A Function whose declaration is in a platform specific "If" block cannot be bound to a delegate

UE - Foundation - Core - Jun 3, 2016

Functions whose definition is in a platform specific "if" block cannot be bound to a delegate and also causes an assert when beginning to play in PIE for the first time since compiling, but the asse ...

ShooterGame weapon meshes are not consistent in Blueprint vs Editor viewports.

UE - Gameplay - Blueprint - Dec 8, 2016

Opening the WeapGun or WeapLauncher blueprints will show that Mesh3P has a relative rotation of -90, however both meshes are shown overlapping each other. When an instance of the blueprint is added ...

Level Visibilty track in Sequencer does not play in PIE

UE - Anim - Sequencer - Dec 29, 2016

When setting the Sublevels hidden in Sequencer, the sublevels become hidden in the viewport, but does not hide when it is played in PIE. To test if the sequence played at start, I added a cube to t ...

Resetting default on Power Of Two Mode, does not revert back to None in details panel

Tools - Oct 3, 2016

Resetting the Power of Two Mode is expected to revert the setting back to the default setting of None both in the viewport and the details panel. Both clicking the default arrow and Ctrl Z does not ...

uncaught exception: out of memory after launching project onto HTML5 (32-bit browsers)

UE - Platform - Mobile - Mar 20, 2017

First person template project is struggling to run on Firefox 32-bit Version 52.0.1 and eventually throws an "uncaught exception: out of memory" error. Occurs in both BP and C++ projects. May be a ...

Inconsistent 'Skip Owner' Replication Behavior Between Editor and Packaged Game

UE - Networking - Apr 13, 2017

When a variable is set to Skip Owner replication, it is still being replicated to the owner in a packaged game. This is inconsistent with the behavior in the editor, as testing this using Play in Ne ...

Run command fails launching onto iOS from Mac with Error_DeviceOSNewerThanSDK on Xcode 8.3.3

UE - Platform - Mobile - Jun 9, 2017

Xcode version is 8.3.3 and device OS version is 10.3.2Error Launch failed! Failed to launch on device. Make sure your install of Xcode matches or is newer than the OS on your device. Tested on i ...

[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState

UE - Rendering Architecture - RHI - Aug 25, 2017

This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...

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. ...