Set Actor Enable Collision is not replicated

UE - Networking - Jul 14, 2015

Set Actor Enable Collision is not replicated. Reproduced in 4.7.6, 4.8.2, and Main (//depot/UE4/Promotable-CL-2619427) ...

Sweep on Set Actor Location is ignored for all components that aren't the Blueprint's root

UE - Gameplay - May 28, 2015

Sweep on Set Actor Location is ignored for all components that aren't the Blueprint's root. Reproduced in 4.7.6 and Main (//depot/UE4/Promotable-CL-2568226) ...

GetActorsPerception useless in 4.7

UE - AI - Mar 11, 2015

The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...

SetActorEnableCollision does not affect Destructible meshes

UE - Simulation - Physics - Destruction - Jan 4, 2016

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...

SkyLight is not affecting the volumetric fog

UE - Graphics Features - Lumen - Nov 24, 2022

Looks like this behavior was working as expected until 5.1 Preview 2 ...

Precomputed Visibility no longer calculated on Landscapes

UE - LD & Modeling - Terrain - Landscape - Jun 24, 2015

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...

Traces to Spawned Destructible Mesh Actors returning inconsistent results

UE - Simulation - Physics - Destruction - Jun 18, 2015

When spawning an Actor containing a Destructible Mesh and immediately doing a sphere trace to that actor, upon repeated spawns you will get False results for some time then True results for a while ...

Changes in Scale are not replicated on the Client through RPCs

UE - Networking - Apr 27, 2015

Changes in Scale are not replicated on the Client through RPCs. Location and Rotation are replicated as expected. Reproduced in 4.7.6 binary and Main (//depot/UE4/Promotable-CL-2522625) ...

Provided example Control Rig Python scripts that feature calls to GetControlRigBlueprint need to be updated to GetControlRigAssetInterface.

UE - CAPT - Control Rig - Dec 9, 2025

The unreal.ControlRigContextMenuContext.get_control_rig_blueprint() this function has been deprecated in Unreal Engine 5.7. As a result, the Python scripts included with the Control Rig plugin no ...

Packaging for Linux in a binary build should be disabled when not supported

UE - Platform - Linux - Jan 5, 2015

According to the user, if you install Linux toolchain, the binary build will allow you to package for it, and will not handle the failure gracefully ( https://forums.unrealengine.com/showthread.php? ...