Jupytext

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**Fixed**
- We use `asyncio.iscoroutinefunction` to determine whether the current contents manager is sync or async ([1260](https://github.com/mwouts/jupytext/issues/1260))

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**Fixed**
- We use `inspect` to determine whether the current contents manager derives from `AsyncContentsManager` (which is not
supported by Jupytext at the moment). This fixes a compatibility issue with `jupyter-fs==1.0.0` ([1239](https://github.com/mwouts/jupytext/issues/1239)). Thanks to [Mahendra Paipuri](https://github.com/mahendrapaipuri) for this PR!
- We have fixed a typo when `build_jupytext_contents_manager_class` can't be imported ([1162](https://github.com/mwouts/jupytext/issues/1162))
- A Python 3.13 deprecation warning was fixed [1241](https://github.com/mwouts/jupytext/pull/1241) - thanks to [Jerry James](https://github.com/jamesjer)
- We have fixed a typo when `build_jupytext_contents_manager_class` can't be imported ([1162](https://github.com/mwouts/jupytext/issues/1162))
- Some dependencies of the JupyterLab extensions were updated ([1243](https://github.com/mwouts/jupytext/issues/1243), [#1245](https://github.com/mwouts/jupytext/issues/1245))

**Added**
- Lua notebooks are now supported ([1252](https://github.com/mwouts/jupytext/pull/1252)) - thanks to [erentar](https://github.com/erentar) for this contribution
- Go notebooks are supported too ([1244](https://github.com/mwouts/jupytext/issues/1244))! Many thanks to [Jan Pfeifer](https://github.com/janpfeifer), author of [GoNB](https://github.com/janpfeifer/gonb), and to [HaveF](https://github.com/HaveF) for their help on this topic.
- Empty prefixes are now allowed in Jupytext format when specified as a dictionary ([1144](https://github.com/mwouts/jupytext/issues/1144))

**Changed**
- We've had to deactivate the tests on the Quarto format in the CI as the Quarto round trip
might now add a Markdown cell to the notebook ([1255](https://github.com/mwouts/jupytext/issues/1255))

-------------------

**Added**
- Added support for Xonsh notebooks ([1213](https://github.com/mwouts/jupytext/pull/1213)) - thanks to [Jeffrey Odongo](https://github.com/jsquaredosquared) for this contribution

**Changed**
- By default, the JupyterLab extension for Jupytext is not included in the build (set `HATCH_BUILD_HOOKS_ENABLE=true` to include it). This simplifies the installation of Jupytext in pre-commit hooks ([1210](https://github.com/mwouts/jupytext/issues/1210))
- Temporary text notebooks for the `--pipe` or `--check` commands are now created in the notebook directory ([1206](https://github.com/mwouts/jupytext/issues/1206))
- Jupytext uses the standard library `tomllib` in Python 3.11, or `tomli` in Python 3.10 or older, to match JupyterLab's dependencies ([1195](https://github.com/mwouts/jupytext/issues/1195))
- The dependencies of the JupyterLab extension were updated ([1216](https://github.com/mwouts/jupytext/issues/1216), [#1218](https://github.com/mwouts/jupytext/issues/1218), [#1231](https://github.com/mwouts/jupytext/issues/1231))
- `jupytext --sync` will not update the timestamp of text notebooks if their content is unchanged ([1215](https://github.com/mwouts/jupytext/issues/1215))


**Fixed**
- Jupytext is now tested with `pandoc>=3.0`. Please note that switching to `pandoc>=3.0` will add cell ids to your `pandoc:md` notebooks ([1006](https://github.com/mwouts/jupytext/issues/1006))

-------------------

**Changed**
- The CI has been updated. Thanks to [Christian Le](https://github.com/LecrisUT) for taking care of this! ([#1190](https://github.com/mwouts/jupytext/issues/1190), [#1204](https://github.com/mwouts/jupytext/issues/1204))

**Fixed**
- Fixed an issue about unpairing notebooks from the Jupytext Menu ([1197](https://github.com/mwouts/jupytext/issues/1197))
- JupyterLab's dependency `follow-redirects` was updated from 1.15.3 to 1.15.4 ([1203](https://github.com/mwouts/jupytext/issues/1203))

-------------------

**Added**
- The Jupytext Menu is back! And text notebooks can be created directly from the launcher. This is an outstanding contribution by [Mahendra Paipuri](https://github.com/mahendrapaipuri) ([#1154](https://github.com/mwouts/jupytext/issues/1154), [#1163](https://github.com/mwouts/jupytext/issues/1163)). This requires JupyterLab 4.x or Jupyter Notebook 7.x.

**Changed**
- Jupytext is now configured with `pyproject.toml` and built with `hatch`. The layout has been reorganised to follow `src-layout` ([1140](https://github.com/mwouts/jupytext/issues/1140)). This is another outstanding contribution by [Mahendra Paipuri](https://github.com/mahendrapaipuri).
- The tests are now part of the `sdist`. They have been reorganized into unit/functional/integration/external ([1167](https://github.com/mwouts/jupytext/issues/1167), [#1173](https://github.com/mwouts/jupytext/issues/1173)).
- The legacy extension for Jupyter Notebook <=6 (the Jupytext Menu) has been removed.

**Fixed**
- The bibliography section in Rmd files does not become a code cell anymore ([1161](https://github.com/mwouts/jupytext/issues/1161))
- Commented code in `active-py` cells is not uncommented anymore ([1131](https://github.com/mwouts/jupytext/issues/1131))
- The test coverage has been restored ([1167](https://github.com/mwouts/jupytext/issues/1167), [#1173](https://github.com/mwouts/jupytext/issues/1173))
- We test Jupytext against the pre-release version of JupyterLab, and other dependencies ([1168](https://github.com/mwouts/jupytext/issues/1168))

-------------------

**Added**
- The Jupyter Lab extension is now compatible with the [JupyterLab RISE](https://github.com/jupyterlab-contrib/rise) extension. Many thanks to [Frédéric Collonval](https://github.com/fcollonval) for his PR ([#1126](https://github.com/mwouts/jupytext/pull/1126))!