For the July dump of enwikt, there are about 14,000 pages missing from the MediaWiki Content File Exports that are included in the XML dump.
wget https://dumps.wikimedia.org/other/mediawiki_content_current/enwiktionary/2026-07-01/xml/bzip2/enwiktionary-2026-07-01-p6p11794195.xml.bz2 wget https://dumps.wikimedia.org/enwiktionary/20260701/enwiktionary-20260701-pages-articles.xml.bz2
bzcat enwiktionary-2026-07-01-p6p11794195.xml.bz2 | grep '^ <title>' | grep -v ':' > enwiktionary-2026-07-01-p6p11794195.xml.bz2.allpages bzcat enwiktionary-20260701-pages-articles.xml.bz2 | grep '^ <title>' | grep -v ':' > enwiktionary-20260701-pages-articles.xml.bz2.allpages
wc -l *allpages 8875844 enwiktionary-2026-07-01-p6p11794195.xml.bz2.allpages 8890057 enwiktionary-20260701-pages-articles.xml.bz2.allpages
First 10 missing pages, all edited on or after July 1:
diff enwiktionary-2026-07-01-p6p11794195.xml.bz2.allpages enwiktionary-20260701-pages-articles.xml.bz2.allpages | grep "^>" | head > <title>A</title> > <title>elephant</title> > <title>December</title> > <title>may</title> > <title>September</title> > <title>November</title> > <title>trade</title> > <title>name</title> > <title>fa</title> > <title>a-</title>
Previously reported alongside a separate issue in T417596