History of Sky::instances 3 changes

In crates/backdrop/src/sky.rs, lines 494–511 on 8f0efa0729b02b703ca4caeb29ee53b6acd7c4e2e403f140617b26430d0e8570. 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 494,511:crates/backdrop/src/sky.rs.