Issues

• Kernel websocket fails with "Server sent no subprotocol"; kernel dies on start (Windows, 0.9.7)

  googlecolab/colab-vscode#743 · Filter by author Kjanray opened on Oct 26, 2026

• Downloading a ~445 MiB file fails with “Cannot create a string longer than 0x1fffffe8 characters”

  bug
  googlecolab/colab-vscode#741 · Filter by author digi-lad opened on Oct 22, 2026

• Colab Terminal Forward Agent

  enhancement
  googlecolab/colab-vscode#716 · Filter by author jasonrichdarmawan opened on Sep 21, 2026
  1

• Not showing up in "Manage colab sessions" and Unable to terminate

  enhancementneed more info
  googlecolab/colab-vscode#656 · Filter by author TKojar opened on Jul 29, 2026
  1

• Colab never activates

  need more info
  googlecolab/colab-vscode#597 · Filter by author Joseph-pb opened on May 10, 2026
  1

• Add auto-refresh support for the remote file tree

  enhancement
  googlecolab/colab-vscode#589 · Filter by author lndmanh opened on Apr 28, 2026
  3

  

• stale Colab workspace folders can remain after mixed server-removal batches

  googlecolab/colab-vscode#568 · Filter by author dhunganapramod9 opened on Apr 21, 2026

• Pick matching kernel based on file metadata

  enhancement
  googlecolab/colab-vscode#443 · Filter by author coezbek opened on Feb 25, 2026

• Expose Colab runtimes to Chat.

  bug
  googlecolab/colab-vscode#433 · Filter by author namevinu opened on Feb 21, 2026
  3

• Unable to connect to the Julia kernel (Python kernel works)

  bug
  googlecolab/colab-vscode#431 · Filter by author Raycosine opened on Feb 19, 2026
  2

• Timeout flake on GET kernels call.

  bugneed more info
  googlecolab/colab-vscode#427 · Filter by author gregoryagu opened on Feb 17, 2026
  1

• Antigravity agents cannot access colab files with Mount Server To Workspace

  enhancement
  googlecolab/colab-vscode#426 · Filter by author LongHung-Pham opened on Feb 15, 2026

• Extension activation failure.

  bugneed more info
  googlecolab/colab-vscode#405 · Filter by author Saqlain-ch opened on Feb 9, 2026
  10

• Hitting OPENSSL_internal:BAD_DECRYPT error on call to v1/user-info.

  bugneed more info
  googlecolab/colab-vscode#356 · Filter by author imBlanker opened on Jan 16, 2026
  2

• Colab option unavailable in Python Interactive window.

  bugneed more info
  googlecolab/colab-vscode#338 · Filter by author galfredoJDP opened on Dec 25, 2025
  2

• Support inline TensorBoard display in VSCode Jupyter Notebook via the %tensorboard magic command

  enhancement
  googlecolab/colab-vscode#306 · Filter by author adamhadani opened on Dec 9, 2025

• A handful of google.colab libraries (e.g. userdate.get) are unsupported (for now!)

  bug
  googlecolab/colab-vscode#215 · Filter by author kingychiu opened on Nov 14, 2025
  6

• Colab-server-powered language support (LSP).

  enhancement
  googlecolab/colab-vscode#214 · Filter by author JagjeevanAK opened on Nov 14, 2025
  8

• Unable to connect to remote server (ENOTFOUND).

  bug
  googlecolab/colab-vscode#206 · Filter by author gogasca opened on Nov 13, 2025
  5

• Notebook unresponsive after server is removed.

  blockedbug
  googlecolab/colab-vscode#200 · Filter by author kevineger opened on Nov 10, 2025
  3