v2.8.4

What's Changed

• 🔧 🤖 Fix PR requirements state by @daquinteroflex in #2407
• Making normal requirement for tilted plane intersections less stringent by @momchil-flex in #2406
• 🎨 Add GUI and photonforge docs intro by @daquinteroflex in #2334
• feature[frontend]: improve printing of materials and material library by @groberts-flex in #2356
• Avoiding overflow in Simulation.num_cells by @momchil-flex in #2413
• 📚 Fix and upgrade documentation of latest by @daquinteroflex in #2417
• Some more autograd validators by @yaugenst-flex in #2419
• feat: add validation for units by @rahul-flex in #2335
• Fix:Error message for invalid task ID by @rahul-flex in #2345
• ✨ FEAT: Add reflection transformation with verification tests by @damianofranzo in #2414
• 🌈 📚 Update color scheme by @daquinteroflex in #2409
• maint[autograd]: validator for catching traced structures in ClipOperation by @yaugenst-flex in #2427
• feat[FieldData]: export to ZBF by @bzhangflex in #2397
• Vasily/refinement_region_clean by @vasilyzabelin in #2398
• Adding function NedeljkovicSorefMashanovich to docs by @marc-flex in #2432
• Fix bug when symmetry + non-symmetric boundary conditions are defined by @momchil-flex in #2429
• Change threshold for number of frequencies in EME for warning by @caseyflex in #2402
• Add support for 2D EME simulations by @caseyflex in #2410
• Add PermittivityMonitor to EMESimulation by @caseyflex in #2416
• fix[autograd]: remove frequency summing in CustomMedium gradient and … by @groberts-flex in #2430
• Adding refinement regions to the docs by @marc-flex in #2437
• fix[frontend]: fix computation of finite axis length for PolySlab by @groberts-flex in #2434
• Revert "Test slurm runners" by @daquinteroflex in #2442
• 🖌️ Final touches for docs color scheme by @daquinteroflex in #2439
• Delegate PEC check from MultiPhysicsMedium to its Optical Medium by @frederikschubertflex in #2431
• 🎨 Improve tab color on light style by @daquinteroflex in #2451
• ⚠️ RF License Validator Warning by @daquinteroflex in #2448
• 🔧 📚 Missing SourceTime API by @daquinteroflex in #2458
• linking FixedAngleSpec notebook to PlaneWave docstring by @FilipeFcp in #2454
• 🔧 ⚠️ Fix RF scope warning by @daquinteroflex in #2460
• Update RF threshold frequency by @weiliangjin2021 in #2464
• fix: set the width and height of the injected iframe for the plot_sim_3d function by @frederikschubertflex in #2462
• Fix a bug in capacitance when symmetry is present by @marc-flex in #2469
• fix multiphysics medium attribute lookup by @yaugenst-flex in #2468
• Last updates for 2.8.4 by @momchil-flex in #2459
• Momchil/latest 2 8 4 by @momchil-flex in #2470

New Contributors

• @damianofranzo made their first contribution in #2414
• @frederikschubertflex made their first contribution in #2431

Full Changelog: v2.8.3...v2.8.4

v2.8.3

What's Changed

• Fix doping plot in scene by @marc-flex in #2373
• Fix arrow curvature in bent sources/monitors by @lucas-flexcompute in #2376
• fix: cleanup temp figures after running anisotropic epsilon plotting tests by @bzhangflex in #2372
• feat: plot3d support stl by @majinge7846 in #2377
• enh[adjoint]: speed up interpolation of evaluate_flds_at by @yaugenst-flex in #2380
• SemiconductorMedium used directly as medium in Charge simulations by @marc-flex in #2383
• Change return values to None instead of ValueError by @marc-flex in #2384
• Select between virtual GPU and regular queue on Python client. by @yaugenst-flex in #2389
• fix a colorbar reverse bug by @majinge7846 in #2378
• ⏲️ Reduce CI tests trigger frequency by @daquinteroflex in #2391
• Add periodic repetition in EME simulations by @caseyflex in #2331
• Add permittivity monitor to mode simulation by @caseyflex in #2361
• fix[autograd]: always try to place adjoint monitors to catch problems locally by @yaugenst-flex in #2394
• 🔧 PR requirements pass on local-tests by @daquinteroflex in #2395
• GaussianPulse.from_frequency_range for maximizing amplitude in frequency range of interest by @weiliangjin2021 in #2393
• Differentiable spline interpolation by @yaugenst-flex in #2385
• fix[tests]: fix resource locking in adjoint plugin tests by @yaugenst-flex in #2400
• fix[autograd]: add boolean flag indicating adjoint runs by @yaugenst-flex in #2399
• fix[adjoint]: remove frequency summing in polyslab gradient calculation by @groberts-flex in #2386
• Vasily/bandgap_monitor_update by @vasilyzabelin in #2344
• enh[web]: make pay type selection case insensitive by @yaugenst-flex in #2401
• Final updates for 2.8.3 by @momchil-flex in #2405

