Cascade High DPI bug - No (no proper) horizontal scrollbar in emitter tab

Tools - Mar 22, 2018

On a 4K monitor with high DPI support enabled in the Editor some issue will occur with scrolling in particle effect emitters. This causes some of the emitters to get cut off completely and unable to ...

Destroying a beacon from a RPC no longer destroys the beacon actor

UE - Networking - May 16, 2023

This seems to be because of recent changes made for [Link Removed]. Now that UNetDriver::bInTick is being properly tracked for derived classes, AOnlineBeacon::CleanupNetDriver is now deferring destr ...

Android does not show camera when in ARDebugCheck project

UE - Platform - XR - Sep 15, 2021

While working in the //UE5/Main - Medium Priority - Platform Sanity Pass after being packaged and then uploaded onto supported android device, the screen just shows a black background as it is not p ...

Replicated Struct with TMap property cannot compile even with custom NetSerialize

UE - Networking - Dec 9, 2021

While TMaps are not supported for replication, previously one workaround for this was to wrap the TMap property in a container struct. Users could then implement a custom NetSerialize function for t ...

Locale is not auto-detected correctly for French or German Windows 7

UE - Editor - UI Systems - Localization - Jun 30, 2016

Reports that a UE4 project launched on French or German Windows 7 is not automatically correctly setting the culture from the OS' setting. Can probably install French or German support for a copy o ...

Trigger Volume Blocks First-Person Template Projectile

UE - Simulation - Physics - Nov 2, 2015

When playing in editor, if you fire your weapon at a trigger volume, the projectiles will bounce off of the volume, regardless of the fact that the collision is set to Query Only. This collision als ...

FSkeletalMeshRenderData::Cache doesn't store and restore versions

UE - Anim - Rigging - Aug 18, 2022

A licensee was trying to extend the FSkelMeshSection, FSkelMeshRenderSection and USkeletalMesh serialisers with their licensee version number and found that the FSkeletalMeshRenderData::Cache functi ...

Crashes when attempting to use an Instanced Struct inside Control Rig / Rig VM

UE - Anim - Rigging - Control Rig - Mar 17, 2025

Currently, the Control Rig Editor allows the user to use the "Instanced Struct" type, for example for a variable or function input/output. However, this type does not seem to be properly supported ( ...

Shadow flicker with dynamic lighting at low cascade levels when FOV changes

UE - Graphics Features - Sep 1, 2017

When using low shadow settings there is a flicker that occurs when changing a camera FOV, the flicker will end as soon as the FOV has finished adjusting to the new FOV. This can occur when:Using a ...

Clients Joining a session destroy and recreate all actors in the level upon joining

UE - Networking - Apr 28, 2015

When a new client joins a server all of the actors will be replaced with new copies of themselves. This will cause things like the construction script and event begin play nodes to fire off every ti ...