Gdsfactory

- Add femwell mode solver [PR](https://github.com/gdsfactory/gdsfactory/pull/1032)
- MEOW improvements [PR](https://github.com/gdsfactory/gdsfactory/pull/1033)

- fix bend_s width [issue](https://github.com/gdsfactory/gdsfactory/discussions/1028)

- fix tidy3d plugin [PR](https://github.com/gdsfactory/gdsfactory/pull/1011)
- parse empty polygons uz meshing [PR](https://github.com/gdsfactory/gdsfactory/pull/1023)
- add Crow variant with couplers [PR](https://github.com/gdsfactory/gdsfactory/pull/1021)
- remove simphony [PR](https://github.com/gdsfactory/gdsfactory/pull/1024)

- Add z_to_bias processing in xy meshing [PR](https://github.com/gdsfactory/gdsfactory/pull/1011)
- Add MEOW EME plugin [PR](https://github.com/gdsfactory/gdsfactory/pull/1015)
- update tidy3d to 1.8.0

- Add coupled rings (CROW) [PR](https://github.com/gdsfactory/gdsfactory/pull/1009)
- add LICENSE to pypi package [PR](https://github.com/gdsfactory/gdsfactory/pull/1010)

[6.11.0](https://github.com/gdsfactory/gdsfactory/pull/1007)

- add option to register materials_index into a PDK.
- tidy3d and meep can use the same material_index from the registered materials.

- If sidewall, can specific at which height gds layer width equals structural width [PR](https://github.com/gdsfactory/gdsfactory/pull/994)
- fix for shapely 2.0 [PR](https://github.com/gdsfactory/gdsfactory/pull/996)
- improve klayout tech for 0.28 [PR](https://github.com/gdsfactory/gdsfactory/pull/998)
- add Option to have the mesh elements defined by material instead of layer [PR](https://github.com/gdsfactory/gdsfactory/pull/1002)
- add layer_grating to some of the gratings in case the grating needs to be defined with different layers. By default = None so it does not change existing gratings [PR](https://github.com/gdsfactory/gdsfactory/pull/1003)