Unreal Engine Issues

Using FMallocProfiler extremely slow resolving symbols on iOS

See the UDN. I suggest we add an option to resolve symbols for FMallocProfiler offline for iOS when running on a Mac. We can symbolicate offline when running on a Mac using the atos command (See C ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

Foliage scalability does not accurately update when settings are changed in game

There is an issue that occurs where changing the scalability settings via the game script during play saves the values for the editor, but when the game is played a second time, the settings visuall ...

Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.

If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...

ARCore failing to package

Users reporting packaging issues with ARCore plugin enabled in 4.18 preview #1 and #2: https://answers.unrealengine.com/questions/709840/418-android-packaging-fails-with-arcore-plugin-ena.html ...

Geometry in sublevel created with "Load Level Instance" ignores level transform

Geometry in sublevel created with "Load Level Instance" ignores level transform. Other objects, such as Static meshes are affected by the transform. This issue is not a regression. Versions tested: ...

On Released fires when holding down a button when using touch (mouse/finger not moving)

On Released fires when holding down a button when using touch with the mouse or finger. This happens in mobile preview as well as on devices. As a note, if he mouse is moved before the release auto ...

Steam VR overlay not available when launching packaged game on Oculus Rift through SteamVR without disabling Oculus plugins

Steam VR overlay not available when launching packaged game on Oculus Rift through SteamVR with -hmd=steamvr. Disabling Oculus plugins (except for input) allows it to be summoned normally. Same th ...

Launching packaged game on Oculus Rift through SteamVR without disabling Oculus plugins freezes periodically

Launching packaged game on Oculus Rift through SteamVR with -hmd=steamvr command line parameter periodically freezes Oculus (mirror window still visible and responsive). Freeze does not happen if i ...

Crash when Undoing the change to a default class setting for widgets

The editor crashes when trying to undo a default class change for a child widget after that widget has been compiled. This did not happen in 4.16, it appears to be a regression. ...