VALIDATE_UNIFORM_BUFFER_LIFETIME fails compilation

UE - Graphics Features - Jul 24, 2025

Also verified on Release-5.5.4 CL 40574608 ...

Distance Field Artifact with Point/Spot Lights with Mesh scaled to 0 on XYZ

UE - Graphics Features - Apr 30, 2015

When using a Spot/Point Light with Distance Fields enabled and a mesh that is scaled to 0 on the XYZ will result in artifacts. ...

Auto Align Floor to Mesh causes floor to align well below the mesh

OLD - Anim - Aug 28, 2015

NOTE: This is likely a known issue, but I could not find an existing bug for tracking Auto Align Floor to Mesh causes floor to align well below the mesh. Causes the mesh to float I've tried with ...

"Set Anim Instance Class" broken after using "Play Animation" node

OLD - Anim - Jul 17, 2015

After using a "Play Animation", the user cannot set the character back to using an AnimBP via the "Set Anim Instance Class" node. Workaround: Use two "Set Anim Instance Class" nodes. One to set i ...

Scaling multiple child components within a blueprint will cause their transform to malfunction

UE - Gameplay - Blueprint - Feb 17, 2016

If the user scales multiple child components and tries to move them it causes exaggerated movement. ...

Inputs and Outputs missing in Details pane on Interface function that has been transferred to local function

UE - Gameplay - Blueprint - Aug 12, 2015

After removing an interface from a blueprint, any interface functions in the blueprint can be transferred to a local function. However, after this occurs, the inputs and outputs are removed from the ...

The Delay node cannot be added to the StandardMacros bp in the Engine folder

UE - Gameplay - Blueprint - Jan 19, 2015

The Delay node cannot be added to the StandardMacros bp in the Engine folder. However, the Delay node can be added to a new Macro Library bp and any Macro in an actor class blueprint. ...

Screen orientation is ignored on Android devices.

UE - Platform - Mobile - Mar 5, 2015

If you change the screen orientation for an Android device in the project settings, the orientation will not change once deployed to the device. Tested on a Galaxy Note 3. ...

WorldSettings::Pauser doesn't always replicate when the game is paused.

UE - Networking - Aug 9, 2016

Variable "Pauser" in World Settings is often not replicated to the clients when the game is paused. ...

Collision is not updated on Slave Meshes when using "Set Master Pose Component"

OLD - Anim - Feb 17, 2016

Collision pose is not updated on Slave Meshes when using "Set Master Pose Component". This occurs with both Physics assets and Per-Poly collision This severely effects anybody making characters ou ...