Report development is completely different from what it used to be. The report development experience changed in Microsoft Dynamics NAV 2009 with the introduction of the Report Definition Language Client-side (RDLC) report, but it changed again with the actual release of the application.
With Microsoft Dynamics NAV 2009, RDLC-based reports were introduced, but reports were still compatible with the classic definition of reports in Microsoft Dynamics NAV. RDLC reports were actually based on the classic definition of the report.
From Microsoft Dynamics NAV 2013, the classic definition of reports has disappeared and only RLDC-based reports are available. This is why the report development experience has changed again. It now resembles the development experience for pages, queries, or XML ports.
With the advent of Microsoft Dynamics NAV 2015, a new way of managing reports was introduced: Word Report Layout. A Word report layout is based on a Word document (.docx...