Changelog

All notable changes to CloudSync SDK are documented here.

[3.4.2] — 2025-01-12

Fixed

• Fixed WebSocket reconnection loop when server returns 503
• Resolved memory leak in long-running watch() iterators
• Corrected HLC timestamp drift on Apple Silicon

[3.4.1] — 2024-12-28

Fixed

• Fixed AsyncCloudSyncClient.disconnect() hanging on Python 3.13
• Resolved conflict resolution bug with nested objects and deep_merge: true

[3.4.0] — 2024-12-15

Added

• MQTT transport support (transport="mqtt")
• Collection.count() method
• Document.history() for revision tracking
• Scoped token creation via client.create_scoped_token()

Changed

• Default retry_backoff increased from 1.0 to 1.5
• Improved MessagePack serialization performance by 40%

Deprecated

• Collection.list() — use Collection.find() instead

[3.3.0] — 2024-11-01

Added

• gRPC transport support
• Custom storage adapter interface
• IP allowlisting for API keys

Removed

• Dropped Python 3.8 support

Fixed

• Fixed race condition in concurrent document.set() calls
• Resolved TLS certificate pinning issue on older Linux distributions

[3.2.0] — 2024-09-15

Added

• Redis storage backend
• Payload compression (zstd)
• client.ping() method

Changed

• Default storage backend changed from in-memory to SQLite

[3.1.0] — 2024-07-20

Added

• Async client (AsyncCloudSyncClient)
• CRDT data types: Counter, Register, Set
• deep_merge configuration option

Fixed

• Fixed document deletion not propagating in offline mode
• Resolved batch sync ordering issue

[3.0.0] — 2024-06-01

Changed

• BREAKING: Renamed SyncClient to CloudSyncClient
• BREAKING: Renamed token= parameter to api_key=
• BREAKING: Renamed put()/remove() to update()/delete()
• BREAKING: Event names changed (see Migration Guide)
• BREAKING: Config file format changed from JSON to YAML

Added

• Collection queries
• WebRTC peer-to-peer transport
• End-to-end encryption
• Hybrid Logical Clocks

Removed

• Removed legacy REST polling transport
• Removed Python 3.7 support

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