# Devin: session folders, mid-session Ultra/Fast toggles, custom OAuth for MCP servers

> Devin adds session folders for sidebar organisation, lets users switch between Ultra and Fast modes mid-session via Slack, and supports custom OAuth credentials for Marketplace MCP servers. Also includes smarter emoji reactions, markdown file preview in worklog, and a web search enterprise toggle.

| | |
|---|---|
| **Tool** | Devin |
| **Version** | — |
| **Kind** | release |
| **Published** | 2026-06-12 |
| **Observed** | 2026-08-21 |
| **Significance** | 3/5 |
| **Breaking** | no |
| **Categories** | feature, capability |

## What changed


- **Session Folders**: group sessions into named folders in the sidebar via drag-and-drop or the three-dot menu. Folders are per-user.
- **!ultra and !fast mid-session toggles**: start Devin Ultra from Slack with `!ultra`, or switch between Ultra and Fast mid-session from the Slack thread.
- **Smarter emoji reactions**: Devin now only adds sleep/archive emoji reactions to explicit sleep or archive commands.
- **Custom OAuth for Marketplace MCP servers**: organisation-specific OAuth client credentials can be configured from the integrations page.
- **Markdown file preview in worklog**: markdown files now render with a preview toggle.
- **Web Search enterprise setting**: enterprise admins can toggle Devin's web search capability.
- **"Users" tab renamed to "Members"** for clarity.


## Sources

- [page_diff](https://docs.devin.ai/release-notes/overview#june-12-2026) — retrieved 2026-08-21


## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

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Canonical: https://changelogs.info/devin/devin-session-folders-mid-session-ultra-fast-toggles-custom-oauth-for-mcp-server
Entity: https://changelogs.info/devin
Event ID: `evt_2026-06-12_devin_june-12-2026`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.