1. We have Given upgrade from version r180.
2. [NA] Use default dbprefix while manual installation. (Suggested by vendor)
3. Release date : https://www.projectsend.org/change-log/
4. PHP REQUIREMENT LINK: https://github.com/projectsend/projectsend/blob/main/INSTALL.md#installing-projectsend https://www.projectsend.org/how-to-install-projectsend/ and also check /vendor/composer/platform_check.php
5. Upgrade documentation: https://github.com/projectsend/projectsend/blob/main/UPDATE.md
6. We have disabled the upgrade because only CLI upgrade docs are given for 2.0.x to 2.0.y
7. Make database with utf8mb4_unicode_ci collation as mentioned in their INSTALL.md file.
8. Follow instruction menthod mentioned in INSTALL.md file.