Unreal Engine Issues

Sharing Material shaders wastes memory and disappears from the memreport

Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...

Broken assignation of materials when merging meshes

See the following UDN for a good visual explanation of the bug: https://udn.unrealengine.com/questions/512811/view.html Seems like this was introduced around CL 5639656. ...

UV merging issue when merging meshes with multiple materials

See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...

Width of the text for the input drop downs in action/axis mappings is not wide enough

text bleeding out when designating certain Motion Controller & Oculus Touch specific keys in the Project Settings. *Some samples of this text bleed/overflow are:*MotionController (L) Thumbstick Dow ...

Cannot get CookedFFTData from an Audio Component in a packaged build

When trying to get CookedFFTData from an audio component in a packaged build it fails despite working in the Editor. This also occurs when you package the project from File->Package Project->Windows ...

Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled

Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...

FSoftObjectPath does not allow for referencing multiple types of actors using AllowedClasses

FSoftObjectPathCustomization and SPropertyEditorAsset do not support multiple actor classes in the AllowedClasses list. The ObjectClass is only set in FSoftObjectPathCustomization if there is only ...

Mac freeze when completing basic interactions in Metal ES31 preview mode

DisplayThumbnail doesn't work with TArray

The DisplayThumbnail metadata UProperty specifier does not work on TArrays with the type of FSoftObjectPath. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7224811), 4.24 (CL - ...

Crash when changing the AnimNotifyState property after moving the AnimNotifyState range added to AnimMotage

NotifyStateClass may be nullptr when AnimNotifyState and AnimNotify swap occur in NotifyTrack. Workaround: SAnimNotifyPanel.cpp void SAnimNotifyPanel::OnPropertyChanged(UObject* ChangedObject ...