{"slug":"js-testing","boardTitle":"The Test Runner War","kind":"leadChange","day":"2026-07-19","dayNum":19,"headline":"Day 19: Playwright takes the lead.","subject":{"label":"Playwright","sovPct":50.6},"rows":[{"rank":1,"label":"Playwright","sovPct":50.6,"isSubject":true},{"rank":2,"label":"Jest","sovPct":38.8,"isSubject":false},{"rank":3,"label":"Cypress","sovPct":7.6,"isSubject":false},{"rank":4,"label":"Vitest","sovPct":3,"isSubject":false}],"detail":{"prevLeader":"Jest","dayNum":19},"permalink":"https://xterminal.app/mindshare/js-testing/moments/2026-07-19-leadchange-playwright","source":"XTerminal · xterminal.app/mindshare"}