Setting the scene
FIFA's rotation to a small Gulf state forced calendar shifts to avoid lethal summer heat for players and fans.
What happened
Human-rights groups documented kafala-era labor conditions during stadium construction for years.
Why it still matters
Rainbow armband debates collided with local laws, igniting culture-war headlines. Memorable detail: semi-automated offside tech split fans over millimeter line animations.
Background
Messi's Argentina triumph capped a month of VAR controversies, geopolitical boycotts, and stadium cooling tech flexes.