Since FileZilla version 3.63.0, the client respects system themes more effectively. If the built-in theme isn't covering everything, you need to force FileZilla to follow your operating system's dark mode.
The dark theme makes status messages, file transfer progress bars, and queue items pop more clearly compared to the default light theme. Text is easier to scan quickly. filezilla dark theme better
The classic pixelated icons look jarring against a modern dark backdrop. Since FileZilla version 3