The plenary also takes up air-passenger rights, social-security coordination, fertilizer prices and the EU-Mexico agreement.

Despite the war's shadow, Ukraine and Moldova have pressed on with judicial and anti-corruption reforms tied to accession conditions; the parliamentary reports reportedly pair progress with remaining tasks.

On Serbia, opening 'Cluster 3' (competitiveness and inclusive growth) could be discussed as early as this week—a sign Balkan enlargement is moving again.

Member states differ sharply on enlargement, between those urging speed on security grounds and those refusing to relax rule-of-law standards.

Where EU enlargement heads is also a trade-environment variable for Asian companies preparing to enter the European market.