Coming two years after the GnuCash 3.0 series, GnuCash 4.0 is here to introduce a plethora of new features and improvements, as well as updated dependencies, which include GCC 8.0 or Clang 6.0, CMake 3.10, Boost 1.67.0, gettext 0.19.6, GTK 3.22.30, Webkit 2.14.1, and Glib 2.56.1. Highlights include a new gnucash-cli command-line tool for updating the prices on books and run reports by name or guid directly from the command line, and the ability to save entry column widths in the Business Document Column (Invoices, Bills, and Employee Vouchers) as defaults for each type of document.