Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes

Tools - Dec 19, 2018

Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...

Dynamic input scripts crash when removing IF node's Pin and recreating it

UE - Niagara - Dec 19, 2018

This seems to happen with other NiagaraScript. According to Licensee, when this operation is done, it seems that the ID of the parameter is incorrect. ...

'Desktop User' is unable to see the laser pointer pointed by 'VR User'.

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2018

Host is unable to see lasers of clients. ...

WMR: Crash in VR Edit Mode

UE - Platform - XR - Dec 19, 2018

Editor crashes when entering VR Edit Mode with WMR HMD ...

Incorrect/Different hard shading on meshes in Forward Shading

UE - Graphics Features - Dec 18, 2018

With forward shading enabled in 4.21 shading appears to be too hard on certain faces. This is working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538 and 4.22 CL# 4666322 ...

Build Plugin process fails with null reference exception when building a plugin that has "Can Be Used With Unreal Header Tool" set to true

UE - Foundation - Cpp Tools - Dec 18, 2018

Trying to use UAT to build a plugin that has CanBeUsedWithUnrealHeaderTool set to true will fail due to a null reference exception (log from Main CL 4666322 attached). This happens because the plugi ...

Transform is incorrect when attach track is added in master sequence if object is in both master sequence and shot sequence

UE - Anim - Sequencer - Dec 18, 2018

It appears that attach tracks do not account for sub sequences when compensating for transform tracks when created. ...

Crash When deleting an animation state while it is open in other tab

OLD - Anim - Dec 18, 2018

When deleting a state in a state machine while the state is open in another tab the editor will crash ...

The previous value of a struct passed to a RepNotify may be incorrect

UE - Networking - Dec 17, 2018

Replicated structs with multiple properties can have the wrong previous value passed into their rep notify functions if all of the properties do not change in any given frame of replication to the c ...

Removing instances from HISM using Sequence node for execution in Construction Script behaves differently than ISM

Tools - Dec 17, 2018

When using the Construction Script to remove instances with the Get Instances Overlapping Sphere function to get the references, the behavior of this functionality is different for ISM and HISM if a ...