.NET 10 is Here! And Yes, Your Old Codebase Can Come With You

It’s that time again! New .NET release, new features, new performance tuning, new shiny things to get excited about. And if you’ve been sitting on a legacy application thinking “One day we should really do something about this…” well, congratulations, that day just got easier.

As of today, all GAPVelocity AI Migrators support .NET 10, including:

• VB6 → .NET 10
• PowerBuilder → .NET 10
• Clarion → .NET 10
• .NET Legacy → .NET 10 with Blazor
• And the crowd favorite: C# → Blazor

This update means you can modernize even ancient applications into current, supported .NET without rewriting the entire system by hand or rage-opening 100 Jira tickets.

But let’s get into the two that developers ask us about the most:

VB6 → .NET 10 with the GAPVelocity AI Migrator

Look. VB6 had a great run. Truly. Respect.

But in 2025, maintaining a VB6 application feels a bit like driving a 1997 Honda Civic with 380,000 miles on it. It still runs, but you're praying the transmission doesn’t explode every time you get on the highway.

The GAPVelocity AI Migrator for VB6 analyzes your VB6 codebase, maps language constructs, state handling, UI logic, and API behavior, and produces clean, structured C# targeting .NET 10.

Not AI hallucination.
Not “helpful suggestions.”
Not “well… it compiles, mostly.”

This is deterministic AI + decades of migration heuristics.

What it does well

• Converts Forms, events, and state patterns to maintain behavior in .NET
• Translates ADO / DAO data access to modern data patterns
• Generates clean C# that real humans can read, maintain, and refactor further
• Preserves intent and architecture instead of flattening everything into spaghetti

Typical VB6 → .NET 10 Output Example

 ' VB6
Private Sub btnCalculate_Click()
    total = price * quantity
    lblTotal.Caption = total
End Sub

 // .NET 10 (C#)
private void OnCalculateClick()
{
    var total = price * quantity;
    lblTotal.Text = total.ToString();
}

Simple example, but scale it up across 200k LOC and that’s where the AI + deterministic mapping matters.

C# → Blazor with the GAPVelocity Blazor Migrator

Then there’s the problem every .NET dev now knows:

“We want a modern UI. We want it to run everywhere. Web. Desktop. Also can we not rewrite everything from scratch? Thanks.”

This is exactly why we built the Blazor AI Migrator.

It transforms server-side MVC or WinForms code into Blazor components including:

• UI controls → razor components
• Data-bound controls → stateful Blazor patterns
• Event bindings → async .NET event handlers
• Reusable logic → services and dependency injection

Before → After Snapshot

 // ASP.NET WebForms
protected void Submit_Click(object sender, EventArgs e)
{
    resultLabel.Text = Calculator.Calculate(value1, value2).ToString();
}

 <!-- Blazor -->
<button @onclick="Calculate">Submit</button>
<p>@Result</p>

@code {
    private int Result;

    private void Calculate()
    {
        Result = Calculator.Calculate(value1, value2);
    }
}

No weird runtime adapters. No client/server mystery sync. No “hope the magic framework does the right thing.”

So Why .NET 10?

Because .NET 10 is:

• LTS (Long Term Support through 2028)
• Faster. Everywhere.
• Better memory profiles
• Updated JIT improvements
• Native cloud optimizations
• Blazor Interactive enhancements (fewer hydration headaches)

This is the “safe harbor” release. If you’re on .NET 6 or earlier, your security updates are basically on life support. Time to move.

Try the Migrators — No Commitments, No Surprise Consulting Bills

We offer a free code scan using our ByteInsight agent. It looks at:

• Size & complexity
• Risk hotspots
• Estimated automation coverage
• Recommended modernization path

You get a report. You do not get a sales hostage situation.

👉 Start here

• VB6 AI Migrator: https://www.gapvelocity.ai/products/vbuc/free-trial 
• Blazor AI Migrator: https://www.gapvelocity.ai/products/webmap-blazor/c-sharp 

And If You Want to Geek Out Live…

We’re teaming up with Jeff Fritz and Progress Software for:

Best of .NET Conf + .NET 10

📅 January 9, 2026
🎤 Live coding with Jeff Fritz & Friends
🎁 10 x $250 gift card giveaways
🤓 Full-on nerd festival

Register: https://www.gapvelocity.ai/best-of-dotnet-10

If you want help moving your app from 1999 → 2026, we’re your people.

If you’d rather stay on VB6 forever… well… nostalgia is a powerful drug.
But call us when the printer drivers stop working.