Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

UE - Engine Scaling - Streaming - HLOD - May 3, 2022

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

LevelInstance: Editor Texture Streaming (UDN)

UE - Engine Scaling - Streaming - Level Instances - Aug 14, 2023

Further investigate and fix Editor Level Instance texture streaming data update which currently isn't being updated when moving a Level Instance in the editor. ...

Crash occurs when opening FP_Walk_Fwd in the First Person Template

UE - Runtime - Animation - Sep 12, 2023

This is a regression. Tested in //UE5/Release-5.2 CL26001984 Opening the FP_Walk_Fwd animation in the first person template results in an assertion. ...

Cannot copy from the message log when building with Clang

UE - Editor - Jan 8, 2024

This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...

Signing Key not found when certificate is in System Keychains

UE - Platform - Mobile - Oct 22, 2014

User reported being unable to push to devices from mac if they have their Certificates in the System Keychain rather than Local ...

ScrollBox: Add Inertial Scrolling (Touch)

UE - Editor - UI Systems - Oct 16, 2015

Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...

Adding elements to an array variable within a struct minimizes defaults category for the array.

UE - Gameplay - Blueprint - Jun 23, 2016

Adding elements to an array variable within a struct minimizes defaults category for the array. Regression (no) issue (does) occur in 4.11.2 ...

When creating a widget in the Character blueprint it is duplicated twice for each player in a multiplayer project

UE - Editor - UI Systems - Dec 24, 2014

When adding the widget inside the character blueprint it causes the widget to be created twice for each player (2 player makes 4 copies of the widget). ...

EQS spheres are not fading from red to green based on their values

UE - AI - Sep 30, 2016

EQS spheres are not fading correctly where red = 0 and green = 1 This is a regression as it is working correctly in 4.13.2 at CL 3145013 ...

Pressing enter does not appear to activate OnClicked events in UMG When a button is focused

UE - Editor - UI Systems - Nov 17, 2016

Pressing enter does not appear to activate OnClicked events in UMG When a button is focused Note: This appears to be a regression. This was working in 4.13.2 ...