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**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))