Screen space reflections are flickering when using no Anti Aliasing

Rendering - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script

Gameplay - Components - Oct 6, 2015

Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script. Note: this would work in 4.8.3. Reproduced in 4. ...

Rich Text is offset when set as the child of a Retainer Box in a Widget Blueprint

Tools - UMG - Feb 4, 2021

It seems that when playing a Rich Text Block into a Retainer Box, it causes the text inside the yellow row style to have additional spaces added to it. The user who reported this issue also had issu ...

[CrashReport] UE4Editor-D3D11RHI!static void TerminateOnDeviceRemoved(HRESULT, struct ID3D11Device *) [D3D11Util.cpp:160]

Rendering - RHI - May 6, 2020

This ticket tracks instances of D3DHung crashes now that Aftermath has been enabled in 4.25.0. [Link Removed] was marked fixed and closed with the enabling of Aftermath. Error Messages: Fatal err ...

Large Landscapes using World Composition have weird LODs when streamed out and back in

Tools - World Composition - Mar 13, 2020

When World Composition Sublevels are streamed out and back in the LODs appear distorted. This reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4.23.1 (CL-9631420), 4.25 Preview ...

Hidden Shadows Aren't Rendered When Raytracing Is Enabled

Rendering - Ray Tracing - Mar 13, 2020

Hidden shadows aren't rendered when ray tracing is enabled. Found in 4.25 Preview 2 CL#12055273 Reproduced in 4.23.1 CL#9631420, 4.24.3 CL#11590370, 4.26 Main CL#12123513 ...

Packaging fails for an exclusively-nativized BP-only project that includes a non-nativized child Blueprint class that's referenced by an (unrelated) nativized Blueprint class.

Gameplay - Blueprint - Jun 21, 2018

For unknown reason, the header of BP_Parent is included twice. The second header is located after the .generated.h, causing the compile error. The following is the include section of BP_Child__pf1 ...

Data validation FAILED due to IWBE_Blutility containing invalid data

Docs - Samples - Jan 11, 2021

4.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...