Property won't be force synced when re-enabling replication.

UE - Networking - Mar 21, 2017

It seems like if replication is re-enabled for a given property, its state should be force synced (depending on replication conditions). Otherwise, the state will remain "out of sync" for an indeter ...

Unable to interact or collide with geometry collection after Removal on Sleep or Break timer finishes, yet unbroken piece continue to render

UE - Simulation - Core - Dec 18, 2025

Context: A static mesh is able to have a geometry collection generated from it using the Fracture editing mode. It can be fractured in many different ways, and when acted upon by a chaos field agent ...

Rendering with a singe frame custom frame range in the MRQ with temporal sampling renders 2 frames instead

UE - Anim - Sequencer - MRQ - Jan 27, 2023

Temporal samples cause more than one frame to be rendered with a custom range of 1 frame ...

"Render in main pass" setting appears to be ignored when using ES3 and "Render in Custom Depth" is enabled

UE - Platform - Mobile - Jul 17, 2019

it appears that meshes cannot be removed from the main pass and still write to the custom depth pass when using ES3.1 ...

Misspelling in Editor Preferences: Experimental

Tools - Sep 16, 2015

UE4.9.1 under Editor Preference3s ->Experimental -> Cooking it says "Iterative cooking for builds launched [form] the editor." Correction: [from] ...

Widget components and widgets in screen space are not the same color

UE - Editor - UI Systems - Jun 27, 2016

Widget components appear to be affected by lighting. This causes differences in color between widget components and widgets that have been added to the viewport. ...

Crash clicking on "Recent Levels" or "Package Project" in File menu

UE - Editor - UI Systems - Slate - Jan 22, 2016

I tried to debug. In:for (int32 StackIndex = Stack.Num() - 1; StackIndex >= FirstStackIndexToRemove; --StackIndex) { Stack[StackIndex]->Dismiss(); // <-- here } It crashes because Stack is em ...

Crash when Changing the Preview render levels (to ES3)

Tools - Feb 8, 2018

If the Preview rendering level is changed to Android ES3.1 Preview during PIE, the editor will crash. ...

Distributed HLOD builds always fail for projects not under the Engine Root

UE - World Creation - Worldbuilding Tools - HLOD - Dec 4, 2024

In BuildProject.txt, to make relative path to the project outside the engine root, all paths contains “..” after action command directory. D:/dev/UnrealEngine-5.5.0//HLODTemp/f09bf0f5/HLODBuilder0 ...

Collision for hidden mesh is not displayed in PIE using Showflag.collisionpawn

OLD - Anim - Oct 23, 2017

When playing in viewport, the user is not able to see the collision of a mesh marks as hidden in game if they run the "Showflag.collisionpawn 1" console command. ...