I didn't find it either, before it was in /usr/share... but it seems the yaml are now integrated in the binary
you can find yaml files in the squeekboard gitlab
I use my own fr.yaml (and fr_wide.yaml) here they are, you can uncompress from home, forum doesn't accept yaml files as attachment.
you can find yaml files in the squeekboard gitlab
I use my own fr.yaml (and fr_wide.yaml) here they are, you can uncompress from home, forum doesn't accept yaml files as attachment.