Here is the full list of previous versions of Brave Browser that you can download here:
Version 1.0.1 (Based on Chromium 78)
Version 1.2.43 (Based on Chromium 79)
Version 1.6.59 (Based on Chromium 80)
Version 1.9.80 (Based on Chromium 81)
Version 1.10.97 (Based on Chromium 83)
Version 1.12.114 (Based on Chromium 84)
Version 1.15.84 (Based on Chromium 85)
Version 1.16.76 (Based on Chromium 86)
Version 1.18.78 (Based on Chromium 87) (Note: This is the last version to support macOS 10.10)
Version 1.20.110 (Based on Chromium 88) (Note: This is the last version to support non-SS3 CPUs)
Version 1.22.72 (Based on Chromium 89)
Version 1.24.86 (Based on Chromium 90)
Version 1.26.77 (Based on Chromium 91)
Version 1.28.106 (Based on Chromium 92)
Version 1.29.81 (Based on Chromium 93)
Version 1.30.89 (Based on Chromium 94)
Version 1.31.91 (Based on Chromium 95)
Version 1.33.106 (Based on Chromium 96)
Version 1.34.81 (Based on Chromium 97)
Version 1.35.103 (Based on Chromium 98)
Version 1.36.122 (Based on Chromium 99)
Version 1.37.116 (Based on Chromium 100)
Version 1.38.119 (Based on Chromium 101)
Version 1.39.122 (Based on Chromium 102)
Version 1.41.100 (Based on Chromium 103) (Note: This is the last version to support macOS 10.11-10.12)
Version 1.42.97 (Based on Chromium 104)
Version 1.43.93 (Based on Chromium 105)
Version 1.44.112 (Based on Chromium 106)
Version 1.45.133 (Based on Chromium 107)
Version 1.46.153 (Based on Chromium 108)
Version 1.47.186 (Based on Chromium 109) (Note: This is the last version to support Windows 7/8.x)
Version 1.48.171 (Based on Chromium 110)
Version 1.49.132 (Based on Chromium 111)
Version 1.50.121 (Based on Chromium 112)
Version 1.51.118 (Based on Chromium 113)
Version 1.52.130 (Based on Chromium 114)
Version 1.56.120 (Based on Chromium 115)
Version 1.57.64 (Based on Chromium 116) (Note: This is the last version to support macOS 10.13-10.14)
Version 1.58.137 (Based on Chromium 117)
Version 1.59.117 (Based on Chromium 118)
Version 1.60.110 (Based on Chromium 119)
Version 1.61.120 (Based on Chromium 120)
Version 1.62.165 (Based on Chromium 121)
Version 1.63.174 (Based on Chromium 122)
Version 1.64.122 (Based on Chromium 123)
Version 1.65.133 (Based on Chromium 124)
Version 1.66.120 (Based on Chromium 125)
Version 1.67.134 (Based on Chromium 126)
Version 1.68.134 (Based on Chromium 127)
Version 1.69.168 (Based on Chromium 128) (Note: This is the last version to support macOS 10.15)
Version 1.70.126 (Based on Chromium 129)
Version 1.71.120 (Based on Chromium 130)
Version 1.73.100 (Based on Chromium 131)
Version 1.74.50 (Based on Chromium 132)
Version 1.75.177 (Based on Chromium 133)
Version 1.76.80 (Based on Chromium 134)
Version 1.77.100 (Based on Chromium 135)
Version 1.78.97 (Based on Chromium 136)
Version 1.79.126 (Based on Chromium 137)
Version 1.80.125 (Based on Chromium 138) (Note: This is the last version to support macOS 11)