The Kirin 970 has been officially announced, and while it doesn't really do much new in terms of raw power, it brings improvements in the GPU and power efficiency region, with the SoC being built on TSMC's 10nm process.
https://www.notebookcheck.net/Kirin-970-officially-unveiled-Neural-Processing-Unit-for-AI-functionalities-onboard.246184.0.html