SUMMARY The default font for Konsole is not monospaced. STEPS TO REPRODUCE 1. Configure Konsole to use the default settings. OBSERVED RESULT The default font for Konsole is not monospaced, and this make it harder to use Konsole. EXPECTED RESULT The default font for Konsole is monospaced. ADDITIONAL INFORMATION Switching to a monospaced font helps, but please set another monospaced font by default (like Noto Sans Mono).
The built-in default font setting is: QFontDatabase::systemFont(QFontDatabase::FixedFont) so it's whatever the default Monospaced font on your system is. On my system this returns the same font returned by: fc-match monospace