SUMMARY STEPS TO REPRODUCE 1. Set In point and Out point 2. Render only selected zone OBSERVED RESULT Render finishes right away and the resulting clip is only a few milliseconds. EXPECTED RESULT It should render the entire selected zone. SOFTWARE/OS VERSIONS Windows: 10 macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION Rendering the Full project works fine. It just happens when rendering selected zone. Used the latest Windows version as of June 22, 2019.
Please try with the current Kdenlive Windows version 19.04.2-5: https://kdenlive.org/en/download/ 19.04.2-4 solved some mlt rendering issues.
The rendering issue on Windows should be fixed. Please try with version 20.08.1. We close this bug. If it still appears in the latest version, please feel free to re-open it and update the affected version number.