# Rust 1.91.1 pre-release testing

**URL:** https://internals.rust-lang.org/t/rust-1-91-1-pre-release-testing/23692
**Category:** announcements
**Created:** [November 7, 2025, 3:16pm UTC](https://internals.rust-lang.org/t/rust-1-91-1-pre-release-testing/23692 "2025-11-07T15:16:24Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/system/32/14092_2.png) [@system](https://internals.rust-lang.org/u/system)
#### Post date: [November 7, 2025, 3:16pm UTC](https://internals.rust-lang.org/t/rust-1-91-1-pre-release-testing/23692/1 "2025-11-07T15:16:24Z")

</div>

The 1.91.1 pre-release is ready for testing. The release is scheduled for November 10. [Release notes can be found here.](https://dev-doc.rust-lang.org/1.91.1/releases.html)

You can try it out locally by running:

```plaintext
RUSTUP_DIST_SERVER=https://dev-static.rust-lang.org rustup update stable

```

The index is [https://dev-static.rust-lang.org/dist/2025-11-07/index.html](https://dev-static.rust-lang.org/dist/2025-11-07/index.html).

The release team is also thinking about changes to our pre-release process: we'd love your feedback [on this GitHub issue](https://github.com/rust-lang/release-team/issues/16).