v2.0.0 Release Candidate

[fiammybe]

What's Changed

• fix:the $icmsModule mentioned here was a local variable and should no… by @fiammybe in fix:the $icmsModule mentioned here was a local variable and should no… #1598
• Fix:Fix the CKEditor Image Manager that couldn't find WideImage by @fiammybe in Fix:Fix the CKEditor Image Manager that couldn't find WideImage #1601
• fix:make addslashes parameter nullable by @fiammybe in fix:make addslashes parameter nullable #1600
• Upgrade PHPMailer to PHPMailer 6.9.3 by @fiammybe in Upgrade PHPMailer to PHPMailer 6.9.3 #1596
• Ckeditor custom config by @skenow in Ckeditor custom config #1605
• fix: Improve Database compatibility with PHP 7.4 by @fiammybe in fix: Improve Database compatibility with PHP 7.4 #1597
• fix:add array declarations to installer by @fiammybe in fix:add array declarations to installer  #1604
• Fix: Add missing css to admin css by @fiammybe in Fix: Add missing css to admin css #1602
• Choosing the rulesets for PHPMD in codeclimate see Finetune codeclimate tests #1607 by @skenow in Choosing the rulesets for PHPMD in codeclimate see #1607 #1608
• Prepare 2.0.0 rc by @fiammybe in Prepare 2.0.0 rc #1606

Full Changelog: v2.0.0_beta_3...v2.0.0_rc

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This discussion was created from the release v2.0.0 Release Candidate.