SUMMARY STEPS TO REPRODUCE 1. open a new mail 2. in the field "to" type a name with a space as "da costa" 3. OBSERVED RESULT "da costa" is not found in contacts EXPECTED RESULT "da costa" is found in contacts SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.21.3 KDE Frameworks Version: 5.80.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION kde app 20.12.3