Creating a new C++ Synth Component results in a failed compile linker error.

UE - Audio - Dec 19, 2019

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...

Copying and pasting a material function renders all of the duplicates inputs as not having default values

UE - Rendering Architecture - Materials - May 22, 2019

The top material function was placed in a graph directly. The second was generating by copying the first node. Note that the input pins changed color which indicates that each input on the new modul ...

SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

UE - Niagara - Mar 19, 2020

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

Text Size In Material Blueprint Comments Don't Change

UE - Rendering Architecture - Materials - Aug 24, 2020

When changing the size of the text in a comment box, after you adjust the size and click save, then close the material editor. When you reopen the editor, the text size is back to the default but th ...

Creating a 64K texture triggers an out of memory crash

RAD - Oodle - Sep 21, 2020

When building very large textures (such as virtual textures) we allocate very large intermediate buffers for compression at full 4 channel float precision. For a 64K texture this can be 64GB in siz ...

Regression: External owned Spawnable object disappears when the sequencer movie is finished.

UE - Anim - Sequencer - Nov 26, 2020

Regression: external owned spawned actors stays in 4.25 & 4.25 plus but it is removed from 4.26P5, 4.26P6, 4.26P7 ...

Rendering a custom render pass will render the viewport.

UE - Anim - Sequencer - Mar 1, 2021

If close the "Sequencer" window while leaving the "Render Movie Settings" window open, and then click the "Capture Movie" button, you will capture the movie from the perspective of the CameraCuts tr ...

Expose input action from enhanced input component delegates

UE - Gameplay - Input - Jun 9, 2021

From a delegate there is no easy way to access the action that triggered the delegate. Whilst this is mostly inherent (an OnJumped handler implies the Jump action) it would be better to provide dire ...

Editing parent emitters with mesh renderer in a niagara system causes crash

UE - Niagara - Nov 9, 2021

After editing the parent emitters of a Niagara system with mesh renderer particles the engine will crash the next time the editor and system are opened.  This was tested with both engine content cub ...

Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled

UE - Graphics Features - Jan 27, 2022

This issue occurs with the Additive and Alpha Holdout settings. ...