Next.js 16.4.2 release notes, 15 Oct 2026

[lts-active] turbo-tasks snapshot consistency fixes (#99644, #99732, #99649) by @lukesandberg in https://github.com/vercel/next.js/pull/100002
[lts-active] Turbopack: backport Pages Router dev module graph chaining (#98823, #99910, #100091) by @sokra in https://github.com/vercel/next.js/pull/100008
[lts-active] fix(next-code-frame): snap visible window to char boundaries by @lukesandberg in https://github.com/vercel/next.js/pull/100212
[lts-active] [turbopack] Fix two GC paths that leave half-torn-down dependency edges by @lukesandberg in https://github.com/vercel/next.js/pull/100209
[lts-active] Turbopack: Ignore realpath errors during module resolution, matching node's behavior by @lukesandberg in https://github.com/vercel/next.js/pull/100217
[lts-active] Backport docs fixes since v16.4.0 by @icyJoseph in https://github.com/vercel/next.js/pull/100246
[lts-active] Fix Turbopack lazy dynamic-import chunk-list collisions by @lukesandberg in https://github.com/vercel/next.js/pull/100211
[lts-active] Backport additional documentation fixes since v16.4.0 by @aurorascharff in https://github.com/vercel/next.js/pull/100262

Full Changelog: https://github.com/vercel/next.js/compare/v16.4.1...v16.4.2