Cline: What's New in February 2026
A summary of all updates, new features, and bug fixes released for Cline during February 2026.
New Features in February 2026
- Added Cline SDK API interface for programmatic access to Cline features and tools, enabling integration into custom applications.(v3.67.1)
- Added support for the Codex 5.3 model.(v3.67.1)
- Added support for skills and optional modelId in subagent configuration(v3.67.0)
- Introduced AgentConfigLoader for loading agent configurations from files(v3.67.0)
- Enabled Responses API support for the OpenAI native provider(v3.67.0)
- Added /q command to quit the Command Line Interface (CLI)(v3.67.0)
- Added dynamic flag to adjust banner cache duration(v3.67.0)
- Added Gemini-3.1 Pro Preview model support.(v3.66.0)
- Added the /skills slash command to the CLI for viewing and managing installed skills.(v3.65.0)
- Added zai GLM 5 Free promotion access.(v3.64.0)
- Added zai GLM 5 Free promotion access.(v3.63.0)
- Added Minimax 2.5 Free Promo(v3.59.0)
- Introduced native `use_subagents` tool to replace legacy subagents.(v3.58.0)
- Enabled support for bundling `endpoints.json` so packaged distributions can ship required endpoints.(v3.58.0)
- Added support for parallel tool calling with Amazon Bedrock.(v3.58.0)
- Introduced a new experimental "double-check completion" feature to verify work before marking tasks complete.(v3.58.0)
- Added new task controls/flags to the CLI, including custom `--thinking` token budget and `--max-consecutive-mistakes` for yolo runs.(v3.58.0)
- Added new UI/options (including connection/test buttons) and support for syncing deletion of remotely configured MCP servers via remote config.(v3.58.0)
- Enabled 1M context model options for Claude Opus 4.6 in Vertex / Claude Code.(v3.58.0)
- Added support for ZAI/GLM: GLM-5.(v3.58.0)
- Introduced Cline CLI 2.0, installable via `npm install -g cline`(v3.57.0)
- Enabled access to Anthropic Opus 4.6 model(v3.57.0)
- Enabled access to Minimax-2.1 and Kimi-k2.5 models for a limited-time free promotion(v3.57.0)
- Enabled access to Codex-5.3 model for ChatGPT subscribers(v3.57.0)
Bug Fixes in February 2026
- Fixed an issue with OpenAI Codex by ensuring the `store` parameter is set to `false`.(v3.67.1)
- Corrected path containment checks by using `isLocatedInPath()` instead of unreliable string matching.(v3.67.1)
- Fixed a crash related to reasoning delta when processing usage-only stream chunks(v3.67.0)
- Corrected an issue where OpenAI tool ID transformation was incorrectly restricted to the native provider only(v3.67.0)
- Fixed authentication check failure when operating in ACP mode(v3.67.0)
- Resolved an issue where the CLI yolo setting was being incorrectly persisted to disk(v3.67.0)
- Fixed the inline focus-chain slider to correctly operate within its feature row(v3.67.0)
- Ensured compatibility with Gemini 3.1 Pro(v3.67.0)
- Corrected authentication issues when using the Cline CLI with the ACP flag(v3.67.0)
- Fixed aggressive context compaction caused by accidental clicks on the context window progress bar that silently set a very low auto-condense threshold.(v3.65.0)
- Fixed an infinite retry loop that occurred when write_to_file failed due to a missing content parameter.(v3.65.0)
- Fixed the default Claude model selection.(v3.65.0)
- Restored reasoning trace visibility in chat and improved the thinking row UX so reasoning is visible initially and collapsible after completion.(v3.64.0)
- Restored visibility of the reasoning trace in the chat interface.(v3.63.0)
- Fixed banners not displaying immediately upon extension launch, now showing without requiring user interaction.(v3.62.0)
- Resolved 17 security vulnerabilities, including high-severity Denial of Service (DoS) issues in dependencies like body-parser, axios, qs, and tar.(v3.62.0)
- Fixed UI/UX issues specifically related to the minimax model family.(v3.61.0)
- Fixed issues related to the Minimax model family.(v3.60.0)
- Fixed response chaining when using OpenAI's Responses API(v3.59.0)
- Fixed CLI to correctly handle stdin redirection in CI/headless environments.(v3.58.0)
- Fixed CLI to preserve OAuth callback paths during auth redirects.(v3.58.0)
- Fixed OAuth callback reliability in VS Code Web by generating callback URLs via `vscode.env.asExternalUri`.(v3.58.0)
- Fixed Terminal to surface command exit codes in results and improved long-running `execute_command` timeout behavior.(v3.58.0)
- Fixed UI rendering by adding a loading indicator and fixing `api_req_started` rendering.(v3.58.0)
- Prevented duplicate streamed text rows after task completion during task streaming.(v3.58.0)
- Fixed API to preserve the selected Vercel model when model metadata is missing.(v3.58.0)
- Ensured telemetry flushes on shutdown and routed PostHog networking through proxy-aware shared fetch.(v3.58.0)
- Increased Windows E2E test timeout to reduce flakiness in CI.(v3.58.0)
- Fixed an issue specific to Opus 4.6 when using the bedrock provider.(v3.57.1)
- Fixed issue where the read file tool failed to support reading large files(v3.57.0)
- Resolved crash occurring when entering decimal input in OpenAI Compatible price fields (#8129)(v3.57.0)
- Corrected build complete handlers when updating the API configuration(v3.57.0)
- Fixed missing provider from the model list(v3.57.0)
- Fixed issue where the Favorite Icon/Star was getting clipped in the task history view(v3.57.0)
Improvements in February 2026
- Preconnected the websocket to reduce response latency(v3.67.0)
- Enabled fetching featured models from the backend with a local fallback mechanism(v3.67.0)
