• Use #[proc_macro] at Rust 1.45+ to fix an issue where proc macros don't work with rust-analyzer (#2407)
• Support targets that do not have atomic CAS on stable Rust (#2400)
• futures-test: Add async #[test] function attribute (#2409)
• Add stream::abortable (#2410)
• Add FuturesUnordered::clear (#2415)
• Implement IntoIterator for FuturesUnordered (#2423)
• Implement Send and Sync for FuturesUnordered iterators (#2416)
• Make FuturesUnordered::iter_pin_ref public (#2423)
• Add SelectAll::clear (#2430)
• Add SelectAll::{iter, iter_mut} (#2428)
• Implement IntoIterator for SelectAll (#2428)
• Implement Clone for WeakShared (#2396)