v4.1

• Added support for API v2.5
• Added support for classification override rules
• Added support for AI-powered suggestions
• Improved documentation

v4.0

• Added support for API v2.4
• Added support for new completion callback options
• Added support for parked mail exchangers detection
• Added support for specifying a custom wait time while submitting and retrieving email verification jobs
• Breaking change: renamed WaitingStrategy into WaitOptions and refactored the latter so that it now allows to adjust the underlying polling wait times
• Breaking change: the default job submission and retrieval behavior is now to wait for the completion of jobs (but it is possible to change that through the new WaitOptions class)
• Improved documentation

v3.2.2

Fixed TypeScript definitions for optional fields (thanks @pierlucg-xs)
Fixed bogus node-fetch dependency in rollup's config

v3.2.1

Fixed form-data dependency, moved debug to devDependencies.

v3.2.0

• Upgraded to use the latest Verifalia API (v2.3)
• Added support for exporting completed verification results as either comma-separated values (CSV) files or Microsoft Excel spreadsheets, see https://verifalia.com/developers#email-validations-job-entries-exporting
• Added support for X.509 client-certificate / mutual authentication, see https://verifalia.com/help/sub-accounts/what-is-x509-tls-client-certificate-authentication
• Added support for specifying a completion callback URL while submitting an email verification, see https://verifalia.com/developers#email-validations-completion-callback
• Improved JSDoc documentation and added new examples
• Added license headers where missing

v3.1.0

Added the underlying fetch / node-fetch Response instance to RestResponse, to support advanced usage scenarios where accessing the original fetched object could be useful (headers, for example).
Deprecated the older status, statusText and body properties of RestResponse, left for backward compatibility only (just use response).

v3.0.3

Minor fix: improved the way options can be specified for file submissions.

v3.0.2

Fixed a minor issue with browser app-key auth.

v3.0.1

Added ESLint support
Improved API endpoints shuffling algorithm
Improved JSDoc documentation
Fixed inclusion of TypeScript definition files
Removed deprecated TSLint support

v3.0

Upgraded to API v2.2
Added support for ES modules in Node
Added support for listing email validation jobs
Added support for submitting files
Added support for promise cancellation
Added build artifacts for ESM, CommonJS, AMD, UMD, System.js, IIFE
Removed dependency on Axios