Latest plasmic loader breaks fetch

Upgrading @plasmicapp/loader-nextjs from 1.0.212 to 1.0.214 breaks SSR, getting

error - TypeError: fetch failed
    at Object.fetch (node:internal/deps/undici/undici:14062:11)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)

This is with the default Plasmic template generated using create-plasmic-app.