1.6.0

Note this version increased the WordPress minimum version to 6.1 and the PHP minimum version to 7.0.

Added

• Mailchimp List Subscribe Form custom block (props @nateconley, @dkotter, @jeffpaul via #35, #38).
• PHP 8.3 compatibility and minimum PHP version of 7.0 (props @nateconley, @jeffpaul, @dkotter via #26).
• WordPress 6.6 compatibility (props @nateconley, @dkotter, @jeffpaul via #27).
• OAuth authentication for connecting a Mailchimp account with WordPress (props @iamdharmesh, @dkotter, @jeffpaul via #47, #48, #50, #52).
• New user signup flow, allowing users to sign up for a Mailchimp account from within the plugin (props @iamdharmesh, @dkotter, @jeffpaul via #51).
• Created a LICENSE.md file and sets the license in the plugin to GPL-2.0-or-later (props @jeffpaul, @dkotter via #14).
• Plugin icon and banner assets (props @eddieshrake, @jeffpaul, @dkotter via #28).

Changed

• Bump WordPress "tested up to" version 6.6 (props @qasumitbagthariya, @vikrampm1, @jeffpaul via #43).
• Ensure the signup form is only visible when a list is selected in the settings (props @iamdharmesh, @dkotter, @qasumitbagthariya via #54).
• Moved settings page and link to top-level WP Admin menu item (props @nateconley, @dkotter, @jeffpaul via #29, #33).
• Admin styles to match updated Mailchimp brand guidelines (props @nateconley, @dkotter, @jeffpaul, @eddieshrake via #31).
• Replaced references of MailChimp to Mailchimp except where those references are explicitly functional code (to limit the additional class/function updates needed) (props @jeffpaul, @dkotter via #14).
• Updated readme.txt and mailchimp.php header values to the WP.org standards (props @jeffpaul, @dkotter via #14).
• Moved screenshots into a new .wordpress-org directory (props @jeffpaul, @dkotter via #14).
• Moved translations to GlotPress (props @nateconley, @dkotter, @jeffpaul via #39).

Deprecated

• Function mailchimpSF_signup_form deprecated in favor of mailchimp_sf_signup_form (props @nateconley, @dkotter via #24).
• jQuery scrollTo (props @nateconley, @dkotter, @jeffpaul via #27).

Removed

• Support for WordPress < 6.1.1 (props @nateconley, @dkotter, @jeffpaul via #27).
• Polyfills for WordPress < 2.8.0 (props @nateconley, @dkotter, @jeffpaul via #27).
• Monkey Rewards integration (props @nateconley, @dkotter, @jeffpaul via #30).
• IE-specific admin stylesheet (props @nateconley, @dkotter, @jeffpaul, @eddieshrake via #31).

Fixed

• Formatting from linting checks (props @nateconley, @dkotter via #23).
• Datepicker display on frontend (props @nateconley, @dkotter, @jeffpaul via #25).
• Accessibility for admin settings page (props @nateconley, @dkotter, @jeffpaul, @eddieshrake via #31).
• Properly handle the scenario where a non-valid list is updated (props @dkotter, @qasumitbagthariya, @nateconley, @vikrampm1 via #40).
• Ensure the custom block and shortcode both have consistent spacing (props @dkotter, @qasumitbagthariya, @nateconley, @vikrampm1 via #41).
• Address some PHP warnings when a form submission happens (props @iamdharmesh, @dkotter, @qasumitbagthariya via #54).

Developer

• Created a README.md file from the readme.txt content (props @jeffpaul, @dkotter via #14, #22).
• Created CODE_OF_CONDUCT.md, CONTRIBUTING.md, SECURITY.md, Issue and PR templates, Dependabot config file, and composer.json and package.json base files (props @jeffpaul, @dkotter via #15).
• Added WordPress Version Checker and Build Release Zip GitHub Action Workflows (props @dkotter, @jeffpaul via #16).
• Added Cypress E2E framework, associated GitHub Action Workflow, and E2E tests (props @dkotter, @jeffpaul, @iamdharmesh via #17, #48).
• Added PHP Compatibility GitHub Action Workflow (props @dkotter, @jeffpaul via #18).
• Added PHPCS Linting GitHub Action Workflow (props @dkotter, @jeffpaul via #19).
• Added ESLint GitHub Action Workflow (props @dkotter, @jeffpaul via #20).
• Added Standard GitHub Action Workflows (props @dkotter, @jeffpaul via #21).

New Contributors

• @jeffpaul made their first contribution in #14
• @dkotter made their first contribution in #16
• @nateconley made their first contribution in #23
• @iamdharmesh made their first contribution in #48

Full Changelog: https://github.com/mailchimp/wordpress/commits/1.6.0.
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