You release the latest version of your plugin but if someone downloads this and another module like the favs it won't work, this is because Favs for instance does not support this version. For favs you need the older version of Scriptegrator. Which is horrible since you no longer allow people to download this older version on your site. So in short until you feel like letting everyone download the older version or you update Favs, it won't work. This is horrible business.
If you need the older version of Scriptegrator plugin (1.4.3), there is nothing too heavy to write to us an e-mail.