docs updates

[akshaydeo]

Summary

Added changelog for v1.4.0-prerelease3 and updated the docs navigation to display the new changelog as the most recent version.

Changes

• Created new changelog file for v1.4.0-prerelease3 with release date 2026-01-02
• Added installation instructions for NPX and Docker
• Documented updates across multiple components:
  • Added max_tokens to max_completion_tokens mapping for chat completions
  • Fixed empty string handling in Anthropic provider
  • Fixed Gemini/Vertex tool conversion for function declarations
  • Added Azure Entra ID (Service Principal) authentication support
  • Fixed tracing flow that was breaking streaming responses
• Updated docs.json to show v1.4.0-prerelease3 as the most recent changelog in navigation

Type of change

• Bug fix
• Feature
• Documentation
• Chore/CI

Affected areas

• Core (Go)
• Transports (HTTP)
• Providers/Integrations
• Plugins
• UI (Next.js)
• Docs

How to test

Verify the new changelog appears correctly in the documentation:

# Start the docs server
cd docs
pnpm dev || npm run dev

# Navigate to the changelogs section and verify v1.4.0-prerelease3 appears at the top

Breaking changes

• No

Related issues

N/A

Security considerations

N/A

Checklist

• I read docs/contributing/README.md and followed the guidelines
• I updated documentation where needed
• I verified builds succeed

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Summary by CodeRabbit

• Documentation
  • Added v1.4.0-prerelease3 changelog documenting updates across Bifrost (HTTP), Core, Framework, and multiple components.
  • Updates include fixes for token mapping, string handling, tool conversion, and tracing functionality.
  • Added Azure Entra ID authentication support documentation.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

Walkthrough

A new changelog file for v1.4.0-prerelease3 has been added, documenting updates across Bifrost, Core, Framework, and various components including HTTP mapping adjustments, provider fixes, and authentication enhancements. The documentation navigation index has been updated to reference this new changelog version.

Changes

Cohort / File(s)	Summary
Documentation & Changelog docs/changelogs/v1.4.0-prerelease3.mdx, docs/docs.json	New MDX changelog file added documenting v1.4.0-prerelease3 release notes covering Bifrost (HTTP), Core, Framework, and component updates. Navigation reference updated from v1.3.58 to v1.4.0-prerelease3.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 A changelog hops forth with glee,
Version marks what's new to see,
From Bifrost flows to tracing bright,
Each update documented just right! ✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch 01-03-docs_updates

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📜 Recent review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 002885e and acd7da5.

📒 Files selected for processing (2)

• docs/changelogs/v1.4.0-prerelease3.mdx
• docs/docs.json

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[akshaydeo]

• docs updates #1224 👈 (View in Graphite)
• main

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[github-actions]

🧪 Test Suite Available

This PR can be tested by a repository admin.

Run tests for PR #1224