[Device Swap] - Ensure when connecting a controller or USB audio device while audio is playing in PIE

UE - Audio - Mar 11, 2022

Ensure when swapping to a newly connected USB audio device.  {no format} Ensure condition failed: Cache.Contains(DeviceIdName) [\build++UE5\Sync\Engine\Source\Runtime\Windows\AudioMixerXAudio2\P ...

[Ensure] LoadStreamingLevel and UnloadStreamingLevel are called at the same tick

UE - World Creation - Worldbuilding Tools - May 29, 2023

There is no particular error. Developer can ignore it. ...

Character blueprint tick function does not behave properly

UE - Gameplay - Jul 2, 2015

Character tick event will continue to trigger even if Start with Tick Enable is set to false. Workaround: Setting "Set Actor Tick Enable" to false on Begin Play will prevent the tick event from t ...

ContentExamples PhysicalAnimation hit reaction example does not react

Docs - Samples - Aug 11, 2015

The Hit Reaction Physics Animation Blending example in the ContentExamples PhysicalAnimation map does not react to being clicked on. REGRESSION: Yes Worked: 4.8.3. Binary Broken: 2647674 ...

Editor crash when compiling blueprint that contains an implemented interface after removing return node

UE - Gameplay - Blueprint - Apr 8, 2015

If a return node is removed from an interface that has been implemented in a blueprint, compiling the blueprint will cause a crash. Crash Reporter: [Link Removed] Frequency: 2/2 ...

Deleting folders in the Content Browser will not delete them permanently from Project Folder

UE - Editor - Content Pipeline - Content Browser - Mar 13, 2015

If you delete a folder from the Content browser that is in the Starter content, The folder will reappear if you reopen the project. The only way to delete them would be from Windows Explorer. I als ...

Screen Space Ambient Occlusion Artifacts

Docs - Samples - Apr 3, 2015

Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...

PIE - RendertoTarget is the same for all players

UE - Gameplay - Jan 5, 2016

Render Target is displayed across the client and server. Render target should only be displayed on the player and screen that spawns the actor. Note: Turning visibility off for the render target w ...

DoesSocketExist always returns false for Sprite Sockets (flipbooks and sprite components)

UE - Gameplay - Paper2D - Jan 15, 2015

DoesSocketExist always returns false for Sprites in a Flipbook, whether there is a socket on any/all of the Sprites or not. Note: GetSocketLocation seems to work fine, indicating that it is reading ...

Using Execute Console Command in a custom Game Instance causes Standalone Game to crash

UE - Gameplay - Blueprint - Jan 15, 2015

Using Execute Console Command in a custom Game Instance causes Standalone Game to crash. Also occurs in 4.6.1: CL-2386410 and 4.7 Preview: CL-2403078 Crash Report: [Link Removed] Call Stack:UE4Ed ...