> ## Content Index
> Fetch the complete content index at: https://www.testingcatalog.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# Windsurf Wave 13 brings free SWE-1.5 and new upgrades
- URL: https://www.testingcatalog.com/windsurf-wave-13-brings-free-swe-1-5-and-new-upgrades/
- Published: 2025-12-25T18:30:34.000Z
- Updated: 2025-12-25T18:30:34.000Z
- Description: Windsurf’s Wave 13 release delivers parallel Cascade agent sessions, Git worktree branch isolation, and a new multi-pane layout.
- Author: Alexey Shabanov
- Tags: Windsurf, AI Announcements, Latest AI News

Windsurf has shipped Wave 13, moving its Cascade coding agent into parallel work. The release adds multi-agent sessions, Git worktrees, and a layout that lets you dock multiple Cascade sessions in panes or tabs to monitor agents side by side.

Git worktree support is the backbone: each agent can work on its own branch checked out into a separate directory while sharing Git history, reducing conflicts when several agents touch the same repo. Wave 13 also adds a context window indicator plus Cascade Hooks to run custom commands at key workflow points. Enterprises can deploy rules and workflows via MDM policies.

> Introducing Wave 13: Shipmas Edition 🎅  
>  
> \- SWE-1.5 Free: The full intelligence of SWE-1.5 at standard throughput, for free for the next 3 months  
> \- True parallel agents with Git Worktrees + multi-pane and multi-tab Cascade  
> \- Dedicated terminal for more reliable command execution… [pic.twitter.com/JmMBlTUUXg](https://t.co/JmMBlTUUXg?ref=testingcatalog.com)
> 
> — Windsurf (@windsurf) [December 24, 2025](https://twitter.com/windsurf/status/2003925433352364068?ref%5Fsrc=twsrc%5Etfw&ref=testingcatalog.com)

It also introduces the Cascade Dedicated Terminal (beta). Instead of the user’s default shell, agent commands run in a dedicated zsh profile, including interactive prompts and access to .zshrc environment variables. On Windsurf Stable, it is opt-in on macOS by disabling the legacy terminal profile. SWE-1.5 is free for all users for the next three months, with the same stated SWE-Bench-Pro coding performance, and it becomes the default model now.

[Windsurf](https://www.testingcatalog.com/tag/windsurf/) is the AI-native editor from Cognition, built around the Cascade agent and Tab-based autocomplete, with a standalone Editor plus IDE integrations. Developers such as Avi Schiffmann have praised its flow-first UX, and Wave 13 targets teams that want multiple agents running in the same repo without stepping on each other.

[Source](https://windsurf.com/blog/windsurf-wave-13?ref=testingcatalog.com)