- Brought Cline's recommended models from an internal endpoint(v3.67.0)
- Improved the thinking row user experience so reasoning is visible initially and then collapsible after the model completes its response.(v3.63.0)
- Moved "reasoning effort" into model configuration and exposed it in settings for improved UX.(v3.58.0)
- Limited the provider list shown during CLI provider selection to only those remotely configured.(v3.58.0)
- Consolidated the ViewHeader component/styling across different views in the UI.(v3.58.0)
- Added auto-approval support for `attempt_completion` commands in Tools.(v3.58.0)
- The remotely configured MCP server schema now supports custom headers.(v3.58.0)
- Made skills always enabled and removed the corresponding feature toggle setting(v3.57.0)
All Releases in February 2026
v3.67.12 features2 fixesThis release introduces significant new capabilities with the addition of the Cline SDK API for custom application integration and support for the new Codex 5.3 model. Several key bugs were resolved, including a fix related to OpenAI Codex configuration and improved accuracy in path checking.
v3.67.05 features7 fixesThis release introduces significant configuration flexibility by adding support for skills and file-based agent configurations via the new AgentConfigLoader. Key fixes address stability issues, including a reasoning delta crash and compatibility problems with Gemini 3.1 Pro. Users will also benefit from reduced response latency due to websocket preconnection.
v3.66.01 featureThis release introduces support for the new Gemini-3.1 Pro Preview model. Users can now leverage this latest model for their coding tasks. Full details are available in the linked changelog.
v3.65.01 feature3 fixesThis release introduces the new /skills slash command in the CLI, allowing users to easily view and manage their installed skills. Several critical bugs have been resolved, including issues related to context window management, file writing retries, and the default model selection.
v3.64.01 feature1 fixThis release introduces access to the zai GLM 5 Free promotion. A key fix addresses the visibility and usability of the reasoning trace within the chat interface, ensuring users can easily view and collapse the thinking process.
v3.63.01 feature1 fixThis release introduces access to the zai GLM 5 Free promotion. Additionally, the reasoning trace visibility in the chat has been restored and the thinking row UX has been improved for better readability and control over the displayed reasoning.
v3.62.02 fixesThis release focuses primarily on security and stability by resolving 17 security vulnerabilities across several dependencies. Additionally, a minor usability issue was fixed where extension banners no longer require user interaction to appear upon launch.
v3.61.01 fixThis release focuses primarily on stability and user experience improvements. The main visible change is the resolution of UI/UX issues affecting the minimax model family.
v3.60.01 fixThis release focuses on stability and correctness by addressing known issues within the Minimax model family. Users should experience more reliable performance when utilizing these models.
v3.59.01 feature1 fixThis release introduces the Minimax 2.5 Free Promo for users. Additionally, a critical bug affecting response chaining with the OpenAI Responses API has been resolved.
cli-build-024bb65This release is an automated CLI build from a specific commit (024bb65). No specific user-facing features, bug fixes, or improvements were detailed in these release notes beyond the build artifact itself.
v3.58.08 features9 fixesThis release introduces significant new capabilities, including native subagent support, parallel tool calling for Amazon Bedrock, and an experimental double-check feature for task verification. Several critical bugs were fixed across the CLI, VS Code Web, and Terminal, alongside UX improvements like moving reasoning effort into model settings.
cli-build-6278382This release appears to be a routine build update from a specific commit (6278382). No user-facing features or bug fixes were explicitly detailed in these notes, suggesting it might be a maintenance or internal build.
cli-build-a03642bThis release is an automated CLI build from a specific commit (a03642b). No user-facing features, bug fixes, or improvements were explicitly detailed in these release notes.
cli-build-b2bfc3dThis release is an automated CLI build from commit b2bfc3d. No specific user-facing features, fixes, or improvements were detailed in these release notes.
cli-build-6b07e8cThis release appears to be a routine automated build from a specific commit (6b07e8c). No user-facing features, bug fixes, or improvements were explicitly detailed in these notes.
cli-build-4d455eaThis release is a direct build from commit 4d455ea. No specific user-facing features, fixes, or improvements were detailed in these release notes, only the installation instructions for this specific build.
v3.57.11 fixThis minor release focuses on stability by addressing a specific issue related to Opus 4.6 when utilizing the bedrock provider. Users should experience more reliable operation with this configuration.
v3.57.04 features5 fixesThis release introduces Cline CLI 2.0 and expands model availability, adding Anthropic Opus 4.6, Minimax-2.1, Kimi-k2.5, and Codex-5.3. Several critical bugs were fixed, including issues with reading large files and crashes in price input fields, alongside a UX change making skills permanently enabled.