Input environment for Asian languages with Fcitx5 via Flatpak: Works on Any Distribution

Recently, I purchased a new PC*1 and started setting it up. One of the things I wanted to try this time was switching my Japanese input environment from IBus*2 to Fcitx 5*3.I had heard that Fcitx 5 could be installed from Flatpak regardless of the Linux distribution, and this turned out to be true.…