History of release 2 changes

In crates/oh/src/main.rs, lines 889–980 on 348f8c4baccfc67050ed97ac93d9506d965e97e6e8b85543365ea1a4793848a7. 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 889,980:crates/oh/src/main.rs.