History of release 2 changes

In crates/oh/src/main.rs, lines 1482–1573 on c2be148cfe83dd38228a64d398fdc765983d2ec64eb741aac1ec50e83297201a. 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 1482,1573:crates/oh/src/main.rs.