Timelines in ActorBPs no longer function when packaged with Nativization

UE - Gameplay - Blueprint - Apr 9, 2019

Timelines in ActorBPs no longer work in projects packaged with BP nativization. Timelines in LevelBPs still work. Confirmed in 4.23 MAIN @ CL 5806859 ...

Blueprint Functions Aren't Listed in the Profiler Tool

UE - Foundation - Core - Sep 19, 2019

Blueprint functions aren't showing up in the Profiler Tool. Found in 4.23.0 CL#8386587 Reproduced in 4.24.0 Main CL#8781358 ...

PhysX Clang Builds Broken

UE - Simulation - Physics - Nov 5, 2019

Clang physx builds in 4.23 seem to be broken due to a change of GuPersistentContactManifold.h including #pragma warning and no longer ending in a new line. ...

Screen Aligned(Velocity) particles deform at low velocity

UE - Niagara - Nov 22, 2019

Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...

A repainted cloth mesh continues to use previous paint job and does not update

UE - Simulation - Physics - Character - Dec 20, 2019

Cloth mesh reverts back to original painted mesh after editing Tested:     4.23.1 CL#9631420 4.25 CL#10730208 ...

MAC rect light does not use assigned source texture

UE - Platform - Apple - Jan 30, 2020

Rect light does not use its assigned source texture on MAC OS. Tested in: 4.23.1 CL#9631420  4.25 CL#11062379 ...

Scene Capture set to depth only renders the full scene instead of only processing depth.

UE - Virtual Production - Rendering - Oct 26, 2021

A licensee has also recommended a fix for this issue, please see the UDN link for details. Example renderdoc capture of the issue can be found here - [Link Removed] ...

CableComponent particles spawn at origin when gameplay starts depending on component registration order

UE - Framework - Components - Jan 9, 2025

A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...

Memory leak in global distance field when bDisableWorldRendering=true

UE - Graphics Features - Jan 7, 2025

A memory leak occurs in global distance fields when bDisableWorldRendering=true As a workaround until this is fixed, you can disable the logic that checks bUpdatedThisFrame *in *GlobalDistanceField ...

M_Cave_Ground_Mud has an error which keeps floor in Particle Effects Sample from Rendering

Docs - Samples - Sep 29, 2015

Something must have changed with how LERP's or Vector Transforms deal with a float 0 value, which breaks this particular material Error:[Image Removed] Fix:[Image Removed] ...