According to a new report by DigiTimes, the uptake of 7nm chips from TSMC was at its lowest 2019 ebb in the first quarter of this year (1Q2019). However, the company expects its orders to push its relevant processes to their full capacity in 3Q2019. The firm has also started using the improved EUV method for the production of 7nm dies.
https://www.notebookcheck.net/TSMC-will-fire-on-all-7nm-making-cylinders-by-the-next-half-of-2019-new-report.415937.0.html