Buffer Overrun with GPUSkinCache

UE - Graphics Features - Nov 7, 2016

In GPUSkinCache, based on the conditional expression:if (CacheCurrentFloatOffset + NumRWFloats > (uint32)GGPUSkinCacheBufferSize) { // Can't fit this INC_DWORD_STAT(STAT_GPUSkinCache_SkippedFo ...

SSGI doesn't function properly using Vulkan

UE - Rendering Architecture - RHI - Jan 20, 2020

Screen Space Global Illumination appears really dark when using the Vulkan RHI on Windows and Linux. This behavior is also present in a Shipping build. This was reported and tested on 4.24.1 (CL-1 ...

Dragging the Translation Widget in Perspective Viewport on Mac in a second monitor does not translate the selected Actor

UE - Platform - Apple - Nov 11, 2014

Dragging the Translation Widget in Perspective Viewport on Mac does not translate the selected Actor, and when dragging is released the cursor is moved to the top left corner of the Viewport. Happen ...

Using the down arrow key in the Toolbar's Blueprints > Open Blueprint Class sub-menu will immediately open the first Blueprint listed

UE - Gameplay - Blueprint - Oct 15, 2015

Using the down arrow key in the Toolbar's Blueprints > Open Blueprint Class sub-menu will immediately open the first Blueprint listed. Reproduced in 4.8.3 binary, 4.10 Preview 1 binary, and Main (C ...

When encrypt assets and packaging ,crash at game startup

UE - Foundation - Core - Sep 11, 2017

When ShooterGame project is packed from RunUAT.bat, if you give encryption option, crash occurs at game startup. Without granting the encryption option crash does not occur. This occur. This problem ...

Applying Reverb does not work in Audio Volume

UE - Audio - Oct 29, 2019

In current and future versions of the engine, the reverb does not work as intended in the Audio Volume Tested in 4.22.3 (CL - 7043647), 4.23.1 (CL - 9631420), 4.24 (CL - 9846303), 4.25 (CL - 98464 ...

Marketplace plugins "missing precompiled manifest" on Mac

UE - Platform - Apple - Oct 12, 2021

Summary This issue was reported by a licensee via UDN. It appears that all of the plugins generate a "missing precompiled manifest" error when packaging a project on Mac in UE4.26.2.Licensee Platfor ...

Packaging/launching 2D Side Scroller template for HTML5 results in Black Screen on browsers

UE - Platform - Mobile - Oct 30, 2018

Packaging or Launching the 2D Side Scroller template without making any edits results in issues that differ by browser. Firefox : A black screen appears (see screenshot) Chrome : 1/4th of the scre ...

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin

UE - Gameplay - Blueprint - Sep 21, 2015

Execution reroute nodes become wildcard reroute nodes when creating a second reroute node off the same execution pin. Note: this does not appear to affect their functionality as execution reroute no ...

FPS Perf Regression on 980

UE - Graphics Features - Mar 17, 2015

At least one user has so far reported a noticeable drop in FPS from 4.6.1 to 4.7.2 in a heavy scene; using a GTX 980. I've reproduced a perf drop in a cooked 4.7 build of elemental demo compared to ...