Unreal Engine Issues
Unreal Engine Issues
r.Shadow.RadiusThreshold and r.Shadow.FadeResolution not affected by Scalability Settings
UE - Graphics Features - Apr 20, 2018r.Shadow.FadeResolution and r.Shadow.RadiusThreshold values in DefaultScalability.ini are not being applied ...
Assertion failed: InputOboeStream != nullptr when changing levels with Android voice enabled
UE - Audio - Jan 7, 2020Assertion failed: InputOboeStream != nullptr when changing levels with Android voice enabled User was able to workaround the issue by replacing Audio::FAudioCaptureAndroidStream::CloseStream() wi ...
Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP
UE - Gameplay - Blueprint Editor - Aug 1, 2020See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...
[MetaSounds][Stereo Mixer] - When changing the gain on the Right channel dynamically, the output has clicks and pops
UE - Audio - MetaSounds - Mar 31, 2022When changing the right channel gain of the stereo mixer at runtime, it generates clicks and pops in the output. ...
Custom node not working with material attributes
UE - Rendering Architecture - Materials - Jul 15, 2024Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...
High Virtual Texture Sample/Lookup Cost when using a Virtual Texture in a Material Layer Blend
UE - Rendering Architecture - Materials - Mar 14, 2025Some Material Attribute blends in Material Layer Blends can cause Virtual Texture samples to be duplicated in HLSL. This can be avoided by sampling the Virtual Texture in the Parent Material, and pa ...
Using a Macro to access a variable from another Actor causes a crash in Standalone
UE - Gameplay - Blueprint - Jun 8, 2015Using a Macro to access a variable from another Actor causes a crash in Standalone. This does not seem to affect any other preview in editor, nor packaged games. Reproduced in 4.7.6, 4.8 Preview 4, ...
The Add node does not update in the Construction Script
UE - Gameplay - Blueprint - Feb 28, 2015The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server
UE - Networking - Jul 1, 2015RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...
Particle record in the Matinee leads to crash when playing after record.
Tools - Oct 19, 2017Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...