We have the Fedora 29 i18n Test Day coming up on 2018-09-04.
The intent behind the test day will be to test Gnome App and other system features with
multiple keyboard layout.
One will require to download the latest image and then test it as indicated on the wiki
As always you can interact with the community on #fedora-test-day@freenode.
If you have time, please stop by!