0.12.0 makes one-shot calls cheaper on large stores: a diff between two check-ins reads only the parts of the trees that differ (a one-file diff on a 42,000-file store, 83 ms to 3 ms), log for a path parses one line per tree node, and an open checks only the cache blocks it reads. Stores and the wire are unchanged; two caches change format and are rebuilt once, which on a large store takes minutes on the first history read, so read the compatibility notes before deploying. Built with Zig 0.17.0.