pub const MIN_FORMAT_VERSION: u16 = 3;Expand description
Oldest container-format version this build reads.
Since v2.9.8 that is the current one only (ADR 0042, following ADR 0028’s
v2.0.0 epoch). A .rns file from v2.9.7 or earlier carries 2 (or 1) and
is refused at the header.