stack-9.0.yaml       nightly-2021-12-04        → bump to lts-19.33
stack-9.10.yaml      nightly-2025-05-14        → bump to lts-24.28
stack-9.12.yaml      nightly-2025-10-05        → bump to nightly-2026-01-13
stack-9.2.yaml       lts-20.1                  → bump to lts-20.26
stack-9.4.yaml       lts-21.20                 → bump to lts-21.25
stack-9.6.yaml       nightly-2023-08-04        → bump to lts-22.44
stack-9.8.yaml       lts-23.12                 → bump to lts-23.28
stack.yaml           nightly-2025-05-14        = symlink to stack-9.10.yaml