Recently I got many request in form of comments on my logo/topbar fix deviations saying "could you add X", "can you make the plugin for Y", etc, so I'm wrapping up the topic in this journal.
1) For the moment I do not plan to add support for browsers that support different extension types than Chromium's CRX and Firefox's XPI. It means, I do not plan for now on doing this kind of plugin for Safari, Internet Explorer, Maxthon, their derivatives, and a great list of less-known browsers (CRX extensions should install just fine manually on Opera). That's because every browser has it's own way of making extensions, so trying to make them for any browsers is too tedious, and I don't really have time for this right now, so you'll have to wait for it. On top of that, it also supposes costs for me to publish extension on browser's official webstores, and I'm just a poor student from Poland
2) I'll try to enchance the compatibility with older Firefox builds, to make the extension compatible with derivatives based on older FF versions like PaleMoon etc, although I do not endorse using software based on outdated code, because it runs the risk of many exploits!
BUT if the use of older methods of writing the extension would threaten the compatibility with current versions of Firefox, I'll obviously give up on them, as I do not want to gain compatibility with some less common browsers in expense of newest, widely spread ones.
3) The plugin WON'T BE updated in a while. Yes, I will upgrade it eventually with even more features, but for now I do not have time for this. I have too many things ongoig, like deadlines and my college in which I have to focus now. I'm not abandoning the project. Just give me a little break to enhance it.
4) Since next release I plan on unificating the current two versions of plugin. Yea, making two different extensions to do barely the same thing was not a very brilliant idea. That's why since the next release the add-on will be unified, giving user the option to turn on and off desired features like logo/favicon change, topbar colors tweak etc.