When I fill attribute value, it save only for default language.
Site has ukrainian and english languages. Ukrainian is by default. I fill attribute value's filed in both language.

After save and reopen form english field is empty.

Besides, after change field data and click Update button I get an error:
"Call to a member function hasRelation() on array" on line 70 of .../modules/backend/traits/FormModelSaver.php
