npm / @docsearch/js

@docsearch/js

What changed in @docsearch/js 4 to 5, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-26.

2 breaking12 new APIs and options2 performance2 behavior and defaults1 tooling1 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@docsearch/js 518 changes

The Ask AI transport layer has been removed.
5.0.0release notes
Ask AI related props are now nested under the single root askai option.
5.0.0release notes

Agent Studio integration adds core tools and dynamic tool calls.
5.0.0release notes
The integration supports the Algolia MCP search tool, including aggregated MCP search tool calls.
5.0.0release notes
Conversation memory support is available for Ask AI.
5.0.0release notes
Agent Studio can select indexes dynamically.
5.0.0release notes
Search supports facets displayed with filter chips.
5.0.0release notes
Feedback integration supports feedback notes and tags.
5.0.0release notes
The new footerAction prop renders a custom action in the modal footer before the Algolia logo and supports html helper, JSX, or function-based template patterns.
5.0.0release notes
Search results can display hit breadcrumbs.
5.0.0release notes
MCP plugins are supported.
5.0.0release notes
Prompt suggestions are available in keyword search and as follow-up suggestions.
5.0.0release notes
Search results can display badges.
5.0.0release notes

Bundled DocSearch packages are now development dependencies, reducing the install footprint for consumers.
5.0.2release notes
JS bundles are split to support search-only usage and JS-based hybrid mode.
5.0.0release notes

The search UI is refreshed with an improved dark theme, sources panel, and accessibility.
5.0.0release notes

Fixed a crash when importing DocSearch bundles on Safari 14 caused by an incorrectly optimized lookbehind feature detection.
5.1.1release notes