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Rust Releases

Q: How often does Rust release new versions?

Rust follows a six-week release cycle. A new stable version ships every six weeks, with a beta and nightly channel for pre-release testing.

Q: What are Rust editions?

Rust editions (2015, 2018, 2021, 2024) are opt-in language milestones that can include breaking changes. Your crate specifies its edition in Cargo.toml. All editions can interoperate, so libraries on different editions work together.

Q: How long is a Rust version supported?

Only the latest stable version is supported. When a new version ships (every 6 weeks), the previous one is effectively EOL. This is safe because Rust has strong backward compatibility guarantees.

Q: What is Minimum Supported Rust Version (MSRV)?

MSRV is the oldest Rust compiler version a crate promises to compile on. Libraries often set MSRV to allow users on slightly older compilers. Check a crate's Cargo.toml for its rust-version field.

Track every Rust release. Version timelines, edition changes, and upgrade guidance for Rust developers.

Official Site Documentation

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Total Versions

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Supported

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Latest

Version Timeline

All tracked releases with lifecycle status and EOL dates.

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Lifecycle Timeline

Visual overview of active support and maintenance windows.

1.88

1.89

1.90

1.91

1.92

1.93

2024 2025 2026 2027

Active

Active / LTS

Maintenance

Today

Upgrade Paths

Migration guidance between major versions — breaking changes, effort estimates, and tips.

Edition 2021 Edition 2024 Medium Difficulty

Est. 1-4 hours

Breaking Changes

unsafe_op_in_unsafe_fn now a hard error
Changes to temporary lifetime rules
RPIT lifetime capture rules updated
gen keyword reserved
Additions to prelude (Future, IntoFuture)

Migration Notes

Run cargo fix --edition to auto-migrate most changes. The unsafe_op_in_unsafe_fn lint is the biggest behavioral shift. Test thoroughly after migration. Edition changes are opt-in per crate.

1.80-1.85 1.93 (latest) Low Difficulty

Est. 15-30 minutes

Breaking Changes

New lints may trigger warnings
cargo-semver-checks improvements
Minor stdlib behavioral refinements

Migration Notes

Rust point releases are almost always backward compatible. Update rust-toolchain.toml or run rustup update. Fix any new lint warnings. The 6-week cycle means small incremental changes.

Version Risk Assessment

Evaluate risk factors before choosing a version for production.

Version	EOL Risk	CVE Risk	Ecosystem	Cloud Support	Overall	Recommended Action
Rust < 1.90	High	Medium	Outdated	N/A	High	Unsupported. Update to latest stable.
Rust 1.91-1.92	Medium	Low	Recent	N/A	Medium	Recently superseded. Update soon.
Rust 1.93	None	Low	Active	N/A	Low	Latest stable. Recommended.

Rust only supports the latest stable release. Older versions get no patches. However, Rust's strong backward compatibility means upgrading is typically trivial. The main risk of staying old is missing security patches in the standard library and compiler.

Rust Edition Comparison

Side-by-side feature differences across major versions.

Feature	Edition 2015	Edition 2018	Edition 2021	Edition 2024
async/await	No	New	Stable	Stable
Module path changes	Old	New	Stable	Stable
Disjoint capture in closures	No	No	New	Stable
Default cargo resolver v2	No	No	New	Stable
IntoFuture in prelude	No	No	No	New
unsafe_op_in_unsafe_fn	Allow	Allow	Warn	Error
gen keyword reserved	No	No	No	Yes
RPIT lifetime captures	Old	Old	Old	New rules
Minimum Rust version	1.0	1.31	1.56	1.85

Embed Badges

Add live Rust status badges to your README, docs, or dashboard.

Health Status

Overall support health

![Rust Health Status](https://img.releaserun.com/badge/health/rust.svg)

EOL Countdown

Next end-of-life date

![Rust EOL Countdown](https://img.releaserun.com/badge/eol/rust.svg)

Latest Version

Current stable release

![Rust Latest Version](https://img.releaserun.com/badge/v/rust.svg)

CVE Status

Known vulnerabilities

![Rust CVE Status](https://img.releaserun.com/badge/cve/rust.svg)

Frequently Asked Questions

Common questions about Rust releases and lifecycle.

How often does Rust release new versions?

Rust follows a six-week release cycle. A new stable version ships every six weeks, with a beta and nightly channel for pre-release testing.

What are Rust editions?

Rust editions (2015, 2018, 2021, 2024) are opt-in language milestones that can include breaking changes. Your crate specifies its edition in Cargo.toml. All editions can interoperate, so libraries on different editions work together.

How long is a Rust version supported?

Only the latest stable version is supported. When a new version ships (every 6 weeks), the previous one is effectively EOL. This is safe because Rust has strong backward compatibility guarantees.

What is Minimum Supported Rust Version (MSRV)?

MSRV is the oldest Rust compiler version a crate promises to compile on. Libraries often set MSRV to allow users on slightly older compilers. Check a crate's Cargo.toml for its rust-version field.

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Dep EOL Scanner

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Release Index

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