Mobile VR - Foliage (HISM) crash

UE - Platform - XR - Jun 7, 2019

HISMs cause mobile VR app to crash. Confirmed in 4.23 MAIN @ CL 6829265 ...

[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

Drop down menus clip on 27" Screen iMacs

UE - Platform - Apple - Mar 17, 2017

Drop down menus clip on 27" Screen iMacs (See attached images.) Reported from a 27" iMac and tested on a 27" iMac here. Other models may be affected. *Image with Blue circled areas are from the use ...

Character Mesh Position Offset in Online Sessions

UE - Networking - Jun 12, 2017

If a client joins a session while the host is moving their character, the character's mesh will become offset on the client. Example Video: [Link Removed] Found in 4.16.1 and reproduced in 4.17 M ...

Crash in Nativized Packaged Game When Overriding Server Event and Calling Parent

UE - Gameplay - Blueprint Runtime - Aug 15, 2017

A crash is occurring in a nativized packaged game when overriding a server event and calling the parent's implementation in a derived class. The crash doesn't seem to produce a detailed callstack. ...

Compiling Child Blueprint changes values in parent Blueprint

UE - Gameplay - Blueprint - Aug 15, 2017

When Compiling a blueprint that is a child actor component to another blueprint, the value will be incorrectly displayed if the parent blueprint is also not compiled. Versions Tested 4.16.3 - CL: 3 ...

Timer does not work in Object Class Blueprint

UE - Gameplay - Blueprint - Oct 10, 2017

After creating a timer in an Object Blueprint, timer is not called as intended. "InitObject" Event fires but "Call Function" function does not Reproduced in: 4.17.2 CL 3658906, 4.18 P3 3676890 Un ...

Move To Location or Actor Not Working if Location is Outside of Navmesh

UE - AI - Oct 17, 2017

Move To Location or Actor will always fail if the target location is outside of the Navmesh, even if Use Pathfinding is disabled. Found in 4.18 P4 CL# 3685441. Reproduced in 4.17.2 CL# 3658906 & 4. ...

Copying an instance of a blueprint actor that has an extra, non-default element in an array does not copy that extra element

UE - Gameplay - Blueprint - Jul 16, 2018

Copying a blueprint instance that has an array does not copy any elements added to that array directly on the instance and only copies the blueprint's default array elements This worked in 4.13 and ...

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

UE - Simulation - Physics - Sep 18, 2018

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...