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Home > Rustacean Station > What's New in Rust 1.85 through 1.87


	Podcast:		Rustacean Station
	Episode:		What's New in Rust 1.85 through 1.87
	Category:		Technology
	Duration:		01:14:02
	Publish Date:		2026-01-22 16:55:10
	Description:		Jon and Ben discuss the highlights of the 1.85 through 1.88 releases of Rust. Contributing to Rustacean Station Rustacean Station is a community project; get in touch with us if you’d like to suggest an idea for an episode or offer your services as a host or audio editor! Twitter: @rustaceanfm Discord: Rustacean Station Github: @rustacean-station Email: hello@rustacean-station.org 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 required for soundness [@39:48] - Make `missing_abi` lint warn by default [@40:55] - Target deprecation warning for 1.87.0 [@42:25] - Stabilized APIs [@42:25] - `{float}::next_up` [@44:55] - `Vec::pop_if` [@46:41] - Changelog deep-dive [@46:41] - Changing `-O` to `opt-level=3` [@47:47] - Optimized rustc binaries for aarch64 [@49:04] - Deprecate `cargo --token` [@49:43] - No more “did you mean” in Cargo [@50:14] - Sans-serif in rustdoc [@50:45] - Rust 1.87 [@51:27] - Anonymous pipes [@53:06] - Safe architecture intrinsics Update the standard library to Rust 2024 [@55:00] - `asm!` jumps to Rust code [@57:06] - Precise capturing in `impl Trait` in trait definitions The `Captures` “trick” Talk on `impl Trait` [@58:45] - Stabilized APIs [@58:45] - `Vec::extract_if` [@1:00:13] - `<[T]>::split_off` [@1:01:47] - `OsStr::display` [@1:03:40] - `::cast_signed` [@1:04:41] - `::is_multiple_of` [@1:05:31] - `::unbounded_shl` [@1:06:20] - `TryFrom> for String` [@1:06:46] - `Box>::write` [@1:08:23] - `String::extend_from_within` [@1:07:46] - Changelog deep-dive [@1:07:46] - Actually un-deprecate `home_dir` [@1:10:41] - Cargo SBOM support (RFC 3553) [@1:11:48] - More Cargo ANSI sequences Credits Intro Theme: Aerocity Audio Editing: synchis Hosting Infrastructure: Jon Gjengset Show Notes: Jon Gjengset Hosts: Jon Gjengset and Ben Striegel
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