Caliber E-book App 5.0 Released with Highlights and Dark Mode

Caliber is a cross-platform, open source, comprehensive e-book software that has released version 5.0 with some great new features.

Caliber 5.0 Features highlighting in the e-book viewer. Select the text and[ハイライト選択]Just click a button. There are colors, underlines, strikethroughs, etc., and notes have been added. All highlights can be saved in EPUB files or centrally in the Caliber library.

Dark mode is also supported in the new release. On Windows and Mac, it is automatically activated based on the OS settings. On Ubuntu Linux, launch the software in dark mode via CALIBRE_USE_DARK_PALETTE=1 Environment variable. Other features of this release are:

  • Python3 port. Some third-party plugins will not work until they are ported to Python 3.
  • Supports both vertical writing and right-to-left text.
  • Enhanced search in e-book viewer
  • Content server in-browser viewer bookmark support

Caliber E-book App 5.0 Released with Highlights and Dark Mode

How to install Caliber 5.0 on Ubuntu Linux:

Open a terminal (Ctrl + Alt + T) and run the command to download and install the official installer script.

sudo -v && wget -nv -O- https://download.calibre-ebook.com/linux-installer.sh | sudo sh /dev/stdin

Caliber E-book App 5.0 Released with Highlights and Dark Mode

Once installed, open it from the system application launcher and have fun!

To open the e-reader in dark mode, run the following command:

export CALIBRE_USE_DARK_PALETTE=1 && calibre

How to remove Caliber E-book software on Linux:

To remove the software, open a terminal and run the command:

sudo calibre-uninstall

Caliber E-book App 5.0 Released with Highlights and Dark Mode

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