Unreal Engine Issues

Fixup Redirectors doesn't work in the editor

Fixup Redirectors doesn't work in the editor when showing redirectors using the filter and then choosing Fixup. The maps that reference the redirectors aren't being checked out and fixed. I'm just g ...

Ensure failure !bStaticCall nativizing blueprint calling blueprint function library function

With exclusive nativization enabled and a blueprint calling a blueprint function library function a project fails to package due to an ensure failure !bStaticCall in BlueprintCompilerCppBackend.cpp. ...

Code review for potential fix for crash where Velocity contains NaN

User crashed in the function "void UCharacterMovementComponent::PerformMovement(float DeltaSeconds)" due to a Velocity containing NaN. AnswerHub post details function calls that lead to where the N ...

Investigate/fix navmesh tiles disappearing randomly when level stream in.

See UDN description: https://udn.unrealengine.com/questions/554749/bug-navmesh-streaming-and-tile-corruption.html ...

Collections in content browser can't display native classes on 4.26

The filter in UContentBrowserClassDataSource::CompileFilter does not work because the enumerated class objects are FName without path, while the filter item is name with path. [Image Removed] ...

Shadow doesn't update for a moving nanite mesh (fixed in 5.4)

When a nanite mesh moves, the shadow does not. ...

Fix sampling frame rate not properly setup for dynamic montages

Project cannot build in VS 2017 15.8+ if it uses std::make_shared with an over-aligned type

Visual Studio 2017 15.8 includes a fix to properly handle std::make_shared used with over-aligned types. However, this is a breaking fix and requires the definition of one of two macros to either ac ...

MovieRender Pipeline Skips Output Frames during GC

This is being seen in the wild... can release a temporary fix until 4.26 when we can change the headers and fix it for real. ...

Fix forwarding of dedicated flag and number of players when running a functional test

As described in the UDN question, some settings aren't forwarded correctly to the game instance in PIE during a functional test. Proposed patch attached. ...