OnAudioPlaybackPercent doesn't work after restarting the project

UE - Audio - Feb 7, 2019

Using the OnAudioPlayback event in Blueprints does not work when playing the audio component its connected to while PIE, after restarting the project. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL ...

"Activation" and "Trigger" keywords are not allowed as a subcategory

Tools - Jul 1, 2019

Using Activation and Trigger as subcategories names does not work in the Details Panel. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7208101), 4.24 (CL - 7216880) ...

DisplayThumbnail doesn't work with TArray

Tools - Jul 8, 2019

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 - ...

Datasmith Import flipped for Autocad 2020 files

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 29, 2019

Some of the items has scaling issues and there are quite a few that have moved from their origin point as well, but the biggest problem is that the whole model is mirrored. even the text. This was ...

Sequence Recorder under "Choose Properties to Be Recorded" shows only "Actor Hidden In Game"

UE - Anim - Sequencer - Oct 1, 2019

Sequence Recorder under "Choose Properties to Be Recorded" shows only "Actor Hidden In Game" and no other properties. This was reported and tested in 4.22.3 (CL-7053642). This was reproduced in 4. ...

Tessellation Materials are not working on Landscapes

UE - LD & Modeling - Terrain - Landscape - Dec 17, 2019

Tessellation is not working on landscapes, but it does works fine on static meshes. This is a regression from 4.23.1 (CL-9631420) where the tessellation was visible with this setup. This was tested ...

Origin Shifting Landscape crashes Render Thread

UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

HUD functionality is lost load after upgrading project to 4.24.1

Tools - Jan 22, 2020

Upgrading a project to version 4.24.1 results in a loss of functionality that worked from 4.20 to 4.23.1 without having made any changes. Test Project: [Link Removed] Tested: 4.25 CL: 11062379 ...

Spline mesh actor + Vulkan RHI, rendering artifacts

UE - Rendering - Architecture - RHI - Feb 7, 2020

Rendering artifacts when using spline meshes with Vulkan enabled. Recent Nvidia drivers may be required for repro. (Users version: 441.66 , My Local Version: 441.12) Confirmed in MAIN 4.25 @ CL 11 ...

Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track

UE - Anim - Sequencer - Mar 13, 2020

When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...