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Cline CLI v3.0.39 Changelog

What changed in Cline CLI v3.0.39, released 2026-07-09 — explained in plain English.

TLDR
  • New free AI models are now available to pick from.
  • An old, retired AI model was taken out of the menu.
  • Several bugs were fixed to stop the tool from crashing or losing your work.
  • The app now sends better background data to help developers improve it.

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This release is a solid mix of new choices and behind-the-scenes maintenance. It matters most to people who use Cline for coding, especially those who rely on the ClinePass subscription, because it expands your free options and fixes a few annoying glitches that could mess up your workflow.

What's new

  • Free model choices: You can now select Cline's free AI models right from the model picker menu when using the ClinePass provider. A "provider" is just the service that supplies the AI brainpower.
  • Background system tracking: A background helper program (called a "daemon") now sends back telemetry—anonymous usage data that helps the creators understand how the app is running. This data now includes a specific user ID so they can better track issues.

Improvements

  • Better edit tracking: When you use the str_replace tool to edit code, it now shows accurate "diffs." A diff is just a clear summary of exactly what lines were added or removed, making it much easier to double-check your work.
  • Smarter identity tracking: When Cline talks to its AI providers, it now sends "versioned client-identity headers." This just means it sends a label telling the server exactly which version of the app you're using, which helps the server give you the right response.

Fixes

  • Fixed OpenAI Codex details: The information (metadata) for the OpenAI Codex model under the GPT Subscription provider was wrong, and is now corrected.
  • Fixed memory loss during compaction: "Context compaction" is when the tool shrinks down your chat history to save memory. There was a bug where this process could wipe out the main, official session history. That's fixed now, so your past work stays safe.
  • Removed retired model: The old ClinePass GLM 5.1 model was taken out of the menu since it's no longer supported, keeping your options clean and up-to-date.

Breaking changes

No breaking changes in this release.

This is our plain-language summary. Read the complete, official notes on the Cline CLI official changelog ↗.

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