Workbench Nostalgia: The history of the AmigaOS Graphic User Interface (GUI): OS Versions

This table lists all known AmigaOS versions—beta and release.
If any data is incorrect, or you have information to add, please contact me.

Beta Release Workbench version(s) Kickstart version(s)

0.4
'Velvet'

0.6 26.1, 26.7

0.7 27.5 27.3

0.8? 28.2 (authentic format), 28.7

0.9 29.2, 29.11

1.0 30 (NTSC release only)

1.1 31.334 31.34 (NTSC), 32.34 (PAL)

1.2 33.44 (gamma 1)

1.2 33.43, 33.46, 33.47, 33.56, 33.59, 33.61 33.166, 33.180

1.2.1 34.4

1.3 34.1, 34.21 34.5

1.3.1 34.25 unchanged

1.3.2 34.28 unchanged

1.3.3 34.34 unchanged

1.3.4
(A2024) 34.?? (built-on 34.20) unchanged

1.4 36.1, 36.3, 36.5, 36.8, 36.16, 36.993,
36.1123, 36.1228, 36.1385, 36.1524 36.2, 36.15, 36.36, 36.88

2.0 36.68, 36.69 36.141

2.01 36.69(D) 36.143

2.02 36.70 36.207

2.03 36.102 36.209

2.04 37.64 36.303, 36.314

2.04 37.67 37.175

2.05 37.71, 37.72, 37.74 37.299, 37.300, 37.350

2.1 38.12, 38.18, 38.23, 38.28,
38.30 (TOS), 38.31, 38.32

2.1 38.35, 38.36 unchanged

3.0 39.110

3.0 39.29 39.106

3.1 39.82, 39.92

3.1 40.42, 40.43 40.55, 40.56, 40.58, 40.60,
40.63, 40.68, 40.70, 40.72

3.2/4.0 40.42, 42.x 43.1B

3.1.4 ? ?

3.1.4.1 45.194 46.143

3.2.3 47.2, 47.3, 47.4, 47.5 47.96, 47.102, 47.111, 47.115

3.5

3.5 44.2 (orig. CD), 44.4 (BB1), 44.5 (BB2)

3.9

3.9 45.1 (orig. CD), 45.2 (BB1), 45.3 (BB2) 45.057

4.x 50.2 (U-Boot 1.0.0)

4.0 52.1 (U-Boot 1.1.1) 52.2

4.1 52.2 53.8 (53.5 earlier)