What's New in Rust 1.88 through 1.90

Jon and Ben discuss the highlights of the 1.88 through 1.90 releases of Rust.

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Timestamps & referenced resources

[@00:26] - Rust 1.88

• [@00:26] - Let chains
  • The if let temporary scope
• [@09:09] - Naked functions
• [@11:55] - Boolean configuration
• [@14:15] - Cargo automatic cache cleaning
• [@17:52] - Stabilized APIs
  • [@17:52] - hint::select_unpredictable
  • [@21:16] - <[T]>::as_chunks
  • [@22:25] - Default for *const T
  • [@23:13] - HashMap::extract_if
  • [@23:43] - More metadata from Span
• [@24:48] - Changelog deep-dive
  • [@24:48] - De-stabilize #[bench]
  • [@26:55] - --no-capture

[@28:31] - Rust 1.89

• [@28:40] - Explicitly inferred arguments to const generics
• [@30:14] - Mismatched lifetime syntaxes lint
• [@35:29] - More x86 target features
• [@36:33] - Cross-compiled doctests
• [@38:31] - i128 and u128 in extern "C" functions
• [@40:38] - Demoting x86_64-apple-darwin to Tier 2
  • Platform support policy
• [@42:18] - Standards Compliant C ABI on wasm32-unknown-unknown
  • More about the ABI changes
• [@46:05] - Stabilized APIs
  • [@46:05] - File::lock
• [@48:34] - Changelog deep-dive
  • [@48:40] - aarch64 frame pointers
    • Why do frame pointers matter?
  • [@49:59] - Allow storing format_args! in variable
    • Behind the scenes of format_args!
  • [@51:38] - rustdoc sidebar on mobile

[@52:14] - Rust 1.90

• [@52:14] - LLD is now the default linker on x86_64-unknown-linux-gnu
  • PR with lots of linked resources
  • rustc performance diff with lld
• [@1:01:26] - Cargo adds native support for workspace publishing
• [@1:03:03] - Stabilized APIs
  • [@1:03:26] - u{n}::saturating_sub_signed
• [@1:04:20] - Changelog deep-dive
  • [@1:04:20] - home_dir fall back if HOME is set but empty

Credits

Intro Theme: Aerocity

Audio Editing: synchis

Hosting Infrastructure: Jon Gjengset

Show Notes: Jon Gjengset

Hosts: Jon Gjengset and Ben Striegel