---
title: "iolys 2026 September Update 1: custom agents and provider improvements"
description: "Reuse your own agents, get faster Codex responses, and search the web in chat with iolys 2026 September Update 1 for Visual Studio."
language: "en"
url: "https://getiolys.com/blog/2026/09/05/iolys-september-update-1-agents-codex-fast-mode"
date: "2026-09-05"
updated: "2026-09-08"
author: "J\u00E9r\u00F4me Giacomini"
release_id: "2026-september-update-1"
layout: "release-notes"
release_title: "2026 September Update 1"
tags: ["iolys updates","Codex","Kimi","DeepSeek","Kiro",".NET","C#","Visual Studio 2026"]
---

# 2026 September Update 1

:::: feature

![Animated pointer clicking + in the agent selector to start creating a custom agent.](https://getiolys.com/blog/media/2026/iolys-september-update-1-agents-codex-speed-mode/images/custom-agents-demo.gif)

### Create your own custom agents

Your instructions. Your tools. **Ready for every conversation.** Create your own agent once and share it with your team—no repeated setup.

::: details Details

Click **+** to create an agent. Share it through `.github/agents`.

:::

::::

:::: feature

![Codex model options with the Fast setting selected.](https://getiolys.com/blog/media/2026/iolys-september-update-1-agents-codex-speed-mode/images/codex-fast-mode.png)

### ![Codex logo](https://getiolys.com/img/providers/codex.webp) Codex Fast mode

Get faster responses with Codex Fast mode so you **spend less time waiting**. Enable it for each conversation on supported models and accounts.

::: details Details

Open **Model options** and enable **Fast**.

:::

::::

:::: feature

![The iolys welcome page with provider setup, community links, and feature cards.](https://getiolys.com/blog/media/2026/iolys-september-update-1-agents-codex-speed-mode/images/welcome-experience.png)

### A guided first start

Connect your provider and discover the main features from one welcome page. **Find what you need to get started** without searching through menus.

::: details Details

Learn how to give the agent context from your solution, run tasks in parallel, and customize your workspace.

:::

::::

## Also improved

- ![Kimi logo](https://getiolys.com/img/providers/kimi.webp){width=24 height=24} **Kimi** · Use K3 models with reasoning support directly in iolys, **without leaving your workspace**.
- ![DeepSeek logo](https://getiolys.com/img/providers/deepseek.webp){width=24 height=24} **DeepSeek** · Search the web in your conversation to **find current information without switching to a browser**. Follow the search progress in Chat.
- ![Kiro logo](https://getiolys.com/img/providers/kiro.webp){width=24 height=24} **Kiro** · Use K3 models with reasoning support directly in iolys, **without leaving your workspace**.
- **Tools** · Your provider's built-in tools now appear in the Tools window, so you can **see which tools are available in one place**.
- **Startup** · iolys starts faster, so you can **begin working sooner**.