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---
title: V4.8.8 (Includes Migration Script)
description: FastGPT V4.8.8 Release Notes
---
## Upgrade Guide
### 1. Back up your database
### 2. Update images
- Update the fastgpt image tag to v4.8.8-fix2
- Update the commercial edition image tag to v4.8.8
### 3. Run initialization
From any terminal, send an HTTP request. Replace `{{rootkey}}` with the `rootkey` from your environment variables, and `{{host}}` with your **FastGPT domain**.
```bash
curl --location --request POST 'https://{{host}}/api/admin/initv488' \
--header 'rootkey: {{rootkey}}' \
--header 'Content-Type: application/json'
```
This will initialize inherited permissions for Knowledge Bases.
-------
## V4.8.8 Release Notes
[View full release notes](https://github.com/labring/FastGPT/releases/tag/v4.8.8)
1. New - Restructured system plugin architecture. Community members can now submit system plugins via PR. See: [How to Submit System Plugins to the FastGPT Community](https://fael3z0zfze.feishu.cn/wiki/ERZnw9R26iRRG0kXZRec6WL9nwh).
2. New - DuckDuckGo system plugin.
3. New - Lark webhook system plugin.
4. New - Revamped variable input method. Prompt input fields and all Textarea inputs in workflows now support typing `/` to trigger variable selection, allowing you to directly pick any upstream output value without dynamic imports.
5. Commercial - Knowledge Base permission inheritance.
6. Improved - Mobile quick app switching interaction.
7. Improved - Node icons.
8. Improved - Added a dedicated copy button to chat references for easier copying. Added collapsible reference content.
9. Improved - Upgraded OpenAI SDK with a custom Whisper model interface (the SDK's built-in Whisper interface doesn't seem to work well with standard FastAPI endpoints).
10. Fixed - Permission table declaration issue.
11. Fixed - Parallel execution nodes not recording run time correctly.
12. Fixed - Run details not displaying nested node information correctly.
13. Fixed - Simple Mode failing to load Knowledge Base configuration on first entry.
14. Fixed - Log debug level configuration not taking effect.
15. Fixed - When running plugins standalone, plugin input values were being variable-substituted, potentially causing downstream node variable issues.