v4.15.3

labring/FastGPTv4.15.3Jul 18, 2026by c121914yu

AI Summary

Updates Docker images and fixes issues with WeChat channel polling and v1 API value types.

Key Highlights

Updated fastgpt-app and fastgpt-pro images
Fix for WeChat channel special exception polling
Restored v1 completion value types

Full Release Notes

## 📦 升级指南

### 镜像变更

- 更新 fastgpt-app(fastgpt 主服务) 镜像 tag: v4.15.3
- 更新 fastgpt-pro(fastgpt 商业版) 镜像 tag: v4.15.3

## ⚙️ 优化

1. completions 接口如果设置了不使用 base64 模式，会把接口传入的 base64 转成图片链接，减少工作流运行过程内存消耗。

## 🐛 修复

1. 微信发布渠道，微信接口特殊异常时，会导致快速轮询。
2. v1 接口 stream=false,detail=true，补回 type 兼容。

## What's Changed
* Codex/auth cookie and form result by @c121914yu in https://github.com/labring/FastGPT/pull/7326
* fix(outlink/wechat): 空响应时续链延迟 10s，避免热循环刷屏 by @xqvvu in https://github.com/labring/FastGPT/pull/7327
* fix(chat): restore v1 completion value types by @c121914yu in https://github.com/labring/FastGPT/pull/7330


**Full Changelog**: https://github.com/labring/FastGPT/compare/v4.15.2...v4.15.3