History of release 2 changes

In crates/oh/src/main.rs, lines 1498–1589 on 32cfb089f5e6a8eede757776fa39cf1fe98594bda3c89cfc867f07d768d7b510. 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 1498,1589:crates/oh/src/main.rs.