Bump @blocknote/core from 0.34.0 to 0.40.0

[dependabot]

Bumps @blocknote/core from 0.34.0 to 0.40.0.

Release notes

Sourced from @​blocknote/core's releases.

v0.40.0

0.40.0 (2025-09-30)

BlockNote AI

We've now significantly refactored BlockNote AI to support:

• The Vercel AI SDK 5 (closes #1952)
• Now uses streamText + tool calling by default instead of Object Generation
• Designed to call your own backend (instead of the old proxy-based setup).
• Leans in more heavily to the updated AI SDK architecture (reusing the Chat and transport concepts)
• PromptBuilders have been redesigned to split the creation of the required data (PromptBuilderInputData and creation / modification of the LLMMessages
• fix: better handling of parallel tool calls

Backend pattern

We've revisited the old solution where BlockNote made direct calls to LLMs from the client using the Vercel AI SDK (or via a proxy).

Instead it's now recommended to send request to your backend. There, you can then invoke your LLM (potentially adding more context, tools, RAG, etc). While a bit more work to set up, this architecture is more inline with the Vercel SDK and unlocks more powerful workflows.

Breaking changes

See the updated docs and backend integration guide for an overview of the new APIs. The main breaking change is that createAIExtension now accepts a transport that provides the integration with your backend.

We now recommend to use the Vercel AI SDK on your backend. For alternative options, see the backend integration guide. The previous proxy-based approach is still available and explained in the backend guide.

For assistance in upgrading and integration with your pipeline, please reach out to the team.

Mantine

We've now upgraded our support of Mantine in the @blocknote/mantine package to V8.

🚀 Features

• Mantine v8 upgrade (#2028, #2029)
• Update Mantine setup (#2033)
• ai: SDK 5, tool calling, custom backends (#2007)
• core: add the ability to autofocus on the editor element (#2018)

🩹 Fixes

• Block colors menu not always showing (#2027)
• Update remianing examples to Mantine v8 (#2031)
• ShadCN example Tailwind setup (#2042)

❤️ Thank You

• Matthew Lipski @​matthewlipski
• Nick Perez
• Yousef

v0.39.1

... (truncated)

Changelog

Sourced from @​blocknote/core's changelog.

0.40.0 (2025-09-30)

🚀 Features

• Mantine v8 upgrade (#2028, #2029)
• Update Mantine setup (#2033)
• ai: SDK 5, tool calling, custom backends (#2007)
• core: add the ability to autofocus on the editor element (#2018)

🩹 Fixes

• Block colors menu not always showing (#2027)
• Update remianing examples to Mantine v8 (#2031)
• ShadCN example Tailwind setup (#2042)

❤️ Thank You

• Matthew Lipski @​matthewlipski
• Nick Perez
• Yousef

0.39.1 (2025-09-19)

🩹 Fixes

• cleanup accesses to prosemirrorView to account for tiptap 3 behavior (#2017)
• core: input rules can handle when a new block is empty now (#2013)

❤️ Thank You

• Nick Perez

0.39.0 (2025-09-18)

🚀 Features

• move all blocks to use the custom blocks API (#1904)
• core: support for Tiptap V3 (#2001)

❤️ Thank You

• Nick Perez

0.38.0 (2025-09-16)

🚀 Features

• Custom schemas for comment editors (#1976)

🩹 Fixes

... (truncated)

Commits

• 884347d chore(release): publish 0.40.0
• f521e36 feat(core): add the ability to autofocus on the editor element (#2018)
• a87ac38 chore(release): publish 0.39.1
• 7a55c34 fix: cleanup accesses to prosemirrorView to account for tiptap 3 behavior (#2...
• 8b1849e docs: update custom block/inline content/style docs (#2012)
• 10cdbfb fix(core): input rules can handle when a new block is empty now (#2013)
• 32ba514 chore(release): publish 0.39.0
• 90665db feat(core): support for Tiptap V3 (#2001)
• f28cdc2 feat: move all blocks to use the custom blocks API (#1904)
• 43bf109 chore(release): publish 0.38.0
• Additional commits viewable in compare view

Maintainer changes

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Project	Deployment	Preview	Comments	Updated (UTC)
pouch	Error			Oct 6, 2025 7:52pm

[dependabot]

Superseded by #51.