The visual shell of AmigaOS is the Workbench. Version 3.2.3 ships with Workbench 3.5 (distinct from the OS version number), which offers a radical visual and functional departure from the stark blue/orange palette of the 1990s.
Long-standing tools like DiskDoctor and HDToolbox received critical fixes to improve disk recovery and partitioning reliability. The 3.2.x Lineage: A Modern Standard amigaos 3.2.3
AmigaOS 3.2.3!
You can buy AmigaOS 3.2 (which includes 3.2.3 as a free update) from retailers like AmigaKit or Vesalia. Installation requires either real Amiga hardware or an emulator like WinUAE. The cost is roughly €35 – cheaper than a dinner out, for an operating system that offers a decade of development time in return. The visual shell of AmigaOS is the Workbench