v4.15.3

yamadashy/repomixv4.15.3Jul 18, 2026by c121914yu

AI Summary

Updates FastGPT Docker images and optimizes the completions API to convert base64 to image links, reducing memory consumption during workflow execution.

Key Highlights

Update FastGPT main service and commercial version images to v4.15.3.
Optimize completions interface: non-base64 mode converts base64 to image links to reduce memory usage.
Fix WeChat channel special exceptions causing rapid polling.
Restore type compatibility for v1 interface with stream=false and detail=true.

New Features

Memory optimization for the completions interface.

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