The Python extension does offer some support when running on vscode.dev (which includes github.dev).

April 23, 2021 - I searched for this error and it was solved with newer version of the Python extension. Though, I have the newest versions installed and still have this problem. Environment data VS Code version: 1.55.2 Extension version (available under...

May 10, 2019 - unfortunately this issue has not been completely fixed: I just updated to the latest vscode: Version 1.33.1 (1.33.1) and the "Python extension loading" has been stuck for the last 3 hours, and I am staring at my source code. None of the ...

December 29, 2020 - When I add a new extension, I can run "ps -eaf | grep "python3.7" and see over 50 new Python 3.7 processes appear and the Mac Bartender app will show both cores almost maxed out. If I then close the project and close and reopen Code, all extensions (including the Python extension) will load in approximately 2 seconds.

Step 2. Install the Python extension for Visual Studio Code.

February 8, 2021 - The impact I see is that the problem with loading the Python extension is that it blocks other extensions from delivering their expected effect. The most noticeably affected one is the Vim Emulator -- meaning that I can't type interactively as expected. If VSCode opens with a Python file in ...

December 15, 2020 - Value of the python.languageServer setting: Pylance · Message disappears and extension eventually loads. Message doesn't disappear, extension doesn't load, "Extension host terminated unexpectedly" message appears. Start VSCode · Select a python file to trigger the extension loading.

June 30, 2019 - Jedi or Language Server? (i.e. what is "python.jediEnabled" set to; more info How to update the language server to the latest stable version #3977): Jedi enabled · Extension should load and function.

April 6, 2020 - Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python) ... Output from Console under the Developer Tools panel (toggle Developer Tools on under Help; turn on source maps to make any tracebacks be useful by running Enable source map support for extension debugging) configurationModels.ts:314 Conflict in settings file vscode-userdata:/home/robert/.config/Code/User/settings.json: Ignoring python.diagnostics.sourceMapsEnabled as python is "python3" (anonymous) @ configurationModels.ts:314 configurationModels.ts:314 Conflict in settings file vscode-userdata:/home/robert/.config/Code/User: Ignoring python.diagnostics.sourceMapsEnabled as python is "python3" (anonymous) @ configurationModels.ts:314 notificationsAlerts.ts:40 Extension activation failed, run the 'Developer: Toggle Developer Tools' command for more information.

January 5, 2023 - Type: Bug Upgraded to last version today and have multiple notifications related to Python. The "Python extension loading..." never ends Extension version: 2022.20.1 VS Code version: Code - Insiders 1.75.0-insider (79c4f9b, 2023-01-05T05...

July 24, 2019 - Than restart VS Code & extension is not properly loaded. Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

January 12, 2019 - The "Python extension loading..." message at the bottom should disappear and the extension should be usable · The message last forever and the extension isn't usable · Install the Python extension NB : Also happens when launch as an administrator; after re-installing extension/vscode

March 11, 2026 - There was an error while loading. Please reload this page. ... Add environment discovery logging and messages when using Python Environments extension by @eleanorjboyd in #25830

Working with Python in Visual Studio Code, using the Microsoft Python extension, is simple, fun, and productive. The extension makes VS Code an excellent IDE, and works on any operating system with a variety of Python interpreters.

September 18, 2021 - Endless loading of extension · Install Python · Install VSCode · Add Python extension · Try new python file in empty folder · Logs&Settings.zip · No one assigned · bugIssue identified by VS Code Team member as probable bugIssue identified by VS Code Team member as probable bug ·

September 4, 2025 - Type: Bug python extension is always loading，python files cannot run。。。 VS Code version: Code 1.103.2 (6f17636, 2025-08-20T16:45:34.255Z) OS version: Windows_NT x64 10.0.26100 Modes: System Info It...

August 13, 2025 - npm i @vscode/python-extension · github.com/Microsoft/vscode-python · github.com/microsoft/vscode-python/tree/main/pythonExtensionApi · 4,150 · 1.0.6 · MIT · 20.5 kB · 6 · 5 months ago · vscode-bot · microsoft1es · Try on RunKit ·

UPDATE: I found https://github.com/microsoft/vscode-python/issues/15445 and now understand that I should use the CONSOLE-stuff from Help > Toggle Developer Tools. This reveals: *** Extension activation failed, run the 'Developer: Toggle Developer Tools' command for more information.

March 1, 2021 - [2021-03-01 14:38:18.235] [exthost] [info] extension host started [2021-03-01 14:38:18.502] [exthost] [info] ExtensionService#_doActivateExtension ms-toolsai.jupyter {"startup":false,"extensionId":{"value":"ms-toolsai.jupyter","_lower":"ms-toolsai.jupyter"},"activationEvent":"onLanguage:python"} [2021-03-01 14:38:18.502] [exthost] [info] ExtensionService#loadCommonJSModule file:///home/bbolte/.vscode-server-insiders/extensions/ms-toolsai.jupyter-2021.3.600686576/out/client/extension [2021-03-01 14:38:18.685] [exthost] [info] ExtensionService#_doActivateExtension vscode.debug-auto-launch {"star

August 16, 2024 - (/home/test_user/.vscode/extensions/ms-python.python-2024.12.3-linux-x64/out/client/extension.js:2:1962428) at process.processImmediate (node:internal/timers:478:21)] { code: -4, data: undefined } 2024-08-16 12:49:40.150 [error] [ 'Failed to check whether to display prompt for conda inherit env setting, Class name = v, completed in 1ms, has a falsy return value, Arg 1: Uri:/home/test_user/source/test_prod/test_project, Return Value: undefined', [s [Error]: Failed to resolve env "/home/test_user/anaconda3/envs/test_project" at ae (/home/test_user/.vscode/extensions/ms-python.python-2024.12.3-linux-x64/out/client/extension.js:2:1968174) at oe (/home/test_user/.vscode/extensions/ms-python.python-2024.12.3-linux-x64/out/client/extension.js:2:1966134) at Immediate.