v1.2.7: Major Architecture Refactoring, Julia Support, Kilo Provider
Release Date: 2026-02-19
This version is a major底层 architecture refactoring, migrating file system operations from Bun-specific APIs to standard Node.js modules, while bringing multiple new features: Julia language server, Kilo native provider, Claude/Gemini thinking mode enhancements, etc.
🎯 One-Sentence Summary
Migrated底层 from Bun to Node.js standard file system for better stability and compatibility; added Julia support, Kilo provider, Gemini 3.1 thinking mode.
✨ New Features
🔧 Julia Language Server Support
OpenCode can now provide intelligent completion, go-to-definition, and other features for Julia code.
How to use: Open OpenCode in a Julia project, and Julia LSP will be automatically enabled.
Who benefits: Julia developers, data scientists.
🤖 Kilo Native Provider
Added Kilo as a native AI model provider for OpenCode.
How to use: Find the Kilo option in the login selector.
Who benefits: Users who want to try new model providers.
🧠 Gemini 3.1 Medium Reasoning Support
Added medium reasoning support for Gemini 3.1.
How to use: When using Gemini 3.1, you can enable thinking mode in configuration.
Who benefits: Users who need AI to perform deeper reasoning.
📁 File System Migration (Bun → Node.js)
Migrated all file operations from Bun.file() to standard Filesystem module. This is a backend change, no user action required.
Benefits: Better cross-platform compatibility, more stable file operations.
🔧 Shell Hook Enhancement
shell.env hook now receives sessionID and callID parameters for easier tracking and debugging.
// hook input now includes
{
"sessionID": "xxx",
"callID": "xxx"
}Who benefits: Developers creating custom plugins and hooks.
🔌 Plugin Authentication Provider Visibility
Plugin authentication providers now appear in the login selector.
Who benefits: Users of enterprise plugins.
🐛 Bug Fixes
Terminal Rendering and Interaction Fixes
Fixed terminal rendering and interaction issues, including terminal crosstalk problems.
Text Files Misclassified as Binary
Fixed the issue where certain text files were incorrectly identified as binary.
SQLite Migration Improvements
- Added WAL checkpoint to optimize database performance
- Improved ID derivation logic during JSON migration
opencode run Crash Fix
Fixed opencode run command crash issue and now displays error tool calls in output.
Clojure Syntax Highlighting
Fixed syntax highlighting issues for Clojure files.
Terraform LSP Installation
Now uses HashiCorp official API to install terraform-ls for better reliability.
GitHub Context Overflow
When GitHub context is too large, a PROMPT_TOO_LARGE error prompt is now issued.
🖥️ Desktop Updates
WSL Japanese Translation
Updated Japanese translations for WSL integration.
Sidecar Server Window Fix
Fixed the issue where sidecar would pop up a window on Windows.
Terminal Disconnect and Resync
Terminal can now correctly recover and resync after disconnection.
Other UI Adjustments
- Fixed flickering when switching tabs
- Optimized title bar button styles
- Improved file tree icon display (monochrome by default, color on hover)
- Added Shift+Tab keyboard shortcut
- Fixed macOS Escape key handling
🖥️ TUI Updates
New Session Banner
Displays a banner with logo and project details when starting a new session.
Session List Performance
--max-count parameter now correctly limits the number of sessions displayed.
GitHub Action Branch Detection
Improved GitHub Action branch detection and handles 422 errors.
📊 Should You Upgrade?
| Situation | Recommendation |
|---|---|
| Using Julia for development | ✅ Highly recommended |
| Want to use Kilo provider | ✅ Recommended |
| Experiencing terminal issues | ✅ Recommended |
| Everything works fine | ⚪ Optional upgrade |
⬆️ Upgrade Command
opencode upgrade📋 Technical Details
Click to expand full changelog
Core
- Fixed terminal rendering and interaction issues
- Normalize file status paths relative to instance directory
- Migrate from Bun.Glob to npm glob package
- Bump AI SDK packages for Google, Google Vertex, Anthropic, Bedrock
- Add support for medium reasoning with Gemini 3.1
- Remove use of Bun.file
- Text files misclassified as binary - fixed
- Bake in AWS and Google authentication packages
- Token substitution in OPENCODE_CONFIG_CONTENT now works
- Add Julia language server support
- Bump GitLab AI provider to 3.6.0 for Sonnet 4.6
- Add Kilo as a native provider
- Fix Clojure syntax highlighting
- Recover state after SSE reconnect
- Keep message part order stable
TUI
- Ensure onExit callback fires after terminal output
- Exit cleanly without hanging after session ends
- Style scrollbox for permission and sidebar
- Display new session banner with logo and project details
Desktop
- Update Japanese translations for WSL integration
- Fixed sidecar spawning a window on Windows
- Terminal disconnect and resync functionality fixed
- UI no longer flashes when switching tabs