chore(release): update changelog and bump version to 4.2.0-dev.2

[QuantumExplorer]

Issue being fixed or feature implemented

Release new Dash Platform version

What was done?

• Updated changelog
• Bumped packages version

How Has This Been Tested?

None

Breaking Changes

None

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone

Summary by CodeRabbit

• Release

  • Published development version 4.2.0-dev.2 across the SDK, client libraries, contracts, and related packages.
  • Updated package metadata to keep the development release versions consistent.

• Documentation

  • Added a comprehensive changelog entry covering breaking changes, compatibility updates, new features, bug fixes, build and documentation improvements, testing, CI, and refactoring updates.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 0ade2aa8-ff21-42f8-bb07-4165715c8acd

📥 Commits

Reviewing files that changed from the base of the PR and between e27738b and 52ca110.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (26)

• CHANGELOG.md
• Cargo.toml
• package.json
• packages/bench-suite/package.json
• packages/dapi-grpc/package.json
• packages/dapi/package.json
• packages/dash-spv/package.json
• packages/dashmate/package.json
• packages/dashpay-contract/package.json
• packages/document-history-contract/package.json
• packages/dpns-contract/package.json
• packages/js-dapi-client/package.json
• packages/js-dash-sdk/package.json
• packages/js-evo-sdk/package.json
• packages/js-grpc-common/package.json
• packages/keyword-search-contract/package.json
• packages/masternode-reward-shares-contract/package.json
• packages/platform-test-suite/package.json
• packages/token-history-contract/package.json
• packages/wallet-lib/package.json
• packages/wallet-utils-contract/package.json
• packages/wasm-dpp/package.json
• packages/wasm-dpp2/package.json
• packages/wasm-drive-verify/package.json
• packages/wasm-sdk/package.json
• packages/withdrawals-contract/package.json

---

📝 Walkthrough

Walkthrough

The release metadata now targets 4.2.0-dev.2. The changelog includes the release details, and the workspace plus package manifests use updated development versions.

Changes

Release metadata

Layer / File(s)	Summary
Release changelog CHANGELOG.md	Adds the complete 4.2.0-dev.2 release section, including breaking changes, features, fixes, build updates, tests, CI changes, and refactoring entries.
Workspace and package versions Cargo.toml, package.json, packages/*/package.json	Updates the workspace and package versions from dev.1 to dev.2, including package-specific major versions where applicable.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Suggested reviewers: shumkov

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release_4.2.0-dev.2

---

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[thepastaclaw]

🕓 Ready for review — 4 ahead in queue (commit 52ca110)
Queue position: 5/5
ETA: start ~23:12 UTC · complete ~23:29 UTC (median 16m across 30 recent reviews; 2 slots)
Queued 52s ago · Last checked: 2026-08-26 22:40 UTC