Unreal Engine Issues

Sequencer frame range progression is not continuous

The end of the level visibility section places a DeterminismFence. This causes the issue. The fence clips the frame range and produces a discontinuous frame ranges, e.g. 23201~24000, then 24001~24 ...

Set Texture Object on Niagara Components no longer works for render targets.

When adding support for cube texture ([Link Removed]) there was no check added for render targets, making them invalid for Set Texture Object, when they were previously supported. ...

OSS Steam: SteamSocket listen connections do not work after poll group changes

In 4.27 the logic in SteamSocket.cpp which is part of the SteamSockets plugin was changed to use Poll Groups instead of a removed API function that checked all children of a listen socket. However,  ...

Native default subobjects nulled in child Blueprints on compile

From reporting UDN: "We had a weird issue with new components added in C++ not being instanced properly on non-direct Blueprint children. It seems to happen if loading of the parent BP is deferred ...

Unable to set Mesh Renderer Info source renderer

Unable to set Mesh Renderer Info source renderer ...

Animation Layer Interface layer renaming issues

Renaming a layer in an AnimationLayerInterface can cause issues where that layer doesn't bind properly, depending on which assets are open at the time. It works correctly if you rename a layer in a ...

r.Tonemapper.Sharpen > 0 produces translucent artefacts on SceneCaptureComponentCube

Const Blueprint Implementable Events don't update if const is removed from the native declaration

Constness is not updated in overridden BlueprintImplementableEvents when the native declaration is made non-const.  ...

Assert when tracing animations with Linked Anim Graphs

An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...

Undo/Redo can cause the gizmo to desync from a leaf-selected component

This is a regression from 4.27. This is happening because of the change to typed elements. UEditorEngine::PostUndo, when combined with the typed element changes causes the selection set to reorder ...