Unreal Engine Issues
Unreal Engine Issues
Dynamic Shadows are not working when deployed to a mobile device
UE - Platform - Mobile - Dec 22, 2014When deploying a Third Person Template project to a Mobile device, there will be no dynamic shadows in the level coming from the character. Shadows are shown in 4.6.1 but not in the changelist provi ...
Instanced Static Mesh instance with negative scale has black lighting
UE - Graphics Features - Jun 11, 2019[Image Removed] The image above was the results after building lighting.The far right spheres all have negative scaling(-1 on Y) and reverse culling checked and are instanced.The middle set of sphe ...
Linux client and listen server hangs on GameThread when decoding voice chat
UE - Networking - Sep 16, 2016The ShooterGame client on Linux stops responding when the Windows host presses the Push to Talk hotkey and speaks into the mic to activate VOIP. [2016.09.16-19.09.24:159][575]LogCore:Error: Hang de ...
"Scene Capture Component 2D" Causes Big Performance Dip In VR
UE - Platform - XR - Dec 31, 2019When a "Scene Capture Component 2D" is in a scene it causes a big performance dip in VR. It was ~45 fps from a ~90 fps with the "Scene Capture Component 2D". This doesn't occur if you are running th ...
Clients fail to load in Standalone mode with 2 players while Use Single Process is disabled
UE - Networking - Jul 1, 2015Clients fail to load in Standalone mode with 2 players while Use Single Process is disabled. Note: double checked this, and I cannot repro in Multiplayer Shootout in 4.9. The same issue still occur ...
Increasing Font Size Makes The SceneRendering Table Impossible To Read
Tools - Jan 27, 2020The scenerendering graph doesn't display correctly when you increase the Small Font for the Engine. The rows don't adjust to the font size. The user increased font size to make print strings in VR ...
[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer
UE - Graphics Features - Aug 22, 2017This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...
Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile.
UE - Graphics Features - Aug 31, 2017Editor crashes when building a level containing landscape if Preview Rendering settings are set to Default High End Mobile. This is a regression. This is working on 4.16 3-3561208 This is not wor ...
Function boolean return nodes often set to true will default to false once saved project is closed/reopened
UE - Gameplay - Sep 1, 2017The new function output booleans within blueprint class actors are not saving intended true/false entries. This issue is a regression. Works in: 4.16.3-3561208 Does not work in: 4.17.1-3586342 and ...
Popping Ribbon UVs
UE - Niagara - Mar 10, 2025Please see the Additional Link for related UDN information. The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif t ...