https://www.bleepingcomputer.com/news/microsoft/windows-11-notepad-finally-gets-spellcheck-and-autocorrect/

Microsoft continues to add new features to the Windows Notepad, today announcing a preview release with built-in spellchecking and an autocorrect feature.

Windows Notepad languished without new features for years while more modern text editors, like Notepad2 and Notepad++, were developed and released.