History of release 2 changes

In crates/oh/src/main.rs, lines 889–980 on ea85398a51bced71a3258af750efa953d4dc181dcd1d0ef11cc7758ef548ef9a. 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.