On August 4 Jan Van Katwijk updated QT-dab to version 3.5.2. You can download it here. Frequency synchronization has been optimized. QT-dab 3.5.2 is more stable and suffers less from audio hickups. QT-dab 3.5.2 now beats Qirx 2.1.1.9 in decoding DAB+-data.