Unreal Engine Issues

Packaging that involves a compilation process causes custom icons to not show in the taskbar on Windows in Binary

Packaging that involves a comilation process in the Binary editor causes custom Windows icons to be ignored in packaged games. This could either be seen in a Code project or in a Blueprint Only proj ...

Fails to export a project from Revit 2019 - Cannot export the active 3D view: Object reference not set to an instance of an object

Setting the Comment Text on a comment box creates two Rename Node transactions in the Undo History

Setting the text on a comment box creates two Rename Node transactions in the Undo History This issue occurs when setting the comment text of a comment in any graph (blueprint, material, control ri ...

TSoftObjectPtr does not replicate properly

Right now USoftObjectProperty does not implement NetSerializeItem so it falls back to the implementation in UObjectPropertyBase. This only works correctly if the object happens to be in memory, othe ...

Sequencer Batch Rendering cannot output multiple render passes in CLI

Batch rendering still works if launched from the engine using Sequence Render Movie. However it only outputs the first CustomRenderPass argument when attempting it from a Command Line Interface. Thi ...

Duplicate Physics replication call in PhysScene_PhysX.cpp

There is a duplicated block of physics replication code in PhysScene_PhysX.cpp  https://github.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Runtime/Engine/Private/PhysicsEngine/PhysScene_P ...

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...

Incorrect formatting of #include statements in new code class added to project that is not properly set up for IWYU

Attempting to add a new code class to a project that is not correctly set up for IWYU (such as an older project that may not have been properly modified for IWYU when upgrading) will result in the b ...

4.21 PIE Issues in High DPI

Using a High DPI monitor with a multiple players PIE window results in the 2nd PIE window not saving its location when moved around. Using a monitor with a smaller DPI scale the 2nd window will save ...

Reversed Animations don't play properly using Skeletal Mesh Pose and animations with Keep State in Sequencer

The bug seems to only reproduce when setting animations in sequencer and only if the animations are set to "Keep state". Setting them to "restore default" makes the reversed animation play correctly ...