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Upgrading notes for MailWizz 2.x to MailWizz 3.x
When upgrading from MailWizz 2.x to MailWizz 3.x there are a few things you need to do before starting the upgrade process.
#1. It is very important you backup your application, be it on your own or by using the Backup Manager.
#2. Verify your PHP version meets the minimum requirements for MailWizz 3.0, that is PHP >= 8.2.
#3. Verify the CHANGELOG that comes with MailWizz 3.0, make sure you acknowledge what changed and how.
#4. You need to disable all the extensions and themes you have added to the application.
Please note that we're not talking about core application extensions but extensions you have bought or developed and added into the application.
You can do this from Backend > Extend > Extensions and Backend > Extend > Themes.
If you get any issue which hasn't been covered in this article, please create a support ticket and explain in details the problem and we'll do our best to help.