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v4.15.3

krahets/hello-algov4.15.3Jul 18, 2026by c121914yu

AI Summary

This release focuses on optimizing memory usage within the completions interface and resolving specific bug fixes related to WeChat channels and V1 API compatibility.

Key Highlights

  • Optimized completions interface memory by converting base64 to image links to reduce consumption.
  • Fixed rapid polling loops in the WeChat publishing channel caused by special interface exceptions.
  • Restored type compatibility for the V1 interface when stream=false and detail=true.
  • Updated FastGPT App and Pro Docker images to version v4.15.3.

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