Known Limits
Engine differences, platform caveats, current boundaries
General
- React 19 only. The editor is a client component; SSR apps mount it
inside
'use client'. For a server-rendered first paint, pass your site's rendered MDX asstaticFallback. The editor swaps in on hydration without a parse on the critical path. - Word pastes are coerced through the schema, so marks, tables and
lists survive. One upstream exception: Word numbered lists arrive as
literal
1. Itemparagraphs. That is ProseMirror's clipboard parser. - Not yet editable:
<CodeBlockTabs>, plain<Tabs>and footnotes are verbatim-only for now (details).
Collaboration
- A hard kill of the sync server can lose edits still inside its save debounce (under a second). An orderly shutdown flushes.
- Edits typed while the server was down are discarded when it comes back (restarts). Edits made while merely disconnected converge on reconnect.
- The raw MDX tab is disabled during collab.
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