Preserve local environment variables when linking with the Vercel CLI

The Vercel CLI now preserves locally configured environment variables when linking a project, preventing them from being overwritten by remote environment variable settings. This feature allows developers to maintain their local development environment setup while still syncing with Vercel's project configuration. The update improves the workflow for teams that need to keep local and remote environment variables separate.

Source: Vercel Blog | 2026-06-23