Do you have a link - please?
No - need - I remembered https://www.kernel.org/releases.html
But it is still EOL before 5.10
Longterm
There are usually several “longterm maintenance” kernel releases provided for the purposes of backporting bugfixes for older kernel trees. Only important bugfixes are applied to such kernels and they don’t usually see very frequent releases, especially for older trees.
Version Maintainer Released Projected EOL 5.15 Greg Kroah-Hartman & Sasha Levin 2021-10-31 Oct, 2023 5.10 Greg Kroah-Hartman & Sasha Levin 2020-12-13 Dec, 2026 5.4 Greg Kroah-Hartman & Sasha Levin 2019-11-24 Dec, 2025 4.19 Greg Kroah-Hartman & Sasha Levin 2018-10-22 Dec, 2024 4.14 Greg Kroah-Hartman & Sasha Levin 2017-11-12 Jan, 2024 4.9 Greg Kroah-Hartman & Sasha Levin 2016-12-11 Jan, 2023 4.4 Greg Kroah-Hartman & Sasha Levin 2016-01-10 Feb, 2022