They stated #NoChanges was dead in 2019, prior to Classic’s launch. This was reaffirmed with Classic Era’s debut: https://us.forums.blizzard.com/en/wow/t/world-of-warcraft-classic-and-burning-crusade-classic-characters-and-realms/
" WoW Classic will direct you to the new Classic Era realms which will have the latest phase of WoW Classic content in it and will not progress into any WoW expansion content."