Datagrid setting load/save

Hello radzen team,
there seems to be a problem with german umlaute "ü,ö,ä, ect." in simple filter mode:

s. here

What can i do that the umlaute are displayed correct?

thanks for help

Thomas

I saved the settings in a database table and this works.
Seems to be a problem with browser storage

for me this topic can be closed