1. Keep the .htaccess changes as it is required for sundirectory installation to redirect to ppublic directory.

2. We have not added upgrade in 3.0.0 because there is huge changes in directory structure and its upgrade notes are not properly given. Try to add in next version.

3. Download long name zip for manual installation. (Confirmed with vendor via github issues since version 3.1.0)

4. PHP REQUIREMENT LINK : https://github.com/jekkos/opensourcepos#server-requirements

5. Please take sql dump after running migrations in manual installation.

6. Upgrade notes are given here https://github.com/opensourcepos/opensourcepos/blob/master/UPGRADE.md