"Enable Stencil Test" Mobile crash

UE - Graphics Features - Sep 10, 2019

A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...

UAnimSequenceBase::GetNumberOfFrames off by 1

OLD - Anim - Sep 10, 2019

Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...

Android Studio adds testOnly=true to APKs it builds

UE - Platform - Mobile - Sep 10, 2019

If you open the build.gradle in Android Studio and debug, Android Studio will automatically add testOnly=true which makes it difficult to iterate with the editor since -t is needed when installing a ...

Import From Animation Root option on transform tracks creates a new absolute transform track

UE - Anim - Sequencer - Sep 9, 2019

Importing root motion onto a transform creates a new absolute track, which can blend unexpectedly with existing transforms.  ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

UE - Foundation - Core - Sep 9, 2019

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...

Invalidation box inside of scale box can cause jittering when using split anchors

UE - Editor - UI Systems - Sep 9, 2019

When using a combination of Scale box, Invalidation box, and split anchors it can cause the child widget(S) of the invalidation box to jitter/shake. ...

Linux Native Toolchain depends on libninfo5 which is not bundled

UE - Platform - Linux - Sep 6, 2019

libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...

Spline points deleted after movement

UE - Editor - Workflow Systems - Sep 6, 2019

Spline points are deleted from the Spline component after adding them in Python and then moving them in the scene. Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), 4.23.0 (CL - 8386587), 4.24 ...

Widget component appears blurring when using a Vive with Temporal AA

UE - Platform - XR - Sep 6, 2019

When using the Vive and the Anti-Aliasing Method of "Temporal AA" Widget components appear blurry during movement. ...