Hi c10ud, thanks for testing!!
Do you have a script to reproduce the error? I tested using chdkptp and I could not reproduce it.
___> list
-1:Canon PowerShot A1400 b=bus-0 d=\\.\libusb0-0003--0x04a9-0x3264 v=0x4a9 p=0x3
264 s=8690FC533114492AAB8D98237D3416FB
___> c
connected: Canon PowerShot A1400, max packet size 512
con> =return get_buildinfo()
1:return:table:{platform="a1400",build_date="Jan 15 2014",build_number="1.3.0",b
uild_time="12:46:02",version="CHDK",platsub="100b",build_revision="3312",platfor
mid=12900,os="dryos",}
con 1> rec
con 2> =set_zoom(25)
con 3> =return get_zoom()
4:return:25
con 4> =set_zoom(3)
con 5> =return get_zoom()
6:return:3
con 6>