9to5Linux

Calibre developer Kovid Goyal released Calibre 9.12 today as the latest stable version of this open-source, free, and cross-platform ebook management software for GNU/Linux, macOS, and Windows. Coming a month after Calibre 9.11, the Calibre 9.12 release introduces a new option in the Edit Book feature to convert GIF images to JPEG/WebP, a new button in the ToC Editor to sort the entries in the Table of Contents, and support for the latest Tolino firmware.

GNOME 50.3 has landed as the third maintenance update to the latest GNOME 50 desktop environment series to fix more bugs across various core components and apps. Coming a month after GNOME 50.2, the GNOME 50.3 release improves GNOME Shell’s animation when expanding the app grid label, adds support for announcing search result descriptions to screen readers, improves spacing in the lock screen media notifications, and prevents workspaces from being removed mid-animation.

Linux hardware vendor System76 released COSMIC 1.5 today as the latest stable version of this open-source, free, and Rust-based graphical desktop environment for Linux-based operating systems.

Shelly 3.0 has been released today as a major update for this open-source and free pacman alternative for Arch Linux distributions that introduces a completely revamped experience, new features, and many improvements.

Wayfire 0.11 has been released as a major milestone for this open-source modular and extensible Wayland compositor, and, hopefully, the last update before the massive Wayfire 1.0 release. But Wayfire 0.11 is already a big release, bringing improvements to fractional scaling by moving geometry handling to floating-point numbers and enabling HiDPI support for Xwayland applications, which results in crisp text/rendering with any combination of resolution and scale.

Mozilla updated the Firefox Nightly builds today to the new design it teased earlier a couple of months ago, so we’re taking a closer look at Firefox’s brand-new look out of curiosity. Mozilla is calling the new Firefox design “Project Nova” internally, and the ultimate goal is to make the popular open-source web browser feel cleaner, faster, adaptable, and warmer. The new design was split into two parts, the first one being the redesigned settings delivered with the Firefox 152 update.

Fwupd developer Richard Hughes released fwupd 2.1.7 today as a new stable update in the fwupd 2.1 series of this open-source project for updating and managing the firmware of various hardware on your Linux distribution. Coming more than three weeks after fwupd 2.1.6, the fwupd 2.1.7 release introduces support for PixArt PJP360 devices, an MTD lock security attribute, support for “externally managed” EFI signature lists, and “well known” AppStream IDs for common BIOS settings.

Ubuntu maker Canonical announced today a HWE (Hardware Enablement) stack for virtualization shipping shortly with the next point release of the latest Ubuntu 26.04 LTS (Resolute Raccoon) operating system series. As you all know, Canonical already offers kernel and graphics HWE stacks for long-term supported Ubuntu releases, but now it has decided to also offer a virtualization HWE stack to enable support for newer hardware on Ubuntu LTS releases. “Virtualization is closely tied to hardware.

The 302nd installment of the 9to5Linux Weekly Roundup is here for the week ending July 26th, 2026, keeping you updated on the most important developments in the Linux world. If you missed last week’s 9to5Linux Weekly Roundup, catch up with everything GNU/Linux/Open Source here. I want to thank everyone who sent us donations; your generosity is greatly appreciated.

The UBports Foundation released Ubuntu Touch OTA 2.0 today as a major update to this open-source and free mobile operating system for smartphones and tablets. Ubuntu Touch OTA 2.0 is the second major update based on the Ubuntu 24.04 LTS (Noble Numbat) operating system series, introducing an updated browser engine for the Morph Browser app based on Chromium 134, which improves compatibility with today’s websites, along with an installer for Widevine for playing DRM-protected content.