v5.9.16 was just tagged [EOL].
According to https://www.kernel.org/category/releases.html the long-term kernels will be:
- 5.10 - 5.4 - 4.19 - 4.14 - 4.9 - 4.4 (maintenance ends in 2 months - but we anyways have no letux-4.4)
For Letux-Kernels we will follow this scheme.
BR, Nikolaus