What I Shipped in April Building Invoiso(v4.0.5)

April was one of the busiest months so far while building Invoiso , a free offline invoice and billing tool for Windows and Linux. This month was less about one big headline feature and more about making the app work better for real businesses: due dates, quotations, customer imports, product imports, bank details, better PDF downloads, and a lot of layout and reliability fixes. All Changes Shipped in April 2026 GitHub · Website · Download The Focus This Month The focus for April was: Better inv