(posts): Add Rustup 1.25.0 release announcement post

posts/2022-07-11-Rustup-1.25.0.md

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+---
+layout: post
+title: "Announcing Rustup 1.25.0"
+author: The Rustup Working Group
+---
+
+The rustup working group is happy to announce the release of rustup version 1.25.0. [Rustup][install] is the recommended tool to install [Rust][rust], a programming language that is empowering everyone to build reliable and efficient software.
+
+If you have a previous version of rustup installed, getting rustup 1.25.0 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][install] from the appropriate page on our website.
+
+[rust]: https://www.rust-lang.org
+[install]: https://rustup.rs
+
+## What's new in rustup 1.25.0
+
+This version of Rustup involves a significant number of internal cleanups, both in terms
+of the Rustup code and its documentation. In addition to a lot of work on the codebase
+itself, due to the length of time since the last release this one has a record number
+of contributors and we thank you all for your efforts and time.
+
+One of the biggest changes in 1.25.0 is the new offer on Windows installs to auto-install
+the Visual Studio 2022 compilers which should simplify the process of getting started for
+people not used to developing on Windows with the MSVC-compatible toolchains.
+
+A second important change for 1.25.0 is a number of PRs focussed around startup performance
+for Rustup. While it may not seem all that important to many, Rustup's startup time is
+a factor in the time it takes to do builds which involve large numbers of crates on systems
+which do not have large numbers of CPU cores. Hopefully the people for whom this is a common
+activity will notice an improvement; though there's more opportunity to speed things up still available.
+
+Some, but by no means all, of the rest of this release's highlights includes support for
+`rustup default none` to unset the default toolchain, support for Windows arm64, inclusion
+of `rust-gdbgui` as a proxy so that platforms which support it can use GDB's gui mode with Rust,
+and some improvements to `rustup-init.sh`.
+
+Full details are available in the [changelog]!
+
+Rustup's documentation is also available in [the rustup book][book].
+
+[changelog]: https://github.com/rust-lang/rustup/blob/stable/CHANGELOG.md
+[book]: https://rust-lang.github.io/rustup/
+
+## Thanks
+
+Thanks again to all the contributors who made rustup 1.25.0 possible!
+
+- 二手掉包工程师 (hi-rustin)
+- Brian Bowman (Seeker14491)
+- Jon Gjengset (jonho)
+- pierwill
+- Daniel Silverstone (kinnison)
+- Robert Collins (rbtcollins)
+- Alan Somers (asomers)
+- Brennan Vincent (umanwizard)
+- Joshua Nelson (jyn514)
+- Eric Huss (ehuss)
+- Will Bush (willbush)
+- Thad Guidry (thadguidry)
+- Alexander Lovchin (alovchin91)
+- zoodirector
+- Takayuki Nakata (giraffate)
+- Yusuke Abe (chansuke)
+- Wyatt Carss (wcarss)
+- Sondre Aasemoen (sondr3)
+- facklambda
+- Chad Dougherty (crd477)
+- Noritada Kobayashi (noritada)
+- Milan (mdaverde)
+- Pat Sier (pjsier)
+- Matt Keeter (mkeeter)
+- Alex Macleod (alexendoo)
+- Sathwik Matsa (sathwikmatsa)
+- Kushal Das (kushaldas)
+- Justus Winter (teythoon)
+- k900
+- Nicolas Ambram (nico-abram)
+- Connor Slade (basicprogrammer10)
+- Yerkebulan Tulibergenov (yerke)
+- Caleb Cartwright (calebcartwright)
+- Matthias Beyer (matthiasbeyer)
+- spacemaniac
+- Alex Touchet (atouchet)
+- Guillaume Gomez (guillaumegomez)
+- Chris Denton (chrisdenton)
+- Thomas Orozco (krallin)
+- cui fliter (cuishuang)
+- Martin Nordholts (enselic)
+- Emil Gardström (emilgardis)
+- Arlo Siemsen (arlosi)