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The backend—i.e. core services, APIs, and REST endpoints—to Jupyter web applications.

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Start testing the beta release of Python 3.11

maintenance

I think we should adhere to [watchfiles](https://watchfiles.helpmanual.io)'s API. Closes #778.

enhancement

For the case where a user has the template "{resource_dir}" in their kernel.json argv, the server api for api/kernelspecs returns the raw kernel.json spec contents (with the template string in...

enhancement
api-change

Target date for final release: start of SciPy Conference. - [x] Create 1.x branch in server. - [x] Update branch references in 1.x branch from main to 1.x. - [x]...

maintenance

Fixes #821 Allows for running `ExtensionApp` modules directly as main, eg `python -m jupyterlab.labapp`. I personally need this for integration with the vscode debugger/python process launcher (vscode's python launcher doesn't...

bug

## Description launching jupyterlab via ```bash python -m jupyterlab.labapp --myargfoo --myargbar ``` used to work. Now it doesn't. The problem traces back to the `initialize` function: https://github.com/jupyter-server/jupyter_server/blob/6d84507500878236ea451ac040264ce641fd17ae/jupyter_server/serverapp.py#L2389-L2393 In my case,...

bug

On building my packages I'm using `sphinx-build` command with `-n` switch which shows warmings about missing references. These are not critical issues. Here is the output with warnings: ```console +...

bug

### Problem We are currently only testing against `ipykernel`. If we were testing against at least one other kernel we can help prevent issues like #633. ### Proposed Solution Add...

enhancement
good first issue

### Problem Current jupyter-server code doesn't have a base handler or utility for creating authenticated web socket APIs. An example of an authenticated web socket is present in `AuthenticatedZMQStreamHandler`. https://github.com/jupyter-server/jupyter_server/blob/77be2f5095db195db6aa872e24b5d49c3b53892b/jupyter_server/base/zmqhandlers.py#L303-L348...

enhancement
contributing-hour-idea

- install extension with arbitrary name that you develop - uninstall or break it. - try to use jupyter server extension You can't because it fails at ``` class ExtensionPackage(HasTraits):...

bug
contributing-hour-idea