The checkpoint formats this build reads: the released format it writes and
every older released format down to OLDEST_READABLE_CHECKPOINT_FORMAT.
Anything else — an older layout this build cannot read, or a newer format it
has no layout for — is refused by the decode.
The checkpoint formats this build reads: the released format it writes and every older released format down to OLDEST_READABLE_CHECKPOINT_FORMAT. Anything else — an older layout this build cannot read, or a newer format it has no layout for — is refused by the decode.