A glance at my software downloads page will tell you that it wasn't just Giocoso which had lately developed a problem with accented characters on Manjaro+KDE. In fact, every piece of software I've written which uses the metaflac utility to read FLAC metadata tags suffered from the same problem. Accordingly, all needed to be fixed and all now have been fixed; each utility can therefore be updated whenever you're ready, using the utility name plus the --checkver run-time switch.
In other words, if you wanted to bump AES to its latest version, you'd type aes --checkver. If you needed to upgrade Niente, it would be niente --checkver. And so on. [...]