1.68.0 beta #

Unreleased, branched from master

• Will be stable on: 9 March, 2023
• Will branch from master on: 20 January, 2023

• Change bindings_with_variant_name to deny-by-default (merged 6 days ago)
• Add O(1) Vec -> VecDeque conversion guarantee (merged 19 days ago)
• Fix impl block in const expr (merged 36 days ago)
• Implement From<bool> for f32, f64 (merged 37 days ago)
• Make VecDeque::new const (merged 38 days ago)
• Implement DerefMut for PathBuf (merged 42 days ago)