> ## Documentation Index
> Fetch the complete documentation index at: https://docs.veadk.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

This page records user-visible capabilities in VeADK Go `v2.0.0`. `v2.0.0` is the first stable release of the V2 version line.

## v2.0.0

| Module | Change | Link |
| - | - | - |
| Version lines | The module path is now `github.com/volcengine/veadk-go/v2` with ADK dependency `google.golang.org/adk/v2`. V2 contains breaking changes required by ADK v2 and A2A v2. | [Overview](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en.md) |
| Installation | Pin `go get github.com/volcengine/veadk-go/v2@v2.0.0` and use V2 import paths. | [Installation](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/get-started/installation.md) |
| Agents | Create agents with `agent/llmagent.New`, supporting model configuration, tools, knowledge bases, long-term memory, PromptManager, and Skills discovery. | [Models and Agents](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/agent/model.md) |
| Execution | Use `runner.RunText`, `runner.Run`, `runner.UserParts`, `runner.UserBytes`, and `runner.UserURI` for plain text, multi-part, multimodal, and event-stream invocation. | [Runner and Execution](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/agent/runtime.md) |
| Tools | Provides function tools, Web Search, Link Reader, MCP Router, Run Code Sandbox, Skills Sandbox, and media generation tools. | [Tools](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/tools.md) |
| Short-term sessions | Provides in-memory, SQLite, PostgreSQL, and MySQL backends. | [Short-term Sessions](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/session.md) |
| Long-term memory | Provides local, Viking, Mem0, Redis, and OpenSearch backends with auto-save support. | [Long-Term Memory](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/memory.md) |
| Knowledge base | Provides local, Viking, OpenSearch, and Redis backends. | [Knowledge Base](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/knowledge.md) |
| Observability | Built on OpenTelemetry, supporting stdout, file, OTLP, APMPlus, Cozeloop, and TLS exporters. | [Observability](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/components/observability.md) |
| Deployment | Wrap agents as HTTP services through AgentKit Server App. | [Deploy to AgentKit](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/deploy/agentkit.md) |

## V1

| Module | Change | Link |
| - | - | - |
| V1 maintenance line | Visible V1 releases currently include `v1.0.0` and `v1.0.1`. Existing V1 projects continue to use the module path without `/v2`. | [Installation](https://docs.veadk.xyz/productions/veadk-go/archives/2.0.0/en/get-started/installation.md) |


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