Renaming a function for a text block and switching tabs will cause editor to crash

Tools - Oct 28, 2014

If you place a text block into UMG and then click on bind for the text in that text block (in the details panel) it will make a function. If you rename said function and then click the designer tab ...

Alpha Textures reimported via overwriting disappear from level

UE - Graphics Features - Nov 10, 2014

When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask

UE - LD & Modeling - Terrain - Landscape - Aug 10, 2016

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...

HLODs do not correctly work with Dynamic Material Instances

UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016

A licensee has reported that when using Create Material Instance Dynamic and adjusting a material at run-time is not working with HLODs. It doesn't seem supported (yet) and unchecking the "merge m ...

ExponentialHeightFog is not rendering through VR

UE - Platform - Mobile - Mar 14, 2016

ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...

Spawn Actor From Class Multiplying Transform Scale By Original Object Scale

UE - Gameplay - Jun 9, 2016

When using the Spawn Actor from Class node, the Spawn Transform Scale is being multiplied by the actor's original scale, instead of just setting the scale to the Spawn Transform's value. In 4.11.2, ...

Attempted to use an out of date DemoNetDriver when using DemoPlay through blueprints

UE - Networking - Oct 27, 2017

Users are not able to play a Demo in PIE using the Execute Console Command node to run the demoplay command. The following warning spams the output log while the demo is still trying to open:LogWor ...

Outside of AnimBP's, Animation Sequences with negative Rate Scales do not animate

OLD - Anim - Mar 20, 2015

Animation Sequences with negative Rate Scales do not play outside of using them in Animation Blueprints...unless they are looping. UPDATE: A negative rate scale value also breaks Anim Montages. ht ...

OnClicked events do not trigger on objects 100k units away from camera

UE - Gameplay - Mar 26, 2015

Objects that are 100k uu+ away from camera do not trigger "OnClicked" events ...

LIVE: Morph Targets do not update in Construction Script

OLD - Anim - Oct 21, 2014

Morph Targets do not update in Construction Script Tested in 4.5 Release and in Latest Promoted (//depot/UE4/Promoted-CL-2323471) ...