History of Sky::instances 3 changes

In crates/backdrop/src/sky.rs, lines 494–511 on ffb67a81188c4cdc0abc3697121000cef9d31950af99495923285770c7d602c0. 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.