After the cancellation of the new Galaxy Note series for 2021, SamMobile has confirmed that Samsung still has some interesting hardware due in 2021. We must wait until at least the autumn for any new flagship smartphones, though.
https://www.notebookcheck.net/New-Samsung-Galaxy-Z-foldable-smartphones-and-Wear-OS-smartwatches-due-in-Q3-2021-Galaxy-S21-FE-arriving-in-Q4-2021.528181.0.html