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KDE Plasma 6.4 Desktop Environment Enters Beta Testing with Many New Features

KDE Plasma 6.4 promises a major UI revamp for the Spectacle screenshot utility, support for per-virtual-desktop custom tile layouts, KWin-X11 easy to use, but flexible X window manager, and the Aurorae theme engine for KWin window decorations.

Arch Linux Installer Now Supports Labwc, Niri, and River Wayland Compositors

Archinstall 3.0.5 is here to add support for the Labwc Wayland window-stacking compositor, Niri scrollable-tiling Wayland compositor, River dynamic tiling Wayland compositor, and XMonad dynamically tiling X11 window manager that is written and configured in Haskell, as profiles.

You Can Now Upgrade Ubuntu 24.10 to Ubuntu 25.04, Here’s How

Ubuntu 24.10 was released on October 10th, 2024, and will be supported for a couple more months, until July 2025. Since this isn’t an LTS (Long Term Support) release, users might want to consider upgrading to Ubuntu 25.04 as soon as possible.

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Calibre 8.4 Open-Source Ebook Manager Improves KEPUB Output, Fixes Bugs

posted by Marius Nestor on May 09, 2025

Highlights of Calibre 8.4 include a new option to generate KEPUB files that have better text justification at the cost of gaps in highlighting when used on a Kobo ebook reader and support for extending the background image specified in the Style section of the E-book viewer preferences under the page margins.

The E-book viewer received more attention in this release as the developer also fixed a regression that broke the “show book in main calibre program” link, an issue where some links weren’t processed correctly for very large EPUB files that contained many internal HTML files, and the ability to handle links to missing internal files with an error pop-up.

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