Having removed "Russian phonetic" (which had been added from "others"), I added Russian from "Manage installed languages", then clicked the + sign but that simply closed the settings. I repeated the process a few times after rebooting. The plus sign merely shut down the entire settings GUI.
Clicking the + sign should normally have opened up all the languages I had added in "Manage installed languages" and their variants.
I "enabled proposed" as explained on https:/ /wiki.ubuntu. com/Testing/ EnableProposed, updated software and I'm afraid the results are discouraging:
Having removed "Russian phonetic" (which had been added from "others"), I added Russian from "Manage installed languages", then clicked the + sign but that simply closed the settings. I repeated the process a few times after rebooting. The plus sign merely shut down the entire settings GUI.
Clicking the + sign should normally have opened up all the languages I had added in "Manage installed languages" and their variants.