Changelog
v0.9.0 — January 2025
Pool Manager GA
- Pool Manager reaches General Availability with full production support
- Validated 1,000,000+ concurrent client connections on a single node
- io_uring backend for Linux (epoll fallback on older kernels and macOS)
- Routing strategies:
least_conn,round_robin,random,hash - Health-check based backend removal and automatic re-addition on recovery
- Pipeline-aware multiplexing: transactions are pinned to a single backend
Highlights
- New
max_client_connectionsconfig key (was previously undocumented) - TLS passthrough mode for encrypted PostgreSQL connections
- Prometheus metrics: active connections, backend latency histograms
v0.8.0 — November 2024
Distribution + Discovery GA
- Distribution component reaches General Availability
- Raft consensus with full leader election, log replication, and snapshotting
- Anti-entropy repair: background reconciliation detects and fixes diverged replicas
- Discovery component: gossip-based service registry with health monitoring
- Seed-node bootstrapping for zero-config cluster formation
Breaking Changes
distribution.consistencynow acceptsstrong,eventual,read_committed- Discovery
gossip_interval_msrenamed togossip_interval_milliseconds
v0.7.0 — September 2024
CDC GA
- Change Data Capture reaches General Availability
- Four emitter types: Kafka, RabbitMQ, Webhook, stdout
- Dead letter queue for failed emit retries
- Resume tokens for exactly-once delivery after restart
- WAL hook interface available to all 8 database modules
v0.6.0 — July 2024
WeftKitVec GA
- Vector database module reaches General Availability
- HNSW indexing with configurable
ef_constructionandMparameters - DiskANN support for billion-scale indexes (feature flag:
diskann) - Hybrid search: combine ANN with scalar filter predicates
- gRPC API with generated clients for Python, Node.js, Go
v0.5.0 — May 2024
WeftKitGraph + WeftKitFile GA
- Graph module: Bolt (Neo4j) wire protocol, Cypher query subset, 1-hop latency < 100 μs
- FileStore module: S3 REST API, content-addressable storage, deduplication
- Both modules shipped as standalone engine images
v0.4.0 — March 2024
WeftKitDoc + WeftKitMD GA
- Document module: MongoDB Wire Protocol, nested JSON queries, < 50 μs p99
- Markdown module: REST API, full-text search with inverted index, versioning with diff support
v0.3.0 — January 2024
WeftKitKV + WeftKitMem GA
- Key-Value module: DynamoDB REST API, LSM tree storage, TTL support, < 10 μs p99
- In-Memory module: Redis RESP3 protocol, sub-microsecond reads, pub/sub
v0.2.0 — November 2023
WeftKitRel GA
- Relational module reaches General Availability
- PostgreSQL v3 wire protocol — drop-in compatible with psql, psycopg2, node-postgres
- Full MVCC with Read Committed, Repeatable Read, and Serializable isolation
- < 50 μs p99 read latency on commodity NVMe
v0.1.0 — September 2023
Initial Release
- Storage kernel: WAL, MVCC, B+Tree, buffer pool
- Security framework: SecurityContext, RBAC, AES-256-GCM encryption
- Utility crate: SIMD codecs, telemetry, error types
- WeftKitRel alpha
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