Rekordbox 5.6.0 2021 | Linux |

No. Pioneer DJ stopped issuing security patches for version 5.x in 2021. If you connect your laptop to the internet while using 5.6.0, you risk unpatched vulnerabilities (though no major exploits have been reported in the wild).

No software is perfect. Here are the common complaints about this version: rekordbox 5.6.0