v16.4.0-canary.16

Summary

Misc Changes test: remove stale deploy manifest exclusions: #98051 Enable hourly next-maintainer auto-close workflow: #98225 Return client errors for unrecognized Server Actions: #98123 Add Next Maintainer auto-close workflow: #98197 perf(turbopack): skip ignored files during server tracing: #97475 docs: note that experimental.taint taints process.env: #98145 test: preserve static params during Cache Components migration: #98209 Upgrade web-vitals to v6 and report soft navigations: #97232 Upgrade React from 21c89c9f-20260901 to f4e439e1-20260902 : #98188 Credits Huge thanks to @gnoff , @marcoshernanz , @jimmyhmiller , @icyJoseph , @aurorascharff , and @timneutkens for helping!

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