# What changed in @docsearch/core

> 17 changes in @docsearch/core 5 from its official release notes, upgrade guides and advisories: 6 breaking, 7 new APIs and options. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/@docsearch/core/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## @docsearch/core 5

### Breaking changes

- The Ask AI assistantId option is renamed to agentId. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- apiKey moves up into @docsearch/core so it can be configured once and shared. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- appId moves up into @docsearch/core so it can be configured once and shared. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- The Ask AI transport layer has been removed. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- Ask AI-related props are now nested under a single root askai option. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- The indexName prop is removed from the Sidepanel. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)

### New APIs and options

- Agent Studio integration adds core tools and dynamic tool calls. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- Conversation memory support is added. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- A new package provides MCP setup and search. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- Agent Studio supports dynamic index selection. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- Feedback integration adds feedback notes and tags. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- MCP plugin support is added. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- Prompt suggestions are added to keyword search and as follow-up suggestions. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)

### Behavior and default changes

- Facet defaults can now be read from the index searchParameters. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)

### Fixes and other changes

- Fixes a crash when importing DocSearch bundles on Safari 14, which could not parse the regex pattern selected by the build. (5.1.1) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.1.1)
- Nested grouping of search results is restored. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)
- The slash search shortcut no longer intercepts key events on focused buttons. (5.0.0) — [release notes](https://github.com/algolia/docsearch/releases/tag/%40docsearch/core%405.0.0)