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README.md 2026-05-21 1.2 kB
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The MongoDB Rust driver team is pleased to announce the v3.7.0 release of the mongodb crate, now available for download from crates.io.

Highlighted Changes

MSRV Increase

This release updates the minimum supported rust compiler version to 1.88.

Hickory Dependency Version Increase

Due to a security advisory, the version of hickory used internally has been updated to 0.26. This should have no user-visible behavior impact.

Client::shutdown improvements

The implementation of shutdown's wait for server resource cleanup and background task termination has been improved to be more consistent and cover more cases.

Full Release Notes

Impactful changes are listed below; for a complete list of changes see this GitHub query.

Improvements

  • RUST-2418 bump to use hickory-* 0.26 (#1682) (thanks @aviramha!)
  • RUST-2342 bump MSRV to 1.88 (#1693)
  • RUST-2014 Refactor Client::shutdown to use tokio utilities (#1692)
  • Update zstd version to 0.13.3 (#1684) (thanks @richarddd!)
  • RUST-2398 bump max wire version to 29 (#1680)
Source: README.md, updated 2026-05-21