v1.6.6

What's Changed

• Update cryptography requirement from <50.0.0,>=49.0.0 to >=49.0.0,<51.0.0 by @dependabot[bot] in #326
• Revert "Update cryptography requirement from <50.0.0,>=49.0.0 to >=49.0.0,<51.0.0" by @sabuhish in #327
• fix: bump cryptography to resolve GHSA-g6cj-pr64-35w5 by @faverl in #324
• docs: fix broken contributor setup instructions in CONTRIBUTING.md by @tungyhardDevOps in #321
• Improve Redis connection handling — flexible auth + proper host override + modern close by @simonvanlierde in #283
• Added claude-pr-review by @sabuhish in #328
• fix(msg): RFC 2047 encode non-ASCII names in address headers by @lukas-r in #317
• chore: cleanup repo — remove stale files, update CI, fix _format_addr… by @sabuhish in #329

New Contributors

• @tungyhardDevOps made their first contribution in #321
• @lukas-r made their first contribution in #317

Full Changelog: 1.6.5...v1.6.6