v0.4.0 - Phase 5 Features

What's New in v0.4.0

This release completes Phase 5 of the TopGun roadmap, adding powerful new CRDTs, server-side processing capabilities, and improved synchronization.

New CRDTs and Data Structures

• PN Counter - Positive-Negative counter CRDT supporting increment/decrement operations with eventual consistency
• Event Journal - Append-only event log for event sourcing patterns with full CRDT synchronization
• Entry Processor - Atomic server-side map operations with sandboxed execution via isolated-vm

API Enhancements

• Custom Conflict Resolvers - Register custom conflict resolution strategies for domain-specific merge logic
• Delta Updates for Subscriptions - Incremental updates instead of full data snapshots for improved performance
• Offline Persistence for PNCounter - Full offline support for counter operations

React Hooks

• usePNCounter - Hook for working with PN Counter in React applications
• useEventJournal - Hook for subscribing to Event Journal streams
• Enhanced useQuery with delta update support

Bug Fixes

• Fixed memory leak in React change tracking with new maxChanges option
• Fixed isolated-vm bundling issues for server package
• Added production warning when isolated-vm is unavailable

Documentation

• New guides for PNCounter, Entry Processor, Event Journal
• Conflict resolution blog post with ML/AI integration examples

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Full Changelog: v0.3.0...v0.4.0