked UDN ticket, these particle modules are missing their InitializeDefaults code: ParticleModuleMeshRotation ParticleModuleMeshRotationRate ParticleModuleMeshRotationRateMultipl ...

Backspace Key not activating when working with 3D Widgets

UE - Editor - UI Systems - Mar 27, 2017

Backspace Key not activating when working with 3D Widgets and will not be called when working with the Widget Interaction component. User says they are having a similar problem with the enter key in ...

Leaderboards and Achievements are inaccessible in Match3 using a new account

UE - Online - Feb 6, 2018

Ads between matches WERE working, as was the purchase option. This was found in Shipping, but I was able to reproduce and gather logs from Development. This was found on a Pixel 2 on Android 8.1 ...

Cascade High DPI bug - No (no proper) horizontal scrollbar in emitter tab

Tools - Mar 22, 2018

On a 4K monitor with high DPI support enabled in the Editor some issue will occur with scrolling in particle effect emitters. This causes some of the emitters to get cut off completely and unable to ...

Camera Actor variable (array) no longer editable in Blueprints

UE - Gameplay - Jun 7, 2018

This is a regression from 4.19. In 4.19 you were able to change the actor assigned to the array element in a Camera Actor variable. In 4.20 and 4.21 the field is grayed out and displays None with a ...

Naming a variable 'LifeSpan' causes the default value to be reset after closing the editor

UE - Gameplay - Blueprint - Nov 3, 2020

Customer reported this issue in Salesforce. I repro'd this issue in 4.25.3, 4.25.4, and 4.26. Therefore marking it as not a regression. Renaming the variable something like "LifeTimer" does not res ...

Control rig functions can't be accessed from other control rigs after save on compile

UE - Anim - Rigging - Control Rig - Sep 25, 2023

It looks like there is an issue with control rig functions and the save on compile option.  When a control rig is saved via this setting, public functions within the control rig can't be referenced ...