Fixes from the 0.27.9 pre-release review. Servers: an unreadable rendered-HTML root falls back to the startup snapshot on both runtimes with a once-per-process warning instead of hanging (Pi) or answering 500 (Bun); the version diff is recomputed against current bytes on reload and carried through the in-app Refresh instead of being dropped, with no history write on a GET. Client: a Refresh action on the compact touch shell; HtmlSurfaceControls renders Refresh independently of the eye; the dead HtmlSurfaceActions removed. Threading: one linear, cycle-safe reply resolution shared by the annotations panel, its sort, and the export (5,000-chain tests), PATCH ingest on both runtimes rejects self-references and cycles, nothing is ever dropped from feedback. WebMCP and viewer hygiene: bounded tombstone and request memories, per-instance minted ids, nudge id caps, waiter cleanup on unmount, a shared retry epoch for diagram blocks. Docs: HTML Refresh documented, the WebMCP design pointer fixed, marketing pages updated.
AI-assisted (Claude) under maintainer direction.
Phase 1 of WebMCP support: a zero-dependency, feature-detected engine in packages/ui/webmcp plus a read-and-comment tool catalog for plan review and annotate (read_document, add_comments, update_comment, remove_comments, reveal, nudge_user, list_documents). No decision tools; the human approves. Zero footprint in browsers without document.modelContext (DOM, network, console, timers, and cookies identical to main), idle until called where the API exists, and never registered inside the annotate iframes. Adds an optional inReplyTo field on annotations for threaded replies. Client-only; no server changes.
AI-assisted (Claude) under maintainer direction.
Michael Ramos