Announcing rustup 1.29.1

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The rustup team is happy to announce the release of rustup version 1.29.1.

Rustup is the recommended tool to install Rust, a

programming language that empowers everyone to build reliable and efficient

software.

What's new in rustup 1.29.1

The headlines of this release are:

-

Concurrency in certain rustup operations has been improved:

- When running rustup update, rustup will first check for possible updates in parallel. pr#4752

- When running rustup component add with multiple components, they will be installed concurrently. pr#4790

-

Implicit installation of the active toolchain in rustup-init and rustup invocations has

been deprecated where deemed unnecessary and will now produce a warning. pr#4840

- Please see our

blog post

for more details regarding this change.

-

rustup doc now supports the --serve flag which allows serving the docs over local HTTP.

This should help users with containerized browser and/or rustup setups. pr#4986

-

Installing i686-pc-windows-* host toolchains on 64-bit Windows now requires --force-non-host.

pr#4935

-

rustup-init will no longer leave unexpected files on disk after cancelled installations. pr#4996

-

A bug has been fixed which might cause Windows installation to fail when using rustup-init.sh.

pr#4756

-

"Target triple" has been renamed to "target tuple" across the project to reflect the

new terminology.

pr#4743 pr#4827 pr#4834

- Please note that this is not a breaking change in the CLI since the existing

options such as --target are not using this terminology.

In addition, rustup now officially supports aarch64-pc-windows-gnullvm as a host platform. pr#4523

Further details are available in the changelog!

How to update

If you have a previous version of rustup installed, getting the new one is as easy as stopping

any programs which may be using rustup (e.g. closing your IDE) and running:

$ rustup self update

Rustup will also automatically update itself at the end of a normal toolchain update:

$ rustup update

If you don't have it already, you can get rustup from the appropriate page on our website.

Rustup's documentation is also available in the rustup book.

Caveats

Rustup releases can come with problems not caused by rustup itself but just due to having a new release.

In particular, anti-malware scanners might block rustup or stop it from creating or copying

files, especially when installing rust-docs which contains many small files.

Issues like this should be automatically resolved in a few weeks when the anti-malware scanners are updated

to be aware of the new rustup release.

Thanks

Thanks again to all the contributors who made this rustup release possible!

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