Draw Line in HUD does not respect alpha < 1.0

UE - Gameplay - May 2, 2016

Draw Line in HUD does not respect alpha < 1.0, instead drawing completely opaque in all circumstances. Regression (No) issue (does) occur in 4.10.4 ...

Adjusting Default Light Settings for Atmospheric Fog causes Crash

UE - Graphics Features - May 2, 2016

Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...

[CrashReport] Commandlet crash in UE4Editor_CoreUObject!UPackage::Save

UE - Foundation - Core - May 2, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Pair != nullptr [Link Removed] [Line: 520] Source Context:4 ...

Setting a value Material Parameter Collection to Material will cause crash

UE - Graphics Features - May 2, 2016

Adding a Material Parameter collection to a material, setting its value, then saving the material will cause a crash. This was only able to be reproduced on Mac and did not affect the Windows versio ...

RootMotion Malfunctioning When Played in Lower Framerates

UE - Gameplay - Player Movement - May 2, 2016

Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...

Custom Nav Area Not Affecting Nav Mesh Until Restart

UE - AI - May 2, 2016

When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...

Launching with -VR will pick non-native display resolution for Vive/SteamVR

UE - Platform - XR - May 2, 2016

Running with -game will run game at native fullscreen resolution 1920x1080. (checking with r.setres)Running with -game -vr will run game in VR but resolution is 1280x720. (checking with r.setres) Th ...

Default level Sun Disc precision issue on Android

Docs - Samples - May 2, 2016

Sun disc in the default level has precision or depth fighting issues ...

Some properties of USkinnedMeshComponent are serialized, should probably be transient

OLD - Anim - Apr 30, 2016

MaxDistanceFactor, PredictedLODLevel and OldPredictedLODLevel are marked UPROPERTY, so they are serialized. These are just temporary properties though, should probably be marked transient, so they a ...

Cannot Rename Folders in Content Browser Explorer Panel in OSX

UE - Platform - Apple - Apr 29, 2016

On Macs running Yosemite or El Capitan, you cannot rename a folder in the Content Browser Explorer window, but you can rename them in the Contents Viewer to the right (I'm not sure of the correct te ...