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Version 0.21.0 Latest

Every @aparte/* package ships at this version (they are released in lockstep).

Minor Changes

• 08760a6: <aparte-chat> now paints its own background (--aparte-bg) and text colour (--aparte-text), so a light or dark chat stays readable on any page. To let your page show through as before, set --aparte-bg to your page’s colour, or write aparte-chat, [data-aparte-chat] { background: none; }.

  The palette sets a text colour and a ground together, and the chat used to paint only the text: its background was the host page’s. A dark chat on a white page wrote light text on white, and so did a chat on a light-only site seen from a dark system, where the default follows prefers-color-scheme with no attribute at all; a light chat on a dark page went the other way. Three of those four combinations were unreadable. The rule applies to <aparte-chat> and to the [data-aparte-chat] root the React, Vue and Svelte wrappers render, at zero specificity, so a rule of yours wins whichever stylesheet loads last. color is set too: what you render inside the chat — a tool card, a slot — now inherits the palette’s text colour instead of the page’s.

  A site that is light only can keep the chat light on a dark system with data-aparte-theme="light" on <html>. _@aparte/core

• 7830394: New @aparte/plugin-marked/streaming entry: setupMarkedStreamingProvider() formats a reply with marked while it streams and once it is done, so a finished reply no longer changes when it settles.

  ts

  import { setupMarkedStreamingProvider } from "@aparte/plugin-marked/streaming";
  
  setupMarkedStreamingProvider(); // in place of setupMarkedProvider() + setupStreamingMarkdownProvider()

  While a reply streams, the block being written is completed by Vercel’s remend before marked parses it: **bold shows bold before its closing ** arrives, a ** with nothing after it yet is held back instead of shown as typed, a link shows as a link from its first character and becomes clickable once its URL is complete, and an image appears once its URL is. Only that block is drawn again at each chunk; the blocks above it keep their DOM, so a selection in them survives the stream. Every block goes through the config’s sanitizer, external links to their own tab included. The options are marked’s, as for setupMarkedProvider, and apply to the streaming and the finished render alike.

  remend is a new dependency of the plugin (Apache-2.0, no dependencies of its own), imported by the /streaming entry only: the main entry’s graph is unchanged. @aparte/plugin-streaming-markdown stays the choice that only appends to the page. _{@aparte/plugin-marked}

• 34ca7d3: The plugin now parses with @paulrichez/streaming-markdown, which installs with it: you no longer install a parser beside the plugin, and you can remove streaming-markdown. Your code does not change.

  bash

  npm uninstall streaming-markdown

  @paulrichez/streaming-markdown is a maintained fork of Damian Tarnawski’s streaming-markdown, which has had no release since 0.2.15 (May 2025). It is now a regular dependency rather than a peer: nothing in the plugin’s API exposes it and there is nothing to configure, so there was no version for you to choose. Same API, plus four fixes that show while a reply streams:

  • A bracket inside a link’s text no longer breaks the link: [[1]](url) and [a [b] c](url) render as links before the reply settles, not only after.
  • Backticks in the middle of a line inside a code block no longer end the block early, as in function_call(```).
  • A table or a blockquote inside a list item stays in the item, and a table’s rows no longer show their indentation as text.
  • An underscore inside a word is no longer emphasis: snake_case_name and [read_me.md](url) stay as written. _{@aparte/plugin-streaming-markdown}

Patch Changes

• @aparte/engine@0.21.0 _@aparte/core

_{Version-only bumps (no changes of their own): @aparte/engine, @aparte/runner-ag-ui, @aparte/provider-ai-sdk, @aparte/provider-openai-compat, @aparte/provider-scenario, @aparte/provider-transformers, @aparte/plugin-approval, @aparte/plugin-artifacts, @aparte/plugin-ask-user, @aparte/plugin-compaction, @aparte/plugin-model-selector, @aparte/plugin-shiki, @aparte/plugin-titler, @aparte/angular, @aparte/react, @aparte/svelte, @aparte/vue, @aparte/locale-fr, @aparte/docs-mcp.}