2.18.4

What's Changed

• fix: preserve recovery bad password during login by @subzeroid in #2726
• fix: accept signup age eligibility register flag by @subzeroid in #2727
• build: bump ruff from 0.15.20 to 0.15.21 by @dependabot[bot] in #2724
• build: bump setuptools from 82.0.1 to 83.0.0 by @dependabot[bot] in #2721

Full Changelog: 2.18.3...2.18.4