History of release 2 changes

In crates/oh/src/main.rs, lines 1498–1589 on d9b3b84605a4f30f778d73011e379e8178f33d8d2c6d3d6704c7f5f7e108d5f7. 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.