Unreal Engine Issues

ContentExamples crashes on Mac Metal when pressing the button for Example 2.3 in UMG.umap

When pressing the button for example 2.3 in the UMG map of content examples (Spawns a 3D UMG Widget), the editor crashes. ...

FMonitoredProcess does not properly support -nothreading mode

For single threaded mode, we need to update FMonitoredProcess to handle processing in a single threaded fashion. Currently, we are continuing before the process has completed, which could result in ...

Vulkan crashes on Adreno Galaxy S7

Yosemite users do not receive an "Unsupported version of OSX" message when opening 4.15 from the Epic Games Launcher

When trying to launch the Unreal Engine on OS X Yosemite form the Epic Games Launcher, the editor will not give a warning saying that the current version of OS X is not compatible. We were able t ...

Multiple Post Processing displays are not working in Content Examples - Post Processing

While going through a GPU pass, film setting in post processing isn't working as expected. This does not seem to be GPU specific The displays should resemble the images in the documentation - PPE ...

Misspellings in Material_Properties level of ContentExamples

In the Material_Properties level of ContentExamples, separate is misspelled in demo display 1.6 and tessellation is misspelled in demo display 1.8. ...

Launching QAGame for HTML5 creates an 'uncaught exception: out of memory'.

Launching onto HTML5 opens the browser to Uncaught Exception: out of Memory After running it on a 64-bit browser, the following is printed:uncaught exception: abort("Cannot enlarge memory arrays. E ...

"Combine Meshes" Breaks Material Slot Assignment

When importing an FBX with several different meshes and multiple materials with "Combine Meshes" enabled the materials will get assigned to incorrect portions of the mesh. I've included a version o ...

Crash opening Infiltrator packaged on Windows for Linux

This occurred on packages that were created on different Windows machines. This crash is not occurring on other platforms during our Samples Pass. ...

Crash after entering DebugCreatePlayer console command on Sierra Mac in -game

This is a regression from 4.14.3 This crash does NOT occur in PIE or Standalone Game This does not occur on an El Capitan 10.11.6 MacbookPro or on Windows. ...