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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.1.6] - 2026-03-09

Changed

Trace: Annotation ingest input and output by default

[0.1.5] - 2026-02-26

Changed

Trace: Support config span queue

[0.1.4] - 2026-02-26

Changed

Trace: Support record event when finish and export
Log: Change log prefix

[0.1.3] - 2026-02-24

Added

Trace: Support use custom trace path

[0.1.2] - 2026-02-04

Changed

Trace: Block internal opentelemetry implementation

[0.1.1] - 2026-02-04

Changed

Cozeloop Client: Support get workspace id and token from env

[0.1.0] - 2025-11-11

Added

Initial CozeLoop Java SDK release
Core SDK module (cozeloop-core) with trace reporting and prompt management
Spring Boot starter module (cozeloop-spring-boot-starter) for seamless integration
Trace reporting functionality built on OpenTelemetry SDK
Prompt management with caching and formatting support
Support for Jinja template engine in prompts
AOP annotation @CozeTrace for declarative tracing
OAuth JWT and PAT (Personal Access Token) authentication
Example code demonstrating SDK usage (examples/ directory)
- Initialization examples (PAT, OAuth JWT, error handling)
- Trace examples (simple, parent-child, trace with prompt)
- Prompt examples (prompt hub, Jinja templates)
Comprehensive documentation and README files
- English and Chinese (简体中文) README files
- CONTRIBUTING.md guide
- LICENSE file (MIT License)
- Examples README with detailed usage instructions
Maven multi-module project structure
Checkstyle configuration for code quality

Changed

Trace Export: Improved CozeLoopSpanExporter to export spans in batches of 25 to remote server
- Spans are now automatically split into batches of 25 before sending to CozeLoop platform
- Enhanced error handling: individual batch failures don't prevent other batches from being exported
- Improved logging with batch-level statistics and detailed error reporting
- Better resilience and observability for trace export operations

Features

Trace Reporting: Automatic batch reporting of traces to CozeLoop platform
- Multi-level batching: OpenTelemetry BatchSpanProcessor + custom 25-span batches
- Robust error handling with per-batch failure isolation
- Comprehensive logging for monitoring and debugging
Prompt Management: Pull, cache, and format prompts from the platform
Spring Boot Integration: Auto-configuration and AOP support
Thread-Safe: All core components are thread-safe
Java 8+ Compatible: Wide compatibility with Java 8 and above