Version 9.3 was not merely a maintenance patch; it was a refinement of the core migration engine that addressed the most stubborn bottlenecks in VB6-to-.NET migration.
While many VB6 developers initially preferred moving to VB.NET to maintain familiarity with the language syntax, the industry trend has shifted heavily toward C#. Visual Basic Upgrade Companion 9.3 offered high-fidelity conversion to both languages. This allowed organizations to use the migration project as an opportunity to pivot visual basic upgrade companion 9.3
: Automatically resolves variable types to reduce "late binding" performance issues [12, 14]. Version 9
Perhaps the most technically challenging aspect of moving from VB6 to .NET is data access. VB6 relies heavily on ADO (ActiveX Data Objects), specifically the Recordset object. The .NET framework uses ADO.NET, which is fundamentally different, relying on disconnected data models, DataSets , DataTables , and DataReaders . This allowed organizations to use the migration project
Mobilize.Net has hinted that version 10.0 (expected late 2025) will include , where the tool not only translates VB6 but suggests modern architectural patterns (e.g., MVVM for WinForms, Blazor hybrid for web). However, for today’s migration needs, 9.3 represents the most stable, feature-rich release to date.