#observability

A terminal window showing the verbatim MCP 2026-07-28 changelog entry: removed protocols ping, logging/setLevel, notifications/roots/list_changed

MCP Removes the ping and logging/setLevel Methods

The 2026-07-28 MCP spec removes ping and logging/setLevel. Log level now sets per-request via _meta, and there is no stated ping replacement.

Aug 6, 2026Read more →

A terminal window showing the verbatim changelog entries for local dev observability: added in wrangler 4.114.0, enabled by default in wrangler 4.118.0

Dev Tools

Wrangler Now Traces Local Dev by Default (v4.118)

Wrangler 4.118 captures request traces and console logs into Local Explorer by default. Opt out with X_LOCAL_OBSERVABILITY=false if it causes trouble.

Aug 6, 2026Read more →