Microsoft has released Windows 10 Insider Preview Build 18980 (20H1) to Insiders in the Fast ring. Microsoft has made it easier for all Windows customers to use Cortana with the new Cortana app. Microsoft is expecting to add support for the same set of regions and languages currently supported in retail by 20H1 launch with more details regarding the language rollout plans to be revealed at a later date. Microsoft also added multi-select, search, and generally done work to make the Optional Features settings section a lot easier to use.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-build-18980-released-for-all-insiders-with-new-cortana-app/