Release Notes for tinystruct v1.6.2

New Features and Improvements

1. Model Context Protocol (MCP) Enhancements

• Added new MCP specification with standardized protocol version 1.0.0
• Implemented core features including base, lifecycle, resources, SSE, and JSON-RPC support
• Added session state management for better connection handling
• Improved error handling and response standardization

2. Security Improvements

• Enhanced SQL injection detection in DatabaseOperator
• Improved URL validation and security checks
• Added better error handling for database connections
• Implemented retry mechanism for database operations

3. Resource Management

• Implemented proper resource cleanup using AutoCloseable interface
• Enhanced connection pooling for database operations
• Improved file handling and stream processing
• Better memory management for large operations

4. Cross-Platform Support

• Enhanced command execution support for both Windows and Linux
• Improved path handling for different operating systems
• Better platform detection using Platform utility class
• Native image support for improved performance

5. Dependency Updates

• Updated various dependencies to their latest stable versions:
  • BouncyCastle to 1.80
  • Jakarta Mail to 2.0.1
  • Jakarta Servlet to 6.1.0
  • Netty to 4.1.119.Final
  • SQLite to 3.49.1.0
  • H2 to 2.3.232
  • Mockito to 5.16.1
  • Tomcat Embed to 10.1.39

6. Code Quality Improvements

• Removed deprecated method usage (Runtime.exec, URL constructor)
• Enhanced error handling and logging
• Improved code organization and documentation
• Better parameter validation

7. Performance Optimizations

• Implemented buffered writing for better I/O performance
• Enhanced template processing
• Improved database connection management
• Better memory usage in string operations

8. Developer Experience

• Enhanced error messages and logging
• Improved documentation
• Better debugging support
• More consistent API design

Bug Fixes

• Fixed URL validation issues
• Resolved platform-specific command execution problems
• Fixed resource cleanup issues
• Addressed memory leaks in long-running operations

Breaking Changes

Pattern Initialization Changes

• The pattern initialization system has been completely refactored to provide better URL pattern matching and parameter handling
• Changed how URL patterns are processed and matched, affecting existing route definitions
• Modified the priority system for pattern matching, which may affect the order in which routes are matched
• Updated the pattern group handling system, which may affect how routes are organized and matched

Action Registry Changes

• Modified the ActionRegistry class to use a new pattern matching system
• Changed how actions are registered and matched against URLs
• Updated the parameter type handling system
• Modified the way pattern priorities are calculated

System Requirements

• Java 11 or higher
• Maven 3.6 or higher
• Support for both Windows and Linux environments

Installation

<dependency>
  <groupId>org.tinystruct</groupId>
  <artifactId>tinystruct</artifactId>
  <version>1.6.2</version>
  <classifier>jar-with-dependencies</classifier>
</dependency>

This release focuses on improving security, performance, and cross-platform compatibility while maintaining backward compatibility. The addition of the MCP specification provides a standardized protocol for client-server communication, making it easier to build distributed applications.