What's New in Rust 1.85 through 1.87

Jon and Ben discuss the highlights of the 1.85 through 1.88 releases of Rust.

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Timestamps & referenced resources

[@01:11] - Rust 1.85

• [@02:05] - async closures
  • RFC 3668
  • Stabilization report
• [@07:45] - Hiding trait implementations from diagnostics
• [@09:43] - FromIterator and Extend for tuples
• [@12:10] - Updates to std::env::home_dir()
  • Deprecation discussion
  • Deprecation PR
  • Originally abandoned fix
  • Undeprecation
• [@15:19] - Stabilized APIs
  • [@15:30] - number::midpoint
  • [@16:18] - Waker::noop
  • [@17:49] - ptr::fn_addr_eq
• [@20:10] - Changelog deep-dive
  • [@20:10] - De-duplicate and improve definition of c_char
  • [@22:56] - More constification
• [@23:51] - Rust 1.85.1

[@24:46] - Rust 1.86

• [@25:24] - Trait upcasting
• [@30:49] - HashMaps and slices now support indexing multiple elements mutably
• [@33:50] - Allow safe functions to be marked with the #[target_feature] attribute
• [@36:21] - Debug assertions that pointers are non-null when requir