History of release 3 changes

In crates/oh/src/main.rs, lines 2170–2261 on v0.9.11. 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 2170,2261:crates/oh/src/main.rs.