ST-2026-112 · Removals & lifecycle enforcement
Vercel deprecates Edge Middleware and Edge Functions in favour of Routing Middleware and Vercel Functions
Vercel deprecated Edge Middleware and Edge Functions and named Vercel Routing Middleware and Vercel Functions as their replacements.
Previous state
New and existing projects could select the legacy Edge Middleware and Edge Functions product forms.
Current state
Edge Middleware and Edge Functions are deprecated; Routing Middleware and Vercel Functions are the named replacement product forms, with the new-project restriction stated for Edge Functions.
Affected users
Who needs to care
Vercel projects using Edge Middleware or Edge Functions, especially teams creating new projects or planning runtime migration.
Required response
What to do
Move new implementations to Routing Middleware and Vercel Functions, test runtime differences, and monitor Vercel for any later removal or end-of-support date.
Evidence boundary
What the source does not prove
Vercel publishes no separate forced-removal or end-of-support date. Do not claim an immediate cutoff or indefinite support for existing deployments.
Lifecycle history
Dated event sequence
- Deprecation and replacements published
Vercel named Routing Middleware and Vercel Functions as replacements for the deprecated Edge product forms.
Evidence ledger
First-party sources
- 01Vercel — Edge Middleware and Edge Functions are now powered by Vercel Functions
Official Vercel changelog · 2025-06-25
Open official source ↗