Windsurf, the AI-native editor from Cognition, has launched Wave 13, introducing parallel processing capabilities for its Cascade coding agent. The update aims to enhance team collaboration by enabling multi-agent sessions and integrating Git worktrees, allowing multiple agents to operate within the same repository without conflicts. This release also makes the SWE-1.5 model the default and offers it free for the next three months.
Windsurf shipped Wave 13, which integrates parallel work capabilities into its Cascade coding agent. Key features in this release include multi-agent sessions and Git worktree support. The new layout permits docking multiple Cascade sessions in panes or tabs, facilitating agent monitoring. Additionally, Wave 13 introduces a context window indicator and Cascade Hooks, which allow users to run custom commands at specific workflow points. For enterprise clients, rules and workflows can be deployed via MDM policies. The release also includes the Cascade Dedicated Terminal in beta, which runs agent commands in a dedicated zsh profile on Windsurf Stable for macOS users, providing interactive prompts and access to .zshrc environment variables as an opt-in feature. Concurrently, the SWE-1.5 model has become the default for all users and will be available free of charge for the next .
The core of Wave 13’s team-centric enhancements lies in its Git worktree support. This functionality allows each Cascade agent to operate on its own branch, checked out into a separate directory while sharing the overarching Git history. This design is intended to minimize conflicts when multiple agents are modifying the same repository. The Cascade Dedicated Terminal beta provides a specialized environment for agent commands, distinct from the user’s default shell, ensuring consistent execution and access to necessary environment variables. According to Windsurf, the SWE-1.5 model maintains the same stated SWE-Bench-Pro coding performance as previous versions.
Windsurf states that Wave 13 targets development teams seeking to run multiple Cascade agents within the same repository without encountering conflicts. The enhancements, such as multi-agent sessions and Git worktrees, aim to streamline collaborative coding workflows. Developers, including Avi Schiffmann, have reportedly praised Windsurf‘s “flow-first UX,” and Wave 13 builds upon this by providing tools for more efficient parallel development. The provision of SWE-1.5 as a free default model for a limited period appears to be a strategy to broaden its adoption and demonstrate its capabilities.
The specific launch date for Wave 13 was not disclosed in the announcement. While SWE-1.5 is free for the next , the exact end date of this promotional period was not provided. Specific figures regarding user adoption or performance metrics for the new features were also not released.
Users of the Windsurf AI-native editor can immediately access the Wave 13 features, including the new multi-agent sessions and Git worktree support. The Cascade Dedicated Terminal remains in beta, suggesting potential future iterations based on user feedback. The free availability of the SWE-1.5 model for a period may lead to increased adoption and evaluation of its coding performance by a wider user base.
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