v4.15.3

agentsmd/agents.mdv4.15.3Jul 18, 2026by c121914yu

AI Summary

This release focuses on optimization and bug fixes, including updated Docker images, memory efficiency improvements for the completions interface, and fixes for WeChat channel issues and API type compatibility.

Key Highlights

Updated FastGPT App and Pro Docker images to v4.15.3
Optimized memory usage by converting base64 to image links in the completions interface
Fixed WeChat channel rapid polling issues during special exceptions
Restored type compatibility for the v1 API when stream=false and detail=true

New Features

Codex/auth cookie and form result handling
Fix for WeChat outlink empty response delay
Restore 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