just tested it and it’s working fine here.
I used this to test it 
on :text:!test:#: {
if (subscriber=1 isin $msgtags) {
msg # You’re a sub
}
else { you’re not a sub
}
}
just tested it and it’s working fine here.
I used this to test it
on :text:!test:#: {
if (subscriber=1 isin $msgtags) {
msg # You’re a sub
}
else { you’re not a sub
}
}