This release brings support for new AWS regions and OpenTofu extensions, improvements to Docker performance, and several important bug fixes. Special thanks to new contributors @shikharawasthi and @karamaru-alpha! 👏

✨ New Features

• Added support for new AWS regions: ap-east-2, ap-southeast-6, ap-southeast-7, and mx-central-1 by @aliscott in https://github.com/infracost/infracost/pull/3446 and https://github.com/infracost/infracost/pull/3459.
• Added support for OpenTofu extensions by @liamg in https://github.com/infracost/infracost/pull/3474.

🐛 Fixes

• Fixed AWS EC2 bare metal instance cost calculations by @shikharawasthi in https://github.com/infracost/infracost/pull/3471.
• Fixed Azure Cognitive Account lookups by @aliscott in https://github.com/infracost/infracost/pull/3444.
• Fixed nil pointer issues in Azure VM Scale Sets and diff output by @aliscott and @liamg.
• Prevented panics during truncation and improved GitHub comment handling by @tim775.
• Ensured PastBreakdown is non-nil in outputs by @bazaah in https://github.com/infracost/infracost/pull/3426.

🚀 Performance

• Optimized Docker images by reducing layers, removing unused files, and shrinking cache usage by @karamaru-alpha in https://github.com/infracost/infracost/pull/3479, https://github.com/infracost/infracost/pull/3480, https://github.com/infracost/infracost/pull/3481, https://github.com/infracost/infracost/pull/3485

🧰 Maintenance

• Upgraded Go to v1.25.4 for latest security patches by @aliscott in https://github.com/infracost/infracost/pull/3482.
• Updated internal dependencies (go-getter, golang.org/x/*, etc.).

Full Changelog: https://github.com/infracost/infracost/compare/v0.10.42...v0.10.43