Memory leak when repeatedly opening levels on Android

UE - Platform - Mobile - Mar 17, 2017

We tested on xiaomi 4c. ...

High GPU Memory Consumption when Moving an actor that contains a SceneCapture2D

UE - Graphics Features - Mar 29, 2017

When using a SceneCapture2D within blueprints (as a component or actor blueprint) and moving the blueprint around while placed in the world (Capture Every Frame and Capture on Move enabled). The mem ...

Memory increase when exiting PIE with Project Settings open

Tools - Nov 30, 2016

Memory increase when exiting PIE with project settings open Regression: YES Broken: 3195953 (4.14.0) Worked: 3195953 (4.13.2) ...

Memory-only FMOD assets cause 'unable to find cached package' spam in log

UE - Foundation - Core - Cooker - Jan 23, 2017

When loading individual events/sounds in an FMOD bank file, the cook will emit a warning for each asset which pollutes the log file with superfluous messages. This is because the actual event/sound ...

Crash on exit when using -opengl4 and visualizing a material buffer "vis BufferName"

UE - Graphics Features - Dec 5, 2016

Upon exit it appears that some resource is trying to clean itself up after the RHI has been destroyed. Call stack (approximated) looks like: FOpenGLDynamicRHI::InvalidateTextureResourceInCache() ~F ...

Crash on Device when Deploying Mobile Project with Modulated Shadows and Planar Reflections on iOS 9

UE - Platform - Mobile - Jan 6, 2017

A crash occurs on iOS when deploying the licensee's project using iOS 9 version. The crash does not occur when deployed to a device using iOS 10 version. They believe the crash to be related to Pl ...

Calling FHttpResponsePtr::GetContentLength() from OnRequestProgress delegate returns different values on Mac/iOS than Windows

Tools - Nov 9, 2016

Licensee was looking for a way to get total file size to display download progress. On Windows (which uses the curl library for Http request/response), binding a function to the OnRequestProgress d ...

[CrashReport] Assertion failed: !bIsReentrant - UE4Editor-UnrealEd.dylib!SaveWorld()

UE - Platform - Apple - Jul 27, 2017

This is a common crash on Mac in 4.16 and has occurred since at least 4.14. User DescriptionsI added a character to a blank map and tried to save it. Callstack from LogLogEditorViewport: Clicking ...

Major performance drop with instanced meshes since PhysX 3.4 upgrade

UE - Simulation - Physics - Mar 15, 2017

Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...

[CrashReport] Crash on Mac - UE4Editor-IOSTargetPlatform.dylib!FIOSDeviceHelper::DoDeviceConnect()

UE - Platform - Mobile - Jul 20, 2017

This is a common crash affecting Mac users on 4.16, it has occurred since at least 4.14. Users have not provided any descriptions. ...