Unreal Engine Issues

Typing "Lerp" when dragging off of a vector pin results in "Slerp" being the first context menu hit

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Instanced EditInlineNew objects are parented to the CDO when used by a child BP of a parent BP that inherits from a native class

EditInlineNew objects added to Instanced array stored in a struct are seemingly ignored and the object is instead parented to the CDO of the owner. The owner must be the BP child of a parent BP tha ...

Editor Validator classes are available through the Runtime BP creation menu

The Blueprint  creation menu should probably only show classes that are not defined in Editor modules.  ...

In-Memory replay checkpoints incorrectly deleted when stream length is less than TimeBufferHintSeconds

The buffer start time is calculated by subtracting the TimeBufferHintSeconds from the stream length: const uint32 BufferStartTimeMS = UE::LWC::FloatToIntCastChecked<uint32>(FoundReplay->StreamInfo.L ...

Support compatible skeletons for child montage

Disabling internal audio to use external audio system shows "Audio Device Manager Initialization Failed!" warning

In addition, we can find  "Main audio device could not be initialized. Please check the value for AudioDeviceModuleName and AudioMixerModuleName in [Platform]Engine.ini." log message in the engine. ...

Deprecated blueprint variable fixups may fail depending on loading order

There is currently no simple way to do a deprecated variable fixup on native variables that are set by a blueprint class. For a simple variable rename, CoreRedirects can be used and will work proper ...

UE does not prompt a User for Login when Perforce has OIDC (URL) setup

UDN Case #: 01130491 From UDN: Our Perforce is using Company internal OIDC for authentication. This is an example when login/logout from command line, that when attempting to login, internet brows ...

When an active Niagara Component is moved and reset+reactivated in the same frame, "Interpolated Spawning" causes "Spawn Burst Instantaneous" to spawn particles in the previous frame's outdated location

Consider a Niagara System with an Emitter in "Global Space" that has "Interpolated Spawning" active and a "Spawn Burst Instantaneous" module with a "Spawn Time" of 0.0 (for example, the built-in Con ...

"Override Function" search box in the Blueprint Editor does not match actual function name (only its display name)

This is a quality-of-life issue for UE users. The issue was also detailed by the UDN user in a video in the linked UDN case. The Blueprint Editor provides an "Override Function" functionality in th ...