Apple Homepod will be released in December 2017

So, Apple is improving Siri to be able to handle people’s requests via Homepod.

With iOS 11 Siri has gained more than a dozen new features:
1. Syncs across devices
2. On-the-spot translation
3. Personal DJ
4. More expressive voice
5. More personal financial services
6. QR codes for payments and sharing social media accounts
7. Productivity apps and lists
8. Personalized suggestions
9. QuickType
10. AppleWatch with Siri

That’s a really huge update, take a look at the full version notes here: https://venturebeat.com/2017/09/23/ios-11-everything-apple-added-to-siri/