PoseSearch Query is flipped 180 degrees 1 frame after a capsule/actor rotation happens.

UE - Anim - Gameplay - Sep 3, 2025

Using MotionMatching with a PoseSearchSchema with a Trajectory grouping. The query gets rotated to match the capsule/mesh component instead of the offset root/actual location of those bones/trajecto ...

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

UE - Gameplay - Blueprint - Aug 31, 2016

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

Play rate value under 1.0 seems ignored when with Render movie to video feature

UE - Anim - Sequencer - Nov 7, 2019

Is this a regression? Yes, this is not reproduced in 4.22 version When rendered movie have Play rate track, it should show same result for PIE and rendered movie. But play rate below 1.0 seems not ...

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks

UE - Platform - Mobile - Feb 14, 2017

DLC update from 1.0 deletes staging folder which unable to make incremental(patch) chunks. ...

Crash with geometry collection in es3.1 preview

UE - Simulation - Physics - Destruction - Dec 22, 2020

Failed check() when placing large numbers in to a From Seconds node and print them to the screen

UE - Gameplay - Blueprint - Apr 10, 2017

Crash when placing a number >= 922337181697 in to a From Seconds node and print them to the screen ...

Lightmap Coordinate Index is not automatically set to 1 on import any longer with lightmap UV

UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016

When importing a static mesh with a second UV channel setup for the lightmap the second UV is no longer being automatically assigned as the lightmap coordinate index. In 4.12 the second UV detected ...

Landscape holes retain collision if Mip level changed to 1

UE - LD & Modeling - Terrain - Landscape - May 19, 2015

Landscape holes have collision if the mip level of the landscape is changed from 0 to 1. ...

Retopologized landscapes ignore collision when mip level set to 1

UE - LD & Modeling - Terrain - Landscape - May 14, 2015

Object collision ignores landscape components that have been retopologized if the landscapes collision mip level is set to 1 instead of 0. ...

UnrealVS cannot be installed with VS2019 16.1

UE - Foundation - Cpp Tools - UnrealVS - Jun 3, 2019

If a user has Visual Studio 16.1 installed, UnrealVS will report that it is not compatible and refuse to install. ...