Unreal Engine Issues

Too large project icon image causes engine to crash

The engine will crash if you upload a project icon that's way too large for the 192x192 area. It'll also crash when you open that project back up and try to access the project settings ...

Engine Plugins are failing to be created

Engine plugins are not being successfully created. Output log reads that the Path QAGame/Plugins cannot be found leading me to believe that it is not creating the Plugins folder for the project. N ...

Plugin dependencies causing RI parameter initialization failures (UDN)

Error on some Niagara emitters using the WindForce module: LogNiagaraEditor: Error: Invalid input type found while attempting initialize new rapid iteration parameters. Function Node: /Game/FX/Expl ...

[CrashReport] Assertion failed: IsValid() - UE4Editor_SlateCore!FWeakWidgetPath::GetLastWidget()

This is a common crash occurring among users in the 4.16 release. Users have not provided any descriptions when they crash, so additional information is not currently available. log file attache ...

iOS Show External Login UI Blueprint Node fails on new iOS devices

I have been trying to test iOS online subsystem functionality for my game and thought that this blueprint node was just broken. This bug will probably catch many UE4 developers that are new to iOS b ...

Runtime-generated components stored in the VisibleAnywhere array are not displayed in the detail panel

Runtime-generated components stored in ObjectPtr with VisibleAnywhere are displayed in the details panel, but not for arrays. Applying the following workaround, components can be visible even in ar ...

Unexpected corrections when sliding against other characters

We are seeing unexpected movement corrections sometimes when pushing one player character up against another character that isn't moving, or against other static primitives that have round features ...

Crash on Galaxy S7 devices with Mali GPU (SM-G930F / SM-G935F)

Attached Project Crashes When Compiling Character Blueprint

The user's project is crashing during compilation of one of their character blueprints. We have not been able to reproduce this issue in a clean project, as the repro steps are unknown outside of t ...

FTickTaskLevel::RescheduleForIntervalParallel Crash

Short description from Licensee (attached UDN has more info):When streaming a level in and/or out (out especially in World Partition due to the bRequireFullVisibilityToRender variable usage) there i ...