1. PHP REQUIREMENT LINK : https://docs.bludit.com/en/getting-started/requirements
2. We have disabled upgrade from 1.x to 2.x and 2.x to 3.x , since upgrade requires root directory permissions , for migrate tool to run.(Check and enable upgrade for 3.x to 3.x and change minimum requirement in info.xml accordingly).
3. We have added .htaccess to our package, since it is required while upgrade.(since version 2.3)
4. Upgrade enabled with minimum version 3.0.0(since version 3.2).