2. We offer incremental upgrade i.e for example 1.1 to 1.2 but not from previous versions to 1.2 as vendor provides upgrade zip for upgrading incremental versions. change minimum required version in <min_require> tag in info.xml and make relevant changes in upgrade.php in every update. Download upgrade package from here https://www.flatpress.org/download
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
