SUMMARY STEPS TO REPRODUCE 1. Install r-base `sudo apt install r-base` 2. Install RStudio 3. Open Okular pdf and click on link - opens to RStudio not to default browser OBSERVED RESULT Opens to Rstudio as link not to browser. EXPECTED RESULT Link opens to default browser. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION