Flatpak, the sandboxing Linux package management platform, just announced the release of version 1.3.2 containing both security and stability enhancements.
Ubuntu 19.04 is now officially in a Final Freeze stage. Its official release date is still scheduled for April 18.
Emacs 26.2 is now out, supporting version 11.0 of the Unicode standard, enabling modules to be built outside of the Emacs source tree, and more.
The open source Windows application emulator, Wine, just released version 4.6. This release not only addresses bug fixes but also enhances video capture and 3D libraries.
The maintainers of the Reiser4 file system released a set of patches adding supporting for the Linux 5.0 kernel. They can be found on the project's official SourceForge page.