setting Simulate Physics and Set Actor Location And Rotation in code causes crash on project load

UE - Gameplay - Feb 19, 2015

If an actor's Simulate Physics and ActorLocation/Rotation properties are set in code the editor will crash immediately upon launch / debug in VS. ...

Certain console commands/variables do not show their description text in the console window

UE - Foundation - Core - Jan 25, 2016

Console variables such as "t.maxFPS", "CauseHitches", "t.unsteadFPS", and help "help" (these were all tested, there may be more untested with the same behavior) have description text in code howeve ...

WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed

UE - Platform - XR - May 29, 2018

WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed ...

incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform

UE - Graphics Features - Mar 15, 2021

in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...

SingleLayerWater is rendering brighter shallow water with fog

UE - Graphics Features - Jul 12, 2021

Shallow water areas in scenes with exponential height fog will be brighter than they should be. Possibly due to the fog being applied twice in the SingleLayerWater shading model. ...

Performance decreases with the number of morph targets

UE - Anim - Rigging - Jun 15, 2023

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set

UE - Graphics Features - Jul 10, 2015

The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...

sg.ResolutionQuality command doesn't work

UE - Graphics Features - Jan 9, 2015

Using the sg.ResolutionQuality command in code or the console has no effect in 4.6.1 or 4.7. ...

Rifles are offset in Display 1.15 when opening Content Examples Animation map

UE - Gameplay - Oct 28, 2016

REGRESSION: YesWORKING: 3172292 (4.13.2)BROKEN: 3177600 (4.14) In the Content Examples Animation level, at Display 1.15, the rifles are offset from the character's hands for two of the skeletal mes ...

Crash When Selecting Actor in the World Outliner That is Using ColorGradingMode

Tools - Jun 2, 2017

When selecting an actor in the World Outliner that is using the ColorGradingMode specifier (ColorGradingMode = "saturation"), the editor crashes. This did not occur in 4.15.3. This is a regression ...