Created attachment 160018 [details] Screen grb to illustrate problem STEPS TO REPRODUCE 1. Type a string containing spaces into the display 2. Place the cursor on a character which immediately follows a space 3. OBSERVED RESULT Characters between the cursor and the next following space or EOL are no longer visible, but reappear when the cursor is moved in either direction to a space or following character EXPECTED RESULT All characters in the string are visible SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.27.5 KDE Frameworks Version: 5.103.0 Qt Version: 5.15.8 ADDITIONAL INFORMATION This behaviour appears to be confined to Konsole and Yakuake but does not affect other similar applications. Display controller is Radeon HD 8830M.