V9.0.0

What's New

Features

• evaluateWithReason function - Returns the minimal expression that led to the result (#48)
• Records support - Added support for record types (#43, #44)
• exists operator - New operator to check for property existence (#42)
• Node.js 24 support - Added support for Node.js ^24 (#39)

Improvements

• Modernized testing & linting infrastructure - migrated to Vitest and ESLint flat config (#49)
• Improved code quality (#40)

Breaking Changes

• Requires Node.js ^20, ^22, or ^24