Sourced from diesel-async's releases.

Diesel-Async 0.9.2

Fixed

• Improve the check if a connection is still working in our connection pool implementation by actually loading the response
• Improve mapping of SQL error states to diesel database error kinds for PostgreSQL 18 and newer

New Contributors

• @​ajesipow made their first contribution in diesel-rs/diesel_async#293
• @​DhineshKrishnan1206 made their first contribution in diesel-rs/diesel_async#294

Full Changelog: diesel-rs/diesel_async@v0.9.1...v0.9.2

You can support the development of Diesel by:

• Contributing Code, Documentation or Guides. Checkout the planing for Diesel 2.4 for open tasks.
• Providing knowledge and help to maintain the MySQL/MariaDB backend. This is currently the only in-tree backend that is not used by any maintainers, so having someone around that actually uses this backend would be very helpful for the Diesel project.
• Answering questions in our discussion forum
• Reporting bugs in our issue tracker
• Helping triaging issues in our issue tracker
• Sponsoring the maintainers.

Diesel-Async 0.9.1

Fixed

• Correctly check if a connection is a broken state (e.g. has an open transaction) for the mobc pool implementation

Full Changelog: diesel-rs/diesel_async@v0.9.1...v0.9.1

You can support the development of Diesel by:

• Contributing Code, Documentation or Guides. Checkout the planing for Diesel 2.4 for open tasks.
• Providing knowledge and help to maintain the MySQL/MariaDB backend. This is currently the only in-tree backend that is not used by any maintainers, so having someone around that actually uses this backend would be very helpful for the Diesel project.
• Answering questions in our discussion forum
• Reporting bugs in our issue tracker
• Helping triaging issues in our issue tracker
• Sponsoring the maintainers.

Sourced from diesel-async's changelog.

[0.9.2] - 2026-06-19

• Improve the check if a connection is still working in our connection pool implementation by actually loading the response
• Improve mapping of SQL error states to diesel database error kinds for PostgreSQL 18 and newer

[0.9.1] - 2026-06-05

• Correctly check if a connection is a broken state (e.g. has an open transaction) for the mobc pool implementation

• d2f1886 Prepare a 0.9.2 release
• 39987dc Merge pull request #294 from DhineshKrishnan1206/fix/pool-ping-read-response
• 66a6877 Use get_result instead of execute for pool connection ping
• f839111 Merge pull request #293 from ajesipow/map-more-pg-errors
• 1496154 Include more CI robustness fixes from diesel
• bd5f55a Fix sqlite windows job
• e4a2a6c Fix PG install in CI
• 38914a8 Fmt
• 407e2a4 Adapt CI to run tests against postgres 17 and postgres 18
• ae45068 Add tests for postgres error conversions
• Additional commits viewable in compare view

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