Calibre 8.5 improves ebook management: new features and optimizations for Kobo users

  • Calibre 8.5 optimizes the experience on GNU/Linux, Windows, and macOS systems.
  • Specific improvements to Kobo devices and support for the latest Tolino firmware.
  • Visual update: Unified scroll bar design for greater accessibility.
  • A solution to the process problem in Windows 11 and several new features for managing ebooks in bulk.

Caliber 8.5

With the arrival of the Calibre version 8.5, the popular open-source e-book manager, brings with it a series of new features designed to make life easier for both regular readers and users who manage large digital libraries. This new release, which arrived a month and a half after former, is available for Linux, Windows and macOS and is presented as a solid update that polishes several sections of the program and continues to improve its compatibility and performance.

Among the most anticipated changes is the Driver optimization for Kobo devices. Users can now customize how collection serial numbers are displayed using a flexible template, making it easier to organize series or individual volumes. Not only that, the software adds support for Latest Tolino firmware, thus ensuring optimal performance on a variety of e-readers.

New features and visual tweaks in Calibre 8.5

One of the most visible aspects of this version is the unification of the style of the scroll bars in light and dark modes. Previously, there were noticeable differences that could be confusing or difficult to navigate; now, both feature a more consistent design with higher contrast, which makes them easier to locate and use, especially during long reading sessions or file management.

For those who tend to organize large batches of ebooks, Calibre 8.5 introduces a new button in the file management dialog This allows you to cancel the action for the remaining books. It's a great little help for avoiding errors when working with many works at once, giving you greater control over the process.

The e-book viewer also receives improvements: Now recognizes chapters with duplicate names, more intelligently grouping notes or highlights you make, making it easier to quickly review or locate notes.

Improvements in compatibility and user experience

In addition to the above new features, we've added some tweaks designed for those using Calibre on Windows 11. Fixed an issue where multiple conhost.exe processes would open when the program was started, which could slow down the system or cause unnecessary resource consumption.

In the field of Email management, the tool now allows you to use random text in English, instead of UUIDs, when generating the subject and body of emails sent to platforms like Amazon or PocketBook. This makes the messages more natural and less mechanical, which can be useful in automated e-book delivery.

The update also brings the updating news sources and minor additional tweaks, as is customary with each new version. Improved publications include The New York Times, The Wall Street Journal, and TLS Magazine, expanding the possibilities for those who consult digital press daily from their reader.

Download, installation and availability

Caliber 8.5 can now be downloaded from its official website, providing installers for Windows and macOS, as well as ready-to-use packages for Linux (both for x86_64 and ARM64 architectures). Additionally, free software lovers can choose to install it via Flatpack from Flathub, thus ensuring that you always have the latest version on hand for numerous GNU/Linux distributions.

With this release, Calibre maintains its commitment to delivering a powerful, free, and cross-platform tool to organize, view, and transfer digital books. The attention to detail and continued evolution of this key tool for eBook enthusiasts and professionals are reflected in the visual improvements and integration with reading devices.