Copilot Base Extension Final Version | Generated by AI

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The search results show enough information to answer this question. Let me now look at the key data points. The GitHub.copilot (base, not chat) extension uses a very low VS Code engine minimum (like 1.103.0), so any version released around VS Code 1.106.3’s timeframe (November 25, 2025) would work. The VsixHub search showed GitHub Copilot v1.388.0 was updated October 25, 2025 (requiring VS Code 1.103.0+). I need to find what version was released around the time of VS Code 1.106.3.Now I have a comprehensive picture. Let me put this all together into a clear answer.

Key facts gathered:

  1. VSCode 1.106.3 was released on November 25, 2025.

  2. Around the time of VS Code 1.106, Microsoft announced that the GitHub.copilot extension (for inline/ghost text suggestions) was being deprecated, with its functionality moved into the Copilot Chat extension. The post stated: “The GitHub Copilot extension will be deprecated by early 2026, which means it will be removed from the VS Code Marketplace.”

  3. The last known version of the base GitHub.copilot VSIX tracked by VsixHub was v1.388.0, updated October 25, 2025, requiring VS Code 1.103.0 and up. No newer version of the base GitHub.copilot extension was released after October 25, 2025 — making v1.388.0 the last version available when VS Code 1.106.3 was released.

  4. The version history on VsixHub confirms v1.388.0 is the latest, and the previous entry was v1.387.0 updated October 22, 2025. No versions were released in November 2025 for the base GitHub.copilot extension.

Question: When VS Code 1.106.3 was released, what was the latest compatible GitHub.copilot (not github.copilot-chat) VSIX extension version?

Answer:

VS Code 1.106.3 and GitHub Copilot (Base) Extension

VS Code 1.106.3 was released on November 25, 2025 as the third recovery/patch release of the October 2025 (v1.106) cycle.

Important Context: GitHub Copilot Extension Deprecation

Right around the VS Code 1.106 release window, Microsoft announced that the GitHub.copilot (base) extension was being deprecated and would be removed from the VS Code Marketplace by early 2026. The inline suggestion functionality was open-sourced and merged into the GitHub.copilot-chat extension, meaning all Copilot functionality was being unified into a single extension.

Latest Compatible github.copilot.vsix Version

The last released version of the base GitHub.copilot extension is v1.388.0, which was updated on October 25, 2025. It requires VS Code 1.103.0 and up, meaning it is fully compatible with VS Code 1.106.3.

The version history confirms that no new releases of the base GitHub.copilot extension were published after v1.388.0 (October 25, 2025). The preceding release was v1.387.0 on October 22, 2025. This means when VS Code 1.106.3 shipped on November 25, 2025, v1.388.0 was already the last-ever version of the base extension.

Summary

Item Detail
Extension GitHub.copilot (base, inline suggestions)
Latest version at time of VSCode 1.106.3 v1.388.0
Released October 25, 2025
VS Code engine requirement 1.103.0 and up
Compatible with 1.106.3? ✅ Yes
Status Deprecated (last ever release)

You can download it directly via the Marketplace API:

https://marketplace.visualstudio.com/_apis/public/gallery/publishers/GitHub/vsextensions/copilot/1.388.0/vspackage

References:

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