Thread:Sophiedp/@comment-44495770-20200918191942/@comment-39340968-20200919182252

The main difference is the MediaWiki version number that they operate on:

1.19 is the current version (which will soon be discontinued from usage on Fandom)

1.33 is the version currently being processed and will replace the old version

If you’re unsure about what MediaWiki version the wiki has, visit Special:Version on your wiki.