Linux Editor creates multiple installation identifiers for itself if Install.ini is removed

UE - Platform - Linux - Sep 17, 2020

The first ID contains brackets and a trailing slash while the second does not. Alternatively if the engine is opened with a .uproject argument no ID will be created until the "Open Project" dialog i ...

Clion isn't recognized on Linux

UE - Platform - Linux - May 4, 2020

Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...

GetMousePosition - top and left edges incorrect on Linux

UE - Platform - Linux - May 4, 2020

At times if the cursor is in the top/left edges the x/y get mouse position can fail ...

Codeworks fails to install under Ubuntu 18.04 and later

UE - Platform - Linux - Apr 28, 2020

Codeworks is packaged with Unreal engine download from Github, but depends on Libpng12, which is deprecated. Current version of Libpng is Libpng16 ...

Linux server builds of 4.24.0 failing due to Text3D plugin's dependencies on FreeType2 and HarfBuzz

UE - Platform - Linux - Jan 31, 2020

The build error is descriptive. FreeType2.Build.cs and HarfBuzz.Build.cs explicitly check if they are being used for a Unix server build and throw exceptions to prevent that. Commenting out those ex ...

Crash after clicking the Build button on Linux

UE - Platform - Linux - Sep 17, 2019

This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...

Linux Native Toolchain depends on libninfo5 which is not bundled

UE - Platform - Linux - Sep 6, 2019

libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...

Umask ignored on Linux

UE - Platform - Linux - Aug 28, 2019

UE4 is hardcoded to use 755 for files and directories. See mkdir() in Engine/Source/Runtime/Core/Private/Unix/UnixPlatformFile.cpp This is also repeated for Android, HTML5, and Lumin but i cannot c ...

4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling

UE - Platform - Linux - Aug 26, 2019

Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...

Dependent modules, compiled from editor, link to wrong versions

UE - Platform - Linux - Aug 2, 2019

The project consists of 2 modules, "ReloadBug" and "DependentModule." DependentModule has a one-way dependency on ReloadBug, and ReloadBug is the primary game module. On module load, DependentModule ...