History of release 2 changes

In crates/oh/src/main.rs, lines 1454–1545 on f01cb865fc60230b8370579a98b7eac42de01abe2ac040d85bbd0acf03f9e80d. 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.