Unreal Engine Issues

Using Delay with Tick when Paused doesn't work

Using a delay node in an event graph of actor using tick when paused will not work. It pauses the delay node. ...

Cannot compile a nativized Blueprint with a function that takes an interface as an input parameter and uses it inside the function (e.g. dynamic cast to object).

Issue occurs because there is a legacy code path that forces all interface parameters to be declared as 'const' in function declarations, even if CPF_ConstParm is not set in exported C++ code. This ...

C# UHT fails to recognize delegates declared in another class's namespace

Repro Rate: 3/3 This issue occurs in the live build //UE5/Release-5.1 at CL 23058290. This issue has also been regression tested against //UE5/Release-5.0 at CL 20979098 and is confirmed to be a r ...

Instanced EditInlineNew Objects not correctly propagating to children and placed level instances

Instanced EditInlineNew objects are kind of broken right now and hard to make full use of. In addition to the notes above, there are some cases where you can't even assign new values into the base c ...

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe The Blueprint node "Get Actors" for Layers in the Level Blueprint causes an instant crash in a built developm ...

Masked Mesh has significant performance hit on some android devices

ICVFX Editor window blinking and render nodes hitching at the end of every Take Record

After a take record within multi-user has completed recording, and with Toggle Multi User Take Recorder Sync enabled, any other control boxes with the ICVFX window open to UV view will flash with th ...

Character sliding down a surface can prematurely land before reaching a walkable floor

Under some circumstances, a character falling and sliding along a sloped surface may get hung up near the bottom of the surface before actually landing on the floor.  This seems to occur when slidin ...

A crash in editor will result after swapping inherited SCS component names at the parent class level before loading a child class that overrides them.

This is an editor-only crash that's due to stack overflow/infinite recursion in UInheritableComponentHandler::FixComponentTemplateName(). We are recursively trying to rename other inherited componen ...

Potential issue with components being created inside of components, with the outer component added to a BP

If a static mesh component is added to a scene component class and the scene component is added to an actor - the static mesh that is assigned in the blueprint will not show up in the blueprint edit ...