Changelog

All TruthVouch updates, including API changes, SDK releases, and platform features.

2026-03-15

Added

• Python SDK v1.3.0 — Batch scanning with progress tracking

  • New client.batch.submit() and client.batch.get_status() methods
  • JSONL input format support
  • Webhook callback support for completion notifications
  • Python SDK Quick Start →

• TypeScript SDK v1.2.0 — Full feature parity with Python SDK

  • Streaming response support for all providers
  • Circuit breaker with configurable fail modes
  • Automatic retry with exponential backoff
  • TypeScript SDK Quick Start →

• .NET SDK v1.5.0 — Dependency injection integration

  • ASP.NET Core AddTruthVouch() extension method
  • OpenTelemetry span exports for tracing
  • Built-in circuit breaker with health checks
  • .NET SDK Quick Start →

• Documentation Site — Comprehensive developer guides

  • API Overview →
  • Webhook Documentation →
  • Authentication Guides →
  • Framework integration tutorials (LangChain, LlamaIndex)

Changed

• API Response Format — Consistent envelope for all endpoints

  • All responses now include data and meta fields
  • Pagination metadata in meta object
  • Better error structure for programmatic handling

• Rate Limit Headers — More granular information

  • New header: X-RateLimit-Reset (Unix timestamp)
  • All headers now included in every response (not just on limits)

• Error Codes — Standardized across all SDKs

  • Consistent POLICY_BLOCKED, RATE_LIMIT_EXCEEDED codes
  • Governance details included in error objects

Fixed

• Python SDK — Streaming timeout issue with large responses
• TypeScript SDK — Missing error type exports in type definitions
• .NET SDK — Circuit breaker not resetting after successful requests

Deprecated

• JWT Refresh Token Expiry — Changing from 30 days to 7 days in v2.0
  • Current: 30 days (expiry 2026-06-15)
  • Planned: 7 days (v2.0 release date TBD)
  • Refresh tokens before 7 days for forward compatibility

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2026-03-01

Added

• LangChain Integration v0.5.0

  • VouchedTruthGuard for simple text verification
  • VouchedTruthRetriever for document filtering
  • VouchedTruthCallbackHandler for automatic LLM verification
  • LangChain Integration Guide →

• LlamaIndex Integration v0.4.0

  • VouchedTruthResponseEvaluator for answer verification
  • VouchedTruthNodePostprocessor for retrieval filtering
  • Multi-stage verification workflows
  • LlamaIndex Integration Guide →

• Webhook Events

  • alert.created — Hallucination or PII detected
  • correction.deployed — Correction published
  • certification.issued — Content certified
  • Webhook Events Reference →

Fixed

• Rate Limiting — Concurrent request counting now accurate
• Webhook Retries — No longer retry on 4xx client errors
• Stream Parsing — Fixed race condition in streaming responses

Known Issues

• Go SDK — Still in development, no release yet
• Java SDK — Still in development, no release yet
• SCIM Provisioning — Limited to 1000 users per sync operation

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2026-02-15

Added

• API v1.0.0 — Stable release

  • Governance scanning endpoints
  • Alert management
  • Webhook support
  • Authentication (API keys, JWT, OAuth)

• Python SDK v1.0.0 — General Availability

  • Drop-in provider replacements for OpenAI, Anthropic, Google AI
  • Circuit breaker implementation
  • Error handling with typed exceptions
  • OpenTelemetry integration

• TypeScript SDK v1.0.0 — General Availability

  • Full feature parity with Python SDK
  • Zero runtime dependencies (uses native fetch)
  • Tree-shakeable ESM exports
  • Dual CJS/ESM package support

• .NET SDK v1.0.0 — General Availability

  • DI-first design for ASP.NET Core
  • Support for .NET 9.0+
  • Streaming and batch APIs
  • Comprehensive error handling

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Planned Releases

Q2 2026

• Go SDK v1.0.0 — Full feature parity
• Java SDK v1.0.0 — Full feature parity with Spring Boot starter
• Semantic Kernel Integration v1.0.0 — .NET AI orchestration
• Spring AI Integration v1.0.0 — Java Spring Boot AI

Q3 2026

• API v1.1.0 — Governance policy management endpoints
• API v2.0.0 (planned) — Breaking changes, 6-month deprecation notice
• Vercel AI SDK Integration v1.0.0 — Next.js hook integration
• Self-Hosted Deployment — Docker/Kubernetes support

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SDK Version Support

SDK	Latest	Minimum	EOL
Python	1.3.0	3.9	2027-03
TypeScript	1.2.0	Node 18	2027-03
.NET	1.5.0	.NET 9.0	2027-03
Go	TBD	1.21	TBD
Java	TBD	17	TBD

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API Deprecation Policy

• Breaking Changes — Require major version bump
• Deprecation Notice — 6 months minimum before removal
• Sunset Date — Clearly announced before deadline
• Migration Guide — Provided for all deprecated features

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Feedback & Requests

• Report bugs: GitHub Issues
• Feature requests: Feature Board
• Security vulnerabilities: security@truthvouch.com
• Support: Support Portal

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Archive

Previous releases are archived in:

• GitHub Releases
• PyPI Versions
• npm Versions
• NuGet Versions