On NM_Client, GameplayDebugger defaults to green smiley for NPCs implying running BehaviorTree while AI info is unknown

UE - AI - Debugging - Mar 12, 2024

Context GameplayDebugger (Press ` in-game) displays a green smiley (AICON-Green) for AIControlled pawns that are running a BehaviorTree and a red angry face (AICON-Red) otherwise. If the AIControll ...

[AI] Navmesh edge missing for polygon in tile

UE - AI - Navigation - Mar 11, 2024

User is reporting a bug where there are cases that a polygon in a navmesh tile will not generate an edge. This seems to be where only part of the polygon side would be part of the edge, but the rest ...

Water reflections and GI flicker in 5.4 and 5.3 (fine in 5.2)

UE - Rendering - Graphics Features - Mar 7, 2024

Since 5.3 customers have been reporting flicker with water surfaces, demonstrating that in 5.2 this flicker is not present. [Link Removed] ...

Cooker: Research and recommend a solution for third-party systems to aggregate data from cooked UObjects

UE - Foundation - Data Pipeline - Cooker - Mar 6, 2024

As with shader compilation, some third-party plugins need to accumulate information about all UObjects cooked in a cook session, and write their data to a database at the end of the cook; the databa ...

MoverExamples: characters have 1-frame unnecessary extra input latency

UE - Gameplay - Network Prediction - Mar 6, 2024

Due to the way input is handled on the MoverExamplesCharacter, including AnimatedMannyPawn, we have a delay in the time between when an input event occurs and when it is ingested by the movement sim ...

Skeletal Mesh reduction clamps UVs at 1024

UE - Anim - Rigging - Mar 4, 2024

UAssetManager::ChangeBundleStateForPrimaryAssets: Performance: Avoid canceling loads in progress when new bundles added and the in progress bundles are kept

UE - Foundation - Data Pipeline - Cooker - Mar 4, 2024

UAssetManager::ChangeBundleStateForPrimaryAssets allows adding new BundleNames to the list of BundleNames loaded for a PrimaryAssetId. Each BundleName specifies a BundleEntry with a list of assets. ...

Sequencer fails to play anim sequences on linked anim instances when an Additve/Layered FKControlRig track is active

UE - Anim - Anim in Engine - Mar 2, 2024

Animations can't be played with Sequencer via slot nodes in linked anim graphs when an additive/layered FK Control Rig is active.  This is because adding an FK Control Rig changes the anim instance ...

Physical Material Mask does not return the correct value

UE - Rendering - Architecture - Materials - Feb 26, 2024