What's Changed
* Stable by ninamiolane in https://github.com/geomstats/geomstats/pull/1177
* Add the dataset of cells to the nb 01 data on manifolds by ninamiolane in https://github.com/geomstats/geomstats/pull/1178
* Modify shape analysis notebook by alebrigant in https://github.com/geomstats/geomstats/pull/1180
* make codecov sensible again by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1181
* Un-stall PR on General Elastic Metric by ninamiolane in https://github.com/geomstats/geomstats/pull/1182
* full rank matrices by annacalissano in https://github.com/geomstats/geomstats/pull/1186
* Improve MDM by qbarthelemy in https://github.com/geomstats/geomstats/pull/1188
* Improve MDM, 2 by qbarthelemy in https://github.com/geomstats/geomstats/pull/1189
* Add predict_proba to MDM by qbarthelemy in https://github.com/geomstats/geomstats/pull/1193
* Add exp and log maps for SPD Euclidean by qbarthelemy in https://github.com/geomstats/geomstats/pull/1192
* Patching Backend Operations by captain-pool in https://github.com/geomstats/geomstats/pull/1190
* reformat code snippets for highlighting in documentation by nguigs in https://github.com/geomstats/geomstats/pull/1196
* add extrinsic to spherical and its tangent by nguigs in https://github.com/geomstats/geomstats/pull/1195
* Fix typo by heytitle in https://github.com/geomstats/geomstats/pull/1199
* updating symeig with eigh by captain-pool in https://github.com/geomstats/geomstats/pull/1201
* Committing new files for the psd matrices of rank k by annacalissano in https://github.com/geomstats/geomstats/pull/1191
* Fix issue 1083 by alebrigant in https://github.com/geomstats/geomstats/pull/1209
* Cleaning hyperbolic doc and vectorisation by tgeral68 in https://github.com/geomstats/geomstats/pull/1211
* Add list of hackathons to the README by ninamiolane in https://github.com/geomstats/geomstats/pull/1214
* rename EmbeddedManifold into LevelSet by nguigs in https://github.com/geomstats/geomstats/pull/1219
* Add visualization of SPD(2) matrices through Ellipsis. by ninamiolane in https://github.com/geomstats/geomstats/pull/1210
* Rm deprecated code in lie_groups.py about loss and grad by ninamiolane in https://github.com/geomstats/geomstats/pull/1215
* Temporarily remove tests with python 3.7 3.8 for the hackathon (only 3.9 is tested) by ninamiolane in https://github.com/geomstats/geomstats/pull/1221
* add circle with representation by one angle by nguigs in https://github.com/geomstats/geomstats/pull/1212
* pytest migration - 1 by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1205
* Example of geodesic regression on the Grassmann manifold by nguigs in https://github.com/geomstats/geomstats/pull/1220
* FIX: Change docstring for the manifold PSD(n, k) by ninamiolane in https://github.com/geomstats/geomstats/pull/1230
* Add documentation in autodiff modules by ninamiolane in https://github.com/geomstats/geomstats/pull/1226
* faster spd checking by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1143
* Add triu and test by mortenapedersen in https://github.com/geomstats/geomstats/pull/1232
* Add API for symplectic and leapfrog steps in integrators by ninamiolane in https://github.com/geomstats/geomstats/pull/1233
* Template for lddmm metric on landmarks by nguigs in https://github.com/geomstats/geomstats/pull/883
* Try running tests on Heisenberg by ninamiolane in https://github.com/geomstats/geomstats/pull/1238
* Add 3D heisenberg group in vector representation and unit tests by mortenapedersen in https://github.com/geomstats/geomstats/pull/1213
* Try PR on subRiemannian geometry by ninamiolane in https://github.com/geomstats/geomstats/pull/1239
* Add sub-Riemannian metric class by mortenapedersen in https://github.com/geomstats/geomstats/pull/1237
* Add a subcase to torch solve_sylvester by emaignant in https://github.com/geomstats/geomstats/pull/1223
* Add hamiltonian, cometric and inner-coproduct by ninamiolane in https://github.com/geomstats/geomstats/pull/1240
* Remove outdated loss and grad functions in riemannian metric by ninamiolane in https://github.com/geomstats/geomstats/pull/1241
* Xpennec stiefel tests by xpennec in https://github.com/geomstats/geomstats/pull/1236
