Functions containing Unicode characters break nativization on Clang-hosted target platforms.

UE - Gameplay - Blueprint - Sep 15, 2020

The UHT boilerplate code that's generated from a converted Blueprint class header file generated from a Blueprint class containing one or more function names with non-ASCII characters will fail to c ...

Double quotes in SetupAndroid.bat may cause issues in paths

UE - Platform - Mobile - Sep 15, 2020

There are a few ways to end up with double-quoted paths inside of double quotes, including the case where user path does not already contain any paths. ...

Crash running construction script after compiling BP function library

UE - Gameplay - Blueprint - Sep 15, 2020

Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...

Many native-only interfaces incorrectly appear as implementable by blueprints

UE - Gameplay - Blueprint - Sep 14, 2020

Right now, any UINTERFACE that is not marked as CannotImplementInterfaceInBlueprint is shown as implementable in blueprint. If these functions have BlueprintCallable functions or related things then ...

Crash renaming nested struct member while the pin is split on a node

UE - Gameplay - Blueprint - Sep 14, 2020

Crash occurs when the user renames a nested struct member variable while there's a struct pin split in a blueprint. ...

Item of Console Variables on Device Profiles is displayed incorrectly when Editor setting is other than English

UE - Editor - Workflow Systems - Sep 14, 2020

If the Editor is in English, it will be displayed correctly. ( r.*)[Image Removed] This issue depends on the display language of the Editor and seems to occur in languages other than English. I al ...

Fbx importer test only if there is one key to determine if the import contain animation

UE - Editor - Content Pipeline - Import and Export - Sep 11, 2020

We should test two key instead since one key is a constant value. We have to make sure it did not break any current pipeline. But my guess is no. The question we should verify is, is users were put ...

Packaged Paper2D game using Flipbooks crashes when opening Level

UE - Gameplay - Components - Sep 11, 2020

Paper2D game using Blueprint Actor with Box Collision and Flipbook Component crashes frequently when loading levels in packaged Development Build. Reported and tested in versions 4.25.3(CL 139427 ...

ProxyLOD plugin generates uninitialized vertices at end of a vertex buffer

UE - World Creation - Worldbuilding Tools - HLOD - Sep 11, 2020

ProxyLOD::FQuadricMeshSimplifier::OutputMesh may remove duped verts. The input vertex buffer was resized by numVerts from FQuadricMeshSimplifier before calling OutputMesh. So these behaviors genera ...