Hello,
I have tried the 1.2.6 version. But instead of adding "%.;" (dot), you added "%,;" (comma), what is standard definition on my system. So the problem still exists.
With the new version, nobody could import JSON floating point strings, because even on systems using "." as decimal separator, you forced the converter to use ",".
I'm afraid, you have to change it again.
Greetings Tobi