Projects cannot be built and opened in DebugGame from the commandline

Core - Oct 16, 2017

Code projects in 4.18 cannot be opened in DebugGame from the commandline. REGRESSION: Yes. This worked successfully in 4.17.2. The attached log is from 4.19. The log for 4.18 was similar. ...

Having Visual Studio 2017 Preview installed breaks engine associaition with VS

Core - Oct 5, 2017

If Visual Studio 2017 is currently installed and the preview version is installed alongside it, Setting Editor Preferences>Source Control>Source Code Editor to Visual Studio 2017 will always open th ...

Adding a code class to a blueprint project causes the editor to crash

Core - Oct 5, 2017

Adding a code class to a blueprint project causes the editor to crash after attempting to hot reload. This only occurs for a fully bluprint project, code projects or BP projects that have already h ...

Local binary build fails for iOS platform.

Core - Oct 5, 2017

Attempting to create a local binary build of the Engine for the iOS platform using BuildGraph is currently failing. While trying to build UHT for Mac using a remote build, the build fails because it ...

Crash adding a C++ First Person feature pack to a project

Core - Oct 2, 2017

Result: Crash while compiling modules for the projectFatal error: [File:d:\Builds\Release-4.18\Engine\Source\Runtime\CoreUObject\Private\Templates\Casts.cpp] [Line: 10] Cast of nullptr to Package fa ...

User isn't prompted to restart the editor when changing Local DDC path

Core - Sep 6, 2017

When changing the Local Derived Data Cache setting in Editor Preferences, the user isn't prompted to restart the editor, unlike other settings that require a restart to work. ...

Inaccurate dialog box displayed when trying to open a project that contains a plugin with missing binaries

Core - Aug 29, 2017

In 4.17, attempting to open a project that contains a plugin with a missing .dll file results in a dialog box appearing that says that the plugin is not compatible with the current Engine version, a ...

[CrashReport] UE4Editor_Core!FFileHandleWindows::Seek() [windowsplatformfile.cpp:501]

Core - Aug 29, 2017

This is common crash coming out of the 4.17 and 4.18 releases. The callstack is similar to an old unresolved import crash: UE-39135 User Descriptionsrebuilding lightbuilding lighting from a datasmi ...

[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]

Core - Aug 22, 2017

This is a common crash in the 4.16 and 4.17 releases. User DescriptionsWriting a custom component in C++. Hotcompiled it through VS2017. Had the BP editor open with a class derived from that compo ...

[CrashReport] UE4Editor_CoreUObject!FLinkerSave::FLinkerSave() [linkersave.cpp:31]

Core - Aug 22, 2017

This is a longstanding and common crash that has occurred since at least the 4.11 release. The error appears to occur while trying to access a .tmp file. User DescriptionsI left unreal unattended ...