Release v2.21.0

[VeskeR]

Release for LiveObjects REST client from #2109

Summary by CodeRabbit

• New Features
  • LiveObjects REST client: REST channels now support channel.object with get(), publish(), and generateObjectId() for managing objects and client-side ID creation, plus atomic batch operations with cross-references between newly created objects.
• Chores
  • Release updated to 2.21.0 and changelog entry added.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: f2af6568-70e0-4aa8-8b14-c9cae10d3c4b

📥 Commits

Reviewing files that changed from the base of the PR and between 3576437 and 4ea97b5.

⛔ Files ignored due to path filters (1)

• package-lock.json is excluded by !**/package-lock.json

📒 Files selected for processing (3)

• CHANGELOG.md
• package.json
• src/platform/react-hooks/src/AblyReactHooks.ts

✅ Files skipped from review due to trivial changes (2)

• package.json
• src/platform/react-hooks/src/AblyReactHooks.ts

🚧 Files skipped from review as they are similar to previous changes (1)

• CHANGELOG.md

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Walkthrough

Bumps package to 2.21.0 and documents a new LiveObjects REST capability: channel.object is now available on REST channel instances with get(), publish(), and generateObjectId() to support atomic batch operations and cross-references.

Changes

Cohort / File(s)	Summary
Changelog & release CHANGELOG.md	Adds 2.21.0 entry (2026-03-19) describing new LiveObjects REST channel.object API and its get(), publish(), generateObjectId() capabilities for atomic batches.
Package metadata package.json	Bumps package version from 2.20.0 to 2.21.0. No other metadata changes.
React hooks agent src/platform/react-hooks/src/AblyReactHooks.ts	Updates exported version constant from 2.20.0 to 2.21.0, affecting the react-hooks/2.21.0 agent string. No behavioral changes.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A quick hop, a tidy change,
Version bumped across the range.
Objects, IDs, and batches bloom,
REST channels hum in the room.
Hooray — the release hops into tune! 🎉

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Release v2.21.0' clearly describes the main change—a version bump release—and is directly supported by updates to package.json, CHANGELOG.md, and the version constant in AblyReactHooks.ts.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/2.21.0

📝 Coding Plan

• Generate coding plan for human review comments

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