Full Changelog: v2.8.2...v2.8.3

v2.8.2

What's Changed

• Add function to obtain cell values in UnstructuredGridDataset by @marc-flex in #2304
• feat[viz]: fill argument for sim.plot_structures() by @yaugenst-flex in #2313
• 📦 🤖 Include py3.13 tests by @daquinteroflex in #2330
• xarray>=2025.03 compatibility by @yaugenst-flex in #2332
• Adding option for Fermi-Dirac statistics by @marc-flex in #2242
• Add ContourPath averaging option to dielectric subpixel by @weiliangjin2021 in #2297
• Add validator to ensure that angle_phi is a multiple of pi when angle… by @momchil-flex in #2346
• Fix polyslab tests and add interior_angle property to PolySlab by @weiliangjin2021 in #2348
• Convenience function to add charge perturbations with Nedeljkovic Soref Mashanovich model by @marc-flex in #2312
• fix[adjoint]: Pass correct frequency for epsilon calculation in adjoint postprocessing by @yaugenst-flex in #2352
• fix[testing]: fixed test_geometry bounds checking tests by @groberts-flex in #2343
• Correct scaling for adjoint sources created from field monitors by @groberts-flex in #2338
• Add component selection to plot_eps by @bzhangflex in #2315
• Fix heat conductivity plot by @marc-flex in #2355
• Warn when mode solver pml covers a significant portion of the mode plane by @caseyflex in #2320
• Add aux field monitors by @caseyflex in #2309
• Better validation of TFSF sources, and enabling broadband by @momchil-flex in #2359
• Set angle_phi to multiple of np.pi / 2 if angle_rotation is used by @momchil-flex in #2363
• added ability to define a wave port using only a single voltage or current path by @dmarek-flex in #2351
• Change doping ramp-up default by @marc-flex in #2370
• Notebooks, changelog, schema, version bump for 2.8.2 by @momchil-flex in #2364

New Contributors

• @bzhangflex made their first contribution in #2315

Full Changelog: v2.8.1...v2.8.2

v2.8.1

What's Changed

• Fix warning in arccos when the float number is slightly outside range by @weiliangjin2021 in #2294
• add tool for calculating antenna lobe measures by @dmarek-flex in #2275
• Minor docs change for FluidMedium and SolidMedium by @marc-flex in #2298
• fix[autograd]: add validation for missing frequency-domain monitors by @yaugenst-flex in #2295
• Fix corner filtering in LayerRefinementSpec by @weiliangjin2021 in #2303
• Fix for numpy deprecating cross product in 2D by @lucas-flexcompute in #2317
• fix[web]: fix task querying by @yaugenst-flex in #2318
• fix: automatically create batch output directories by @yaugenst-flex in #2311
• chore: add dependency group for design plugin by @yaugenst-flex in #2323
• fix[adjoint]: fix tuple handling in autograd gradient calculations by @yaugenst-flex in #2319
• 🔧 Fix xarray upgrade bug by @daquinteroflex in #2327
• fix: erroneous results in field projection monitors with many points by @dmarek-flex in #2329
• Improve accuracy of normal E-field computation in mode solver by @weiliangjin2021 in #2326
• Add metal surface roughness models by @weiliangjin2021 in #2324
• fix: deletion of tasks using web.delete(task_id) by @yaugenst-flex in #2328

