History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 369–387 on 1b6536f06132197240c848a7d44e24e80afc37394e0d66fd37fb08427fe10ce3. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 369,387:crates/hub/src/protocol.rs.