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Streaming replies re-parse only their last markdown block #1753
Description
src/components/Markdown.tsx re-parses the whole reply on every throttled update, so long replies get slower to render and the newest text lags. Split streamed text at top-level block boundaries and memoize each finished block, so only the last block re-parses. Fall back to whole-text rendering for syntax that links blocks together (reference links, footnotes, open code fences).
Activity
currentbits commentedon Oct 30, 2026
Already on main: since #1475, MarkdownBody splits a streaming reply with markdownChunks and only the last (live) chunk re-parses. Settled chunks are memoized and cached (src/components/Markdown.tsx). Nothing to build. This was filed from a check against a stale checkout.