Fedora Linux 43 Beta released

Fedora Linux 9174 Published 2025-09-16 17:43 by Philipp Esselbach

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The Fedora Project has released the beta version of Fedora Linux 43, a crucial step towards its final official release in October. The beta build includes various desktop environments with updates that benefit users and developers, such as the XFCE 4.20 and LXQt 2.1, which now use Wayland for improved performance and functionality. For developers, Fedora Linux 43 Beta introduces features like Copilot Runtime Verification Framework, Ruby 3.4, PHP 8.4, and updates to the GNU Toolchain with GCC 15 and Binutils 2.44. Additionally, the beta release includes other notable updates, including FEX Emulator, SDL 2 to SDL 3 Transition, and IBus Internationalization Library enhancements.

Fedora Project Releases Fedora Linux 43 Beta

The Fedora Project has made major advances during the development of its latest operating system release, Fedora Linux 43. The beta version, which is now available for download, represents a crucial step towards the final official release scheduled to take place in October. This release is identical to the previously released Fedora Linux 43 Beta RC 1.3.

Notable Features and Updates

A variety of desktop environments are included in this beta build, with specific attention paid to updates that will benefit users and developers alike. Some of the key features include:

Fedora COSMIC Spin: A unique spin of Fedora Linux that offers hybrid per-workspace tiling management, window stacks with tabs for switching between windows, and customization features integrated with the GTK toolkit.
XFCE 4.20: Brings experimental Wayland support to users, allowing them to experience improved performance and functionality.
LXQt 2.1: Now uses Wayland by default through miriway, enabling seamless integration of this lightweight desktop environment with Fedora Linux.
Fedora KDE Plasma Desktop: Has been promoted to full Edition status, ensuring that users can take advantage of the latest version of this popular desktop environment.

Enhancements for Developers

The beta release includes a range of updates and enhancements designed specifically for developers. Some of the key features include:

Copilot Runtime Verification Framework: A NASA-developed system for generating hard real-time C code, enabling developers to create more efficient and reliable applications.
Ruby 3.4: Features a new default parser (Prism), improved YJIT compiler performance, and the Happy Eyeballs Version 2 socket feature, making it an attractive option for Ruby developers.
PHP 8.4: Introduces property hooks for computed properties, independent read/write scope control, a new #[Deprecated] attribute, and new array functions, enhancing the capabilities of this popular programming language.
GNU Toolchain: Has been updated with GCC 15, Binutils 2.44, glibc 2.41, and GDB 15+, ensuring that developers have access to the latest tools and technologies.

Other Notable Updates

In addition to these key features and updates, Fedora Linux 43 Beta includes a range of other notable changes. Some of the highlights include:

FEX Emulator: A fast emulator that allows running x86 and x86-64 binaries on an AArch64 Linux host, providing developers with a convenient way to test their applications.
SDL 2 to SDL 3 Transition: Applications using SDL 2 will now transparently utilize SDL 3 through the sdl2-compat package, aiming for a seamless transition and potential performance improvements.
IBus Internationalization Library: Updated to version 1.5.32, featuring enhanced Wayland input-method protocol support and improved candidate popup displays.
X86 MIPI Camera Hardware Enablement: Expanded for integrated cameras on x86 laptops and tablets.