Regression Testing for 1.6.0

[vikrampm1]

Perform a full regression testing on the following items (1.6.0 milestone) after all are merged into the develop branch. If there are any issues found, please add them as individual comments below for tracking.

• Add theme compatibility #2
• Update plugin assets #4
• Refresh readme & main PHP file #5
• Update / replace translation files #10
• Update Mailchimp brand treatments #6
• Move plugin menu item to top-level in WP admin #8
• Remove deprecated features no longer supported by Mailchimp #7
• Add WordPress 6.5 compatibility #1
• Add PHP 8 compatibility #3
• Add GitHub Actions #11
• Add and resolve errors from linting actions #12
• Add GitHub community standards files (and others expected by plugins on GitHub) #13
• Update/dotorg standards #14
• Add WP Version Checker and Build Release Zip workflows #16
• Add Cypress E2E testing framework #17
• Add the PHP Compat GitHub Action Workflow #18
• Add the PHPCS linting GitHub Action Workflow #19
• Add the eslint GitHub Action Workflow #20
• fix main heading, add action badges #22
• Adds basic formatting #23
• Resolves phpcs errors #24
• Add/assets #28
• Ensure the Settings link on the plugin list screen goes to the new top-level settings menu #32

[qasumitbagthariya]

QA Update ❌

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Issue 1: When attempting to update a list without selecting an updated item from the dropdown menu, a fatal error occurs upon clicking the "Update List" button.

Fatal_error.mov

[28-Jun-2024 11:40:20 UTC] PHP Fatal error:  Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-content/plugins/mailchimp/mailchimp.php:695
Stack trace:
#0 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-content/plugins/mailchimp/views/setup_page.php(24): mailchimp_sf_change_list_if_necessary()
#1 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-content/plugins/mailchimp/mailchimp.php(792): require_once('/Users/sumitbag...')
#2 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-includes/class-wp-hook.php(324): mailchimp_sf_setup_page('')
#3 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#4 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#5 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-admin/admin.php(259): do_action('toplevel_page_m...')
#6 /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-admin/options-general.php(10): require_once('/Users/sumitbag...')
#7 {main}
  thrown in /Users/sumitbagthariya/Local Sites/mailchimp/app/public/wp-content/plugins/mailchimp/mailchimp.php on line 695

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Suggestion
There is inconsistent spacing between Header and Sub-Header, In the shortcode and the Mailchimp widget.

Shortcode

Widget

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