Unreal Engine Issues
Unreal Engine Issues
Lansdcape grass generation fails on Mac running OSX 10.10.1
UE - Platform - Mobile - May 12, 2015Grass map heights all appear to be 0 when generating grass on a Mac running 10.10. This bug does not occur on Macs running OSX 10.9.5 Putting a breakpoint in LandscapeGrass.cpp line 476 you can se ...
If something is blocking the One File Per Actor file, you can delete the actor inside Unreal, but the file won't be deleted and will reappear after the map is reloaded.
UE - World Creation - Worldbuilding Tools - OFPA - Nov 14, 2022Licensee:Artist reported removed actors reappearing I suspect that file got loaded by something and tested what going to happen if you open a file for read I used python to test lock_file = R'C ...
Crash when creating new projects or converting copies of old ones in Japanese
UE - Editor - UI Systems - Slate - Dec 4, 2014There's a crash in FCharacterList::GetKerning() when using the editor in Japanese that is apparently fixed in one of these three changelists: CL# 2370014, 2370050, and 2370040 But they were not ...
Asset Manager settings that worked in 4.26 now have extra invisible broken types
UE - Foundation - Data Pipeline - Cooker - Sep 23, 2021For 4.27/5.0 (as part of [Link Removed]) we changed the asset manager's settings to be a key-indexed config array which gives more safety with removing entries via the UI. However, this actually bro ...
On the Details Panel of Niagara Function Inputs, the Type selector does not show "Static" types.
UE - Niagara - Apr 7, 2025Consider a Niagara Function or Module Script containing a Static Switch node. If the "Expose as Pin" option is enabled for its selector variable, an input pin with type "static bool" appears. In one ...
Niagara Sim Cache result from 3D Gas is blocky in Windows packaged game
UE - Niagara - Sep 13, 2024Summary: Cached 3DGas Niagara system appears blocky in packaged game. Brought up by a licensee via UDN: https://udn.unrealengine.com/s/question/0D5QP00000a17A40AI/niagara-fluids-simcache-artefacts- ...
Animation curves on Montages are not remapped when using a 'Compatible' skeleton
UE - Anim - Runtime - Jun 27, 2023[Link Removed] From UDN: If you are using the new compatible skeletons feature and you have a Montage with an attribute curve on it, the curve is not correctly mapped to the target skeleton. So ...
UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update
UE - Gameplay - Blueprint - May 21, 2015This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...
Cvars Not Applied To iPad Pro Correctly
UE - Platform - Mobile - Dec 1, 2016When creating a device profile that sets specific cvars for the ipad pro. They don't seem to be loaded or used in a launched game or in a packaged game. While testing in 4.10 if I changed the IOS d ...
Modulated Shadows on IOS cause flickering on Skeletal Meshes
UE - Platform - Mobile - Feb 10, 2016Modulated shadows are not functioning properly on IOS devices for skeletal meshes. Any skeletal meshes in the scene will cast a shadow, but have a flickering modulated shadow on the skeletal mesh as ...