History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 435–453 on 965b950f9b9657901127c61c6b689afee7d0c564d08d767a566a24a4719a3b59. 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 435,453:crates/hub/src/protocol.rs.