This version offered rock-solid support for the industry-standard CDJ-2000NXS2 and DJM-900NXS2 setups. It was optimized to ensure that "Export Mode" (preparing USBs) was as fast as possible, reducing the time DJs spent waiting for waveforms to generate.
While 5.6.0 technically has the "lyrics" and "related tracks" pane, its attempt at vocal/beat isolation is laughable compared to Serato Stems or even v6's upgrade. Don't bother.
Many DJs actively choose to run Rekordbox 5.6.0 on dedicated performance laptops instead of upgrading to newer versions. Permanent Software Ownership
While stable, relying on an older version of software introduces modern compatibility challenges.