History of release 3 changes

In crates/oh/src/main.rs, lines 2156–2247 on 262ec9c51a5c37c68b17e6e78ad6c5583ee8f7a0b8debdc9d81b1454e878358f. 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 2156,2247:crates/oh/src/main.rs.