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Documentation of rustc internals

enhancement

Status: Closed (completed).

#3717 In rust-lang/rustup;

· by Ethiraric was closed on Jan 20, 2026

New exit status for rustup check can feel confusing to interactive users

Status: Closed (completed).

#4681 In rust-lang/rustup;

· by steffahn was closed on Jan 31, 2026

Add common commands section in help text

Status: Merged (completed).

rust-lang/rustupnumber 4651

#4651 In rust-lang/rustup;

· by dingxiangfei2009 was closed on Jan 31, 2026

Implement dark mode for rustup.rs website

Status: Merged (completed).

rust-lang/rustupnumber 4729

#4729 In rust-lang/rustup;

· by Bogay was closed on Feb 28, 2026

Investigate using a community maintained progress bar

enhancement

Status: Closed (completed).

#1835 In rust-lang/rustup;

· by rbtcollins was closed on Jul 29, 2025

rustup install behind a corporate proxy fails with TLS handshake eof

bug

dependenciesThe issue is caused by rustup's dependencies.The issue is caused by rustup's dependencies.

Status: Closed (completed).

#4305 In rust-lang/rustup;

· by muja was closed on Jun 6, 2025

Rustup 1.28.2 uses a different default profile during automatic installation

bug

Status: Closed (completed).

#4337 In rust-lang/rustup;

· by jonasbb was closed on Oct 5, 2025

Give a more helpful error message for rustup which rustfmt if it's not installed

enhancement

Status: Closed (completed).

#3321 In rust-lang/rustup;

· by jyn514 was closed on Aug 9, 2025

Improve tips when installing tier 3 targets such as wasm32-wasip2

enhancement

Status: Closed (completed).

#4006 In rust-lang/rustup;

· by AaronFriel was closed on Jul 14, 2025

Tracking: Migrate to snapshot-based integration testing APIs

enhancement

Status: Closed (completed).

Tracking Issue

#4359 In rust-lang/rustup;

· by rami3l was closed on Jun 9, 2025

Explain the use of snapshot testing APIs

A-docs

enhancement

Status: Closed (completed).

#4358 In rust-lang/rustup;

· by rami3l was closed on Jun 7, 2025

rustup.rs links to defunct rust-lang discord

bug

Status: Closed (completed).

#4458 In rust-lang/rustup;

· by umanwizard was closed on Aug 26, 2025

Binary named rust-analyzer added to cargo bin path even when component is not added

enhancement

Status: Closed (completed).

#3846 In rust-lang/rustup;

· by praveenperera was closed on May 9, 2025

Sanity check for proxies created during the installation phase

E-easy

enhancement

Status: Closed (completed).

#4336 In rust-lang/rustup;

· by rami3l was closed on May 21, 2025

rustup show doesn't correctly report installed targets for custom toolchains

bug

Status: Closed (completed).

#4251 In rust-lang/rustup;

· by rami3l was closed on May 19, 2025

docs(user-guide/environment-variables): update description of RUSTUP_IO_THREADS

Status: Merged (completed).

rust-lang/rustupnumber 4427

#4427 In rust-lang/rustup;

· by rami3l was closed on Jul 24, 2025

Introduce RUSTUP_TERM_WIDTH and RUSTUP_TERM_PROGRESS_WHEN

Status: Merged (completed).

rust-lang/rustupnumber 4406

#4406 In rust-lang/rustup;

· by FranciscoTGouveia was closed on Jul 9, 2025

feat(custom-toolchains): targets and components are now reported for custom toolchains

Status: Merged (completed).

rust-lang/rustupnumber 4347

#4347 In rust-lang/rustup;

· by FranciscoTGouveia was closed on May 28, 2025

Check for updates concurrently

Status: Merged (completed).

rust-lang/rustupnumber 4388

#4388 In rust-lang/rustup;

· by FranciscoTGouveia was closed on Jul 8, 2025

docs(README): update CI status badge

Status: Merged (completed).

rust-lang/rustupnumber 4383

#4383 In rust-lang/rustup;

· by rami3l was closed on Jun 13, 2025

Refactor the DownloadTracker in favor of indicatif

Status: Merged (completed).

rust-lang/rustupnumber 4426

#4426 In rust-lang/rustup;

· by FranciscoTGouveia was closed on Jul 29, 2025

feat(custom-toolchains): rustup show now reporting installed targets

Status: Merged (completed).

rust-lang/rustupnumber 4333

#4333 In rust-lang/rustup;

· by FranciscoTGouveia was closed on May 19, 2025