[Spatialization] - When a sound starts playing while the listener in in the Binaural Radius, when they exit the sound stops playing

UE - Audio - Spatialization - Nov 18, 2021

If a sound starts playing while the listener is inside the binarual radius, the sound stops abruptly when they leave the radius. Does not occur if the listener starts in the binaural radius. Does no ...

Third Person C++ Template Package Fails to Launch with Assert Error Window

UE - Runtime - Animation - Apr 7, 2022

Occurs 3/3 times. Third Person C++ Windows package crashed on launch with Assert Error Window (see attached screen capture) Regression occurs: Repro'ed in //UE4/Release-4.27 EGL Live @ CL18429761 ...

World-space widget components drawing at desired size won't draw any smaller than 100x100

UE - AI Workflows - UI Systems - UMG - Apr 19, 2022

Widget components set to "draw at desired size" won't draw any smaller than 100x100. This looks to be related to the hard-coded desired size of the SPopupLayer (callstack attached). This problem did ...

[Mac, Linux] - Sample Rate changes from imported sample rate after playing preview for imported audio asset.

UE - Audio - Mar 16, 2022

Sample Rate changes from imported sample rate after playing preview for imported audio asset. Tested this on Windows and it did NOT occur there. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ ...

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point

UE - Editor - May 3, 2022

Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point Repro Rate: 4/4 Tested this in //UE4/Release-4 ...

Retargeting Pose From Mesh Does Not Retarget With Source Mesh Component and Skeletal Mesh Variable Types

UE - ACT Character - Retargeting - May 11, 2022

Occurs 5/5 times *Regression *does not occur: No Retargeting Pose From Mesh node in //UE4/Release-4.27.2. Retarget Pose From Mesh node does not retarget when used with Source Mesh Component and Sk ...

[Quartz] - The multiplier does not always respected on the Quartz Quantization Boundary

UE - Audio - May 13, 2022

Increasing the multiplier past a certain point causes sounds on a Quantization Boundary to struggle to play at the correct time. The repro above uses 1/32, but this also repros with other values. ...

Preinfintiy and Postinfinity settings within the Curve Editor of an Animation can not be changed from Constant

UE - Runtime - Animation - Sep 7, 2022

This is a regression tested in //UE4/Release-4.27 CL 18319896 Preinfintiy and Postinfinity settings within the Curve Editor of an Animation can not be changed from Constant. Either by right clickin ...

[Audio][Niagara] - Audio Spectrum only reacts to Channel 0, despite setting to another channel

UE - Audio - Submixes - Jun 6, 2023

While doing some extra testing of the Submix Analyser fixes, I noticed there is a setting to set the channel of the submix to give the analyser. It always works for channel 0, but changing it to any ...

Non-edit layers landscape don't work adequately with Nanite landscape while painting

UE - Graphics Tools - Terrain - Landscape - Oct 24, 2023

Result : while displaying the Nanite version of the landscape, the paint layers behave erratically (see video : [Link Removed])  If rebuilding the Nanite data, the bug gets fixed until the user sta ...