Unreal Engine Issues

Crash when loading old data after changing type of Map Value to related type

There is a crash when changing the value type of a MapProperty to something else that provides a ConvertFromType handler. The backward compatible loading code is not correct for map properties and e ...

Cannot package a Client version of a project in UFE when using VS 2017

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...

Generation of sub-level LOD doesn't work when forward rendering is used

When using WorldComposition and building LOD for a sublevel, textures of generated Landscape LOD are not correct when the project has forward rendering enabled. The issue is that the material gener ...

Runtime float curves not applied in inherited blueprints

All additional Body Parts are hidden if main mesh is out of camera frame in Persona

If you have a small main mesh and use the "Additional Body Part" section of Persona to preview other meshes, they become hidden if the main mesh is out of the camera frame. [NameRemoved]: Can we ju ...

Tool tips on the main monitor scale to the DPI of the secondary monitor.

If the user has different DPI Scaling set on each monitor, the main monitors tool tips will change size based on the secondary monitor. ...

Calling Open Level causes editor to freeze or crash

If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...

Runtime memory leak with imported FBXs

When a certain kind of mesh is loaded/unloaded at runtime from transitioning levels, the amount of unfreed memory of the game will steadily increase. There is some natural fluctuation of memory but ...

Preview Asset Becomes Detached from Socket When Renamed

4.17: The preview mesh disappears entirely when the name of the preview asset is changed When a preview asset is applied to a socket, and the socket is renamed, the preview asset becomes detached ...

Repeated GPU Timeout after drawing to render target

(Enduring Games) Included Insights trace to show the memory spike in LLM followed by some pretty large time cost frames in the timeline. (Link to insights trace in comments section) ...