Unreal Engine Issues
Unreal Engine Issues
RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server
UE - Networking - Jul 1, 2015RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...
Assets with Render in Main Pass disabled show shadow artifacts
UE - Graphics Features - Apr 18, 2016This issue was originally reported specifically for Destructibles, but it appears to affect Skeletal Meshes, and static meshes when selected. When "Render in Main Pass" has been disabled skeletal an ...
Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server
UE - Networking - Feb 25, 2016Adding an Actor Component that is set to Replicate to an Actor that is also set to Replicate disconnects the Client from the Server. Note: this does not occur if the Actor Component is already added ...
Mobile HDR is causing issues on certain devices
UE - Platform - Mobile - Dec 8, 2014When deploying a template project to the devices listed below, there is an issue with the mobile HDR being checked on. It is causing the project to show either black or static like. Devices tested ...
Square Artifacts Appearing On Landscape Normals In Packaged Build
UE - Graphics Tools - Terrain - Oct 31, 2025In packaged builds exclusively, a square pattern can appear in the Landscape geometry normals, aligning with the edges of the tiles. Visualizing the GBufferA does not show much, as the variation is ...
BC7 Format in Texture Asset Mip Maps are not correct
UE - Graphics Features - Apr 18, 2016When enabling BC7 compression format for a texture in a project that has SM4 disabled will result in the last two Mip Levels being gray. This happens on any texture size. The number o mip levels may ...
Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')
UE - Graphics Features - Feb 22, 2017This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:[Link Removed][Link Removed][Link Removed][Link Remo ...
Custom iOS icons don't appear on device for Windows BP projects (Binary Build)
UE - Platform - Mobile - May 4, 2018iOS icons have stopped working for Windows BP projects again; this does not occur on Mac. It also does not occur when using a source build from p4 (only on a binary build from the launcher). Note t ...
When Character BP actor is rotated, "Mesh" component translation differs on Client and Server
UE - Gameplay - Apr 21, 2015Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...
Copying a destructible mesh in the viewport loses reference to assigned mesh in the details panel
UE - Simulation - Physics - Destruction - Nov 4, 2014BRANCH: MAIN CHANGELIST: 2346079 PLATFORM: Windows DESCRIPTION: When copying a Destructible mesh in the viewport the Destructible Mesh component will not be shown for the copied mesh. The mesh can ...