If you set or delete a large-community-list you get the deprecated message:
vyos@vyos# commit [ policy extcommunity-list exports ] % Unknown command: no ip extcommunity-list expanded exports This config option is deprecated, and is scheduled for removal. % Unknown command: no ip extcommunity-list expanded exports if you are using this please migrate to the below command. % Unknown command: no ip extcommunity-list expanded exports 'show bgp extcommunity-list <(1-500)|WORD>' This config option is deprecated, and is scheduled for removal. if you are using this please migrate to the below command. 'no bgp extcommunity-list <(1-99)|(100-500)|standard|expanded> <deny|permit> <LINE|AA:NN>'
Seems like vyos is using a deprecated function of frr