I'll add my voice to the chronicle of failure that is ver 15+ as well. No menus, no bookmarks, no preferences, forced SpeedDial (of which I'm not a fan), seemingly no provision for changing (or even setting-up) the homepage. If I wanted my computer to be a phone I wouldn't have bought a computer. And to add another insult to the situation, it appears they've moved ver 12 downloads to a server from 1999 (20k/s? Really?). Or maybe there are just so many people downloading the old version that the server is overloaded. Right.
Opera used to be a trend-setter which everyone else tried to copy - now they seem to be taking other people's bad ideas and making them worse. I would (and do) use early ver 12 above any other browser on the market because of customization and efficiency. But the newer versions? FF's bookmarks may be a mess, but at least they work. I honestly don't understand why someone would intentionally take a good, useful piece of software and make it less useful than the products with which they're trying to compete. They even somehow managed to make it worse than Chrome, which is really saying something. So I guess that's that - the end of an era. I'd held out hope that they'd eventually come to their senses and start producing a useable piece of software again but I'm giving up. I'll use 12 until it'll no longer handle whatever horrors are planned for future HTML revisions, but after that it looks like Firefox unless someone else steps in. I guess this is what happens when you grasp desperately for market share at the expense of logic and sanity (and actual users), and it has to stop somewhere.