App Router: `template.tsx` does not remount/re-render correctly on navigation
#1 534 ouverte le 22 mai 2026
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Description
This issue was created by an agent analysing CI failures from the Next.js Deploy Suite (vinext
mainvs Next.jsv16.2.6, 2026-05-22).
Problem
Templates should reset their state and re-render on each navigation. vinext either shows a This page couldn't load error or keeps the same instance value, indicating the template does not remount correctly on navigation.
template.tsx instance value preserved across navigations (should be fresh)
Estimated Impact
~2 test failures across the deploy suite.
Affected Test Suites
test/e2e/app-dir/app/index.test.ts(2 failures)
Recommendation
-
Reproduce first in vinext's own test suite. Add a
template.tsxthat usesuseState(Math.random())and assert the value changes between navigations. -
Force remount of
template.tsxon navigation. Wrap the template with a key that changes per navigation so React unmounts and remounts the subtree.
Part of #1328.