* Allow to pass initial point to FrechetMean estimator by nguigs in https://github.com/geomstats/geomstats/pull/1234
* add subcase to tensorflow + add test by nguigs in https://github.com/geomstats/geomstats/pull/1242
* Graphspace by annacalissano in https://github.com/geomstats/geomstats/pull/1244
* Cholesky space by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1142
* Clean style of sub-Riemannian metrics by ninamiolane in https://github.com/geomstats/geomstats/pull/1250
* Adapt DeepSource config by ninamiolane in https://github.com/geomstats/geomstats/pull/1255
* fix docs by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1258
* Fix docs by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1259
* update documentation key by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1260
* Refactor/clean module of discrete curves by alebrigant in https://github.com/geomstats/geomstats/pull/1248
* clean test_symmetric_matrices by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1261
* Update contributing: nose -> pytest by ninamiolane in https://github.com/geomstats/geomstats/pull/1262
* Acknowledge recent contributors by ninamiolane in https://github.com/geomstats/geomstats/pull/1265
* Add lead author(s) to each module by ninamiolane in https://github.com/geomstats/geomstats/pull/1266
* cleaning github actions by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1252
* check by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1268
* Rename lr to init_step_size everywhere by nguigs in https://github.com/geomstats/geomstats/pull/1274
* Introduce n-fold manifolds by nguigs in https://github.com/geomstats/geomstats/pull/1249
* build docs through commands not through action by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1275
* rewrite by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1276
* conditional deployement by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1277
* Fix docs GitHub actions 3 by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1278
* Add notebook with cancer cell shapes analysis by ninamiolane in https://github.com/geomstats/geomstats/pull/1280
* Add hacks to help FrechetMean computations + Display quantiles to the mean shape by ninamiolane in https://github.com/geomstats/geomstats/pull/1284
* NEW: doc strings generator and checker by ninamiolane in https://github.com/geomstats/geomstats/pull/1290
* Test if rotation matrices are antipodals before trying to compute the Log by ninamiolane in https://github.com/geomstats/geomstats/pull/1229
* Add missing nb-thumbnails tags to render tutorials on doc website by ninamiolane in https://github.com/geomstats/geomstats/pull/1291
* add missing notebook by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1293
* clean test_spd_matrices with parametrization by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1263
* Hotfix: Make tests pass again w. py38 and skipping failing tests by ninamiolane in https://github.com/geomstats/geomstats/pull/1296
* Fix Build->Test Badge on README.rst by ninamiolane in https://github.com/geomstats/geomstats/pull/1297
* check for repo name by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1300
* Hotfix: Bring back linting on tests/ folder + fix some code style issues by ninamiolane in https://github.com/geomstats/geomstats/pull/1299
* Add more conditions to docs.yml by SaitejaUtpala in https://github.com/geomstats/geomstats/pull/1301
* Geomstats v 2.4.1 by ninamiolane in https://github.com/geomstats/geomstats/pull/1305
* Merge master (v2.4.1) into stable by ninamiolane in https://github.com/geomstats/geomstats/pull/1306
New Contributors
* annacalissano made their first contribution in https://github.com/geomstats/geomstats/pull/1186
* qbarthelemy made their first contribution in https://github.com/geomstats/geomstats/pull/1188
* captain-pool made their first contribution in https://github.com/geomstats/geomstats/pull/1190
* heytitle made their first contribution in https://github.com/geomstats/geomstats/pull/1199
* mortenapedersen made their first contribution in https://github.com/geomstats/geomstats/pull/1232
**Full Changelog**: https://github.com/geomstats/geomstats/compare/2.3.1...v2.4.1