framework · inferred from evidence
@observablehq/framework
A framework mentioned as the source of the issue and fix for IPv6 address handling in the preview server.
- Observable Framework npm run dev fails with listen EINVAL on Fedora
The preview server was resolving an IPv6 address (check your HOSTNAME env var, which is a common source) and Node's listen call rejected it with EINVAL. Fix: upgrade @observablehq/framework to a version that includes PR #854, which fixed th