Monday, October 19th, 2026 On the occasion of this year's ZUGFeRD developer days, we are published Quba 2.0 already Thursday last week, 15 October 2026. Quba 2, the open source…

Quba 2.0 will not only display, but also export PDF and even create whole e-invoices. Why we switch: Previously, Quba and Mustangproject were two different lines of development.Both could visualize…

Today, May 1st, 2026, we released version 1.5.1 of our open-source e-invoice viewer Quba. This version fixes some minor issues, among others in it's interface switching languages (issue #93), the…

Quba 1.5.0 unterstützt auch ZUGFeRD 1 und bringt eine Suche und ein Handbuch.

On the FOSDEM in Brussels Quba had a little guest appearance in the talk Europe's Way to Mandatory B2B-E-Invoices of which a recording is available.

In order to mutually ask and answer questions Jochen suggests to just meet at the matrix.org #facturx room the next two Thursdays (26.12. and 02.01.) between 16:00 and 17:00 CET.…

On Friday, December 13th, 2024 we published Version 1.4.2 for the Mac again, this time correctly signed and notarized. This solves issue 101 . It's a very rare occasion that…