crates/snowbound/src/sync.rs   |  28 +-
 crates/snowbound/src/update.rs | 544 +++++++++++++++++++++++---------
 tools/RELEASE.md               |  50 ++-
 tools/release.py               |  25 +-
 tools/test_release.py          |  20 +-
 5 files changed, 490 insertions(+), 177 deletions(-)