---
title: V4.9.8
description: FastGPT V4.9.8 Release Notes
---

## Upgrade Guide

### 1. Back Up Your Data

### 2. Update Image Tags

- Update FastGPT image tag: v4.9.8
- Update FastGPT Pro image tag: v4.9.8
- mcp_server: no update required
- Sandbox: no update required
- AIProxy: no update required

## New Features

1. Support for parallel tool call execution.
2. All built-in tasks switched from non-stream mode to stream mode to avoid compatibility issues with models that don't support non-stream mode. To override, you can force `stream=false` in the model's `Extra Body` parameters.
3. Qwen3 model presets.
4. Yuque knowledge base now supports setting a root directory.
5. Configurable password expiration — users will be forced to change their password on next login after expiration.
6. Password login now includes preLogin temporary key verification.
7. Admin panel now supports configuring visibility of publishing channels and third-party knowledge bases.

## Improvements

1. Chat log list optimization to prevent memory overflow with large datasets.
2. Token calculation worker is now preloaded to prevent thread blocking from concurrent creation during main tasks.
3. Workflow node version control UI improvements.
4. Web fetch and html2md optimization: now supports video and audio tag conversion.

## Bug Fixes

1. App list / knowledge base list: incorrect permission display for delete row actions.
2. Opening knowledge base search parameters automatically enabling the rerank option.
3. Incorrect API request format for LLM json_schema mode.
4. Expired image indexes not properly cleared during retraining, causing image loss.
5. Retraining permission issues.
6. Documentation link URLs.
7. Claude tool calls failing due to empty index values.
8. Nested workflows with interactive nodes inside tool calls causing abnormal flow behavior.
