v4.13.8 v0.95.0

Name: deer-flow
Author: bytedance

medium risk

bytedance/deer-flowSep 15, 2026 → Sep 16, 20261 day between releases

What's New

Introduces Plan Mode for planning before execution and performance optimizations

New Features

Plan Mode activated via Shift+Tab for planning before execution

Improvements

Performance improvements for agent, database, and UI operations
Optimized agent to read only the post-summary tail of compacted sessions

Bug Fixes

Fixed UI colorization for to-do tasks while tools run
Fixed TUI spinner freezing when the boot busy probe lands
Fixed session transcript reading off the event loop

Upgrade Notes

Activate Plan Mode by pressing Shift+Tab before execution. No configuration changes are required.

The Two Releases

v4.13.8

Sep 15, 2026· 1 month ago

This release focuses on performance optimizations for JSX/DOM rendering and bug fixes for AWS Lambda streaming, Accept header parsing, and request body caching.

Full release notes

v0.95.0

Sep 16, 2026· 1 month ago

This release introduces a major new feature called Plan Mode, allowing users to plan with the agent before execution, along with various performance optimizations and UI bug fixes.

Full release notes