SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. Click "Open" menu item 2. Navigate to directory where KTurtle files are saved 3. OBSERVED RESULT "Turtle code files" is the default--but no files appear Whereas selecting "All files", shows my files EXPECTED RESULT Seeing e.g. ".ttl" required extension by "Turtle code files" list item. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Ubuntu 20.04.4 LTS (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION I could not find any Help documentation explaining what file extension I should add, to be listed by "Turtle code files".