The text can be changed via the Polyglot app. In this block is used the "_bx_acl_txt_upgrade" lang key. About the visibility - you may change the availability of this block for the certain levels via the Pages app.
So far one of the aspects I appreciate most about Una is the wide array of capabilities and customization. For me it is super cool to find a platform that gives me the ability to both create operational systems for my teams and a variety of valuable service/product offerings for my members, all in a logical fashion out of the box without the need to do extensive coding.
I love your recommendations and agree strongly especially with #2, which is why I am loving Una 😀
Una is building the future of tech turning the hard easier NOT easy just easier lol
anyways una can build any website its saleable up and down they brand there self as social networking software there more than that social solutions and with market freelance devs more and more is yet to come to una joining early is in best interest for everyone that's my opinion on the software Looks After You So You Can Look After Buisness aBit Better.
But with tech comes problems and if you find problems always best to share it here.