History of release 2 changes

In crates/oh/src/main.rs, lines 1454–1545 on 08e221b776581dd09db3b37c9d3360be6bf420dc197b878a3581dde4d661b63d. 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 1454,1545:crates/oh/src/main.rs.