User defined struct variables with spaces do not import properly in cooked builds

UE - Framework - Blueprint - Aug 11, 2020

DataTables exported to JSON in editor (UDataTable::WriteTableAsJSON, accessible by right clicking a data table and picking export to json) that contain variables with spaces or other outlawed charac ...

Core Class Redirect doesn't work when converting from a C++ class to a BP

UE - Core - Systems - Jul 16, 2020

The Export map will properly be updated but the creation of the import will fail with SourceIndex == INDEX_NONE From MarcA:  I'm guessing the import source index is always none for native classe ...

Renamed material parameters in layer functions don't propagate to MIs

UE - Rendering - Architecture - Materials - Jun 29, 2020

UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers

UE - Core - Systems - Jun 9, 2020

UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...

Investigate state of embedded and dynamic framework support on iOS

UE - Platform - Mac - Jun 5, 2020

Licensee reports it's not possible to use the dynamic framework used by the latest release of the iOS version BugFender - [Link Removed] Licensee bug report: : https://github.com/bugfender/Bugfende ...

Character rotations can diverge between clients and client/server briefly under packet loss and using bOrientRotationToMovement

UE - Runtime - Character - Jun 4, 2020

At some points the rotations will diverge briefly while the client and server attempt to rotate to the orientation direction by going different directions about the rotation axis. ...

Screen space reflections are flickering when using no Anti Aliasing

UE - Rendering - Features - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

SSGI is glitchy with splitscreen multiplayer

UE - Rendering - Features - May 19, 2020

SSR Experimental Denoiser crashes when enabled using Vulkan

UE - Rendering - Features - Apr 27, 2020

Enabled the SSR Experimental Denoiser using Vulkan causes the Engine to crash. This crash does not happen with DX11 or DX12. This happens on Linux and Windows (-vulkan). This was reported and teste ...

Maps fail to respond to any changes made in the CDO if any value has been modified in a loaded instance

UE - Framework - Blueprint Editor - Mar 18, 2020

TMaps do not function as I would expect when blueprinted. Any change made to the instance completely disables inheritance of all changes to the CDO, rather than only overriding the keys that are mod ...