Unreal Engine Issues
Unreal Engine Issues
When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.
UE - Graphics Features - Oct 18, 2017When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...
Set members in Slate Color for the foreground color of a combo box does not appear to change the color of the selected text
UE - Editor - UI Systems - Mar 14, 2018When setting the foreground color through blueprints at run time for a combo box it does not appear to affect the the selected item text. ...
Scene Capture 2D: additive mode not working in 4.19
UE - Graphics Features - Apr 20, 2018Additive Composite Mode is not behaving as expected in 4.19 User reports that Composite mode is also affected. ...
LODbias settings appear to have no effect when specified by GPU on android
UE - Platform - Mobile - Oct 3, 2019When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...
MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel
UE - World Creation - Worldbuilding Tools - Feb 21, 2025The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...
Motion Matching FPS instability causes jittering when using the root offset node
UE - Anim - Gameplay - Feb 23, 2026Offset root node is affected by frame rate and produces jitter in it's motion across various settings and styles. ...
Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set
UE - Gameplay - Blueprint - Jun 14, 2017When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...
ES2 Fallback Fails on Nougat Devices that do not support Vulkan
UE - Platform - Mobile - Aug 28, 2016Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...
Spatialization is inaccurate on iOS/tvOS
UE - Audio - May 9, 2017Also occurs in 4.16 Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...
Crash clicking on the Reload button in the Modules window
UE - Foundation - Core - Jun 5, 2017Editor is crashing when clicking on the reload button within the modules window of the editor. This also occurs in 4.16 so not a regression. ...