*** If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** SUMMARY When rendering in AV1 - Unable to change the bit rate from over 160,000kbps -260,000kbps file sizes are double the size expected from handbrake STEPS TO REPRODUCE 1. render a file in AV1 custom present NVENC 2. change the quality sliders 3. OBSERVED RESULT high file sizes on AV1 render doesn't matter the quality 5% or 50%. EXPECTED RESULT file sizes half of x265 like handbrake can produce. SOFTWARE/OS VERSIONS Windows: 11 23H2 :: 22631.3593 fresh install. macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION