In Wikipedia in Asturian we want to remove Spanish as the fallback language, so the fallback chain goes from Asturian directly to English. The voting ended with 8 votes in favor and none against.
Local discussion: https://ast.wikipedia.org/w/index.php?title=Wikipedia:Votaciones&oldid=2982637#Votaci%C3%B3n_pa_desaniciar_el_castell%C3%A1n_como_llingua_por_defeutu
When: not urgent, normal priority.
What to do
In the MediaWiki core repository, locate the file with the directory MessagesAst.php and remove the line $fallback = 'es';