# Migration plan
This page outlines key changes and important details to consider when migrating. It highlights what’s new, what’s changed, and any steps you need to take to ensure a smooth transition. This isn’t a full step-by-step guide but a quick reference to help you navigate the most critical parts of the migration process.
## Key changes in v2
### Global namespace change
In version 2.0 the namespace has been changed from `WPF-UI` to the more .NET compatible `Wpf.Ui`. The package name has not been changed to maintain branding and consistency.
### Navigation
The navigation control has been rewritten yet again, making it almost completely incompatible.
All navigation controls inherit from `Wpf.Ui.Controls.Navigation.NavigationBase` base class.
```xml
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```xml
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```xml
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### Titlebar
The titlebar control has been rewritten yet again, making it almost completely incompatible.