The time for adding new text suggestions should be over now. (climatenetwork.org)
We'll also be introducing text suggestions, which suggests the top three words while you are typing with a hardware keyboard. (blogs.windows.com)
To enable the feature, make sure English (United States) language is added in Settings > Time & languages > Region & languages, then set this feature to On by enabling the «Show text suggestions as I type on hardware keyboard» setting under Settings > Devices > Typing. (blogs.windows.com)