[batina]

You can still use Uniscribe in Windows 10 but as you said it has been superseded by DirectWrite (used in Microsoft Word, WPF, etc).

[imron]

Yep, you can definitely still use it all, just like you can continue to use the even older APIs too - hooray for backwards compatibility.

Just pointing out that the technology for Notepad has actually changed and improved since 2005.