Full Changelog: v2.8.0...v2.8.1

v2.8.0

What's Changed

• Introduced RF material library to microwave plugins by @QimingFlex in #1756
• 🗻 complex polyslab autograd support by @tylerflex in #1790
• 🗻 autograd specify background permittivity of structure by @tylerflex in #1789
• Introduce the DirectivityMonitor and DirectivityData classes by @QimingFlex in #1724
• Enabling electrostatic simulations by @marc-flex in #1561
• update CHANGELOG.md by @dmarek-flex in #1794
• Fixed docstrings for directivitydata and custom source by @QimingFlex in #1797
• Docstring - HeatCharge docstring error by @marc-flex in #1798
• 🍒 pick bugfix from develop by @dmarek-flex in #1803
• added plot_units to simulation and scene classes by @dmarek-flex in #1811
• expose power wave amplitude computations by @dmarek-flex in #1826
• Fixed bug in HeatChargeSimulation.plot() when we have global sources by @marc-flex in #1839
• Merge develop into pre/2.8 by @yaugenst-flex in #1846
• 🔧 Weird commit checkout issue on sync by @daquinteroflex in #1853
• feature: Check credit balance and daily free balance by @QingengWei in #1843
• prioritize snapping points in AutoGrid by @dmarek-flex in #1831
• HeatChargeSimulation backward compatibility by @marc-flex in #1841
• add WavePorts by @dmarek-flex in #1741
• break_statuses add aborted by @QingengWei in #1857
• Validate the use of dielectrics only in RectangularDielectric by @lucas-flexcompute in #1859
• Introduced axial ratio to DirectivityMonitor by @QimingFlex in #1860
• Move dispersion fitter implementation to components by @caseyflex in #1875
• Raise error early when port source is snapped into PML by @weiliangjin2021 in #1895
• Merge develop into 2.8 by @momchil-flex in #1905
• ComponentModeler.batch_data and pathdir enhancements by @tylerflex in #1932
• fixed bug that replaced all lumped elements in simulations, when using TerminalComponentModeler by @dmarek-flex in #1953
• Make BatchData a mapping by @yaugenst-flex in #1960
• Redesigning Design Methods with Bayesian Optimisation by @m-bone in #1762
• Fixed invalid s-parameters from wave port. by @QimingFlex in #1904
• Add validation and repair for TriangleMesh with inward-facing normals by @caseyflex in #1976
• mode solver preconditioner improvement and turning off incidence matrix by @weiliangjin2021 in #1928
• Construct medium from a transfer function by @dmarek-flex in #1974
• fix bug when setting 'path_dir' in ComponentModeler by @dmarek-flex in #1990
• fixed bug where lumped elements were not being removed in Simulation.subsection by @dmarek-flex in #1995
• fix invalid geometry created in 'subdivide' by @dmarek-flex in #1993
• fix field projection discrepancy by @dmarek-flex in #2005
• Add LossyMetalMedium and subpixel options for lossy_metal including SIBC by @weiliangjin2021 in #1886
• Convert several mode solver methods to staticmethods by @weiliangjin2021 in #2008
• Skip geometry validation in simulation subsection and mode solver reduction by @weiliangjin2021 in #2022
• rename autograd_background_permittivity to background_permittivity by @tylerflex in #2030
• New Monitor._to_solver_monitor property used internally in the backend by @momchil-flex in #2021
• Mode solver improvement for simulations at low-frequency containing metals by @weiliangjin2021 in #2023
• add internal construct smatrix by @dmarek-flex in #2037
• mode_spec.precision default to auto by @weiliangjin2021 in #2031
• fix for issue where subdivide was creating very small polygons by @dmarek-flex in #2029
• expanded lumped elements by @dmarek-flex in #1980
• Fix to bend modes when grid is not symmetric w.r.t. plane center by @momchil-flex in #2026
• Silence graphene warning from checking fit at high freq by @caseyflex in #1938
• fixed mistake from previous PR that added internal construct smatrix by @dmarek-flex in #2063
• Merge/develop 2 8 by @momchil-flex in #2079
• If no sources set the runtime based on index of 1 by @momchil-flex in #2081
• Show WebAPI system warning message. by @QingengWei in #2075
• PolySlab rotated and translated methods that return PolySlab by @momchil-flex in #2089
• changed the default choice of frequency when plotting permittivity by @dmarek-flex in #2091
• Add interp validator to custom current source by @yaugenst-flex in #2093
• Simplify interp validator by @yaugenst-flex in #2096
• better plot_grid by @tylerflex in #2097
• Fix another geos error in _filter_structures_plane by @weiliangjin2021 in #2098
• automatic mode rotation for bent waveguide by @QimingFlex in #2028
• auto grab permittivity inside and outside PolySlab and Cylinder by @tylerflex in #2080
• fix attrs bug with inf by @tylerflex in #2099
• fix link by @FilipeFcp in #2094
• Add more robust gauge choice for high-order modes by @lucas-flexcompute in #2018
• MeshOverrideStructure only Box by @tylerflex in #2107
• Clear cached property when validation is off by @weiliangjin2021 in #2108
• Adding 'fields' argument to ModeSolver and ModeSolverMonitor by @momchil-flex in #2110
• Allow double precision mode solver in EME. by @caseyflex in #2117
• Fixed angle simulations by @dbochkov-flexcompute in #1954
• call metadata api after uploading file by @QingengWei in #2114
• Run the mode solver through the regular webapi functions by @momchil-flex in #2115
• Bump pytorch version because <=2.1 does not have cpuonly py312 wheels by @yaugenst-flex in #2118
• refactor gradient calculations to use DerivativeSurfaceMesh by @tylerflex in #2056
• Remove unused env by @QingengWei in #2121
• Merge/develop 2 8 by @momchil-flex in #2120
• Adding ElectromagneticFieldData._check_fields_stored by @momchil-flex in #2122
• Raising instead of warning if cost could not be estimated by @momchil-flex in #2126
• Convert JaxSimulation to Simulation if passed in mode solver by @momchil-flex in #2127
• Thread-safe creation of temp dir by @momchil-flex in #2128
• add preprod env by @QingengWei in #2134
• Improve progress bar display in Batch operations by @yaugenst-flex in #2135
• add solver_version for metadata api by @QingengWei in #2133
• Refactored DirectivityData to store far fields and flux as fields, and compute radiation parameters via properties by @QimingFlex in #2129
• NumPy 2.1 compatibility for xarray interpolation by @yaugenst-flex in #2143
• Use default td.ModeSpec in mode monitors by @yaugenst-flex in #2058
• Minimum install for tidy3d by @yaugenst-flex in #2087
• Add option to log handler to prefix ...

v2.8.0rc2

What's Changed

• add preprod env by @QingengWei in #2134
• Improve progress bar display in Batch operations by @yaugenst-flex in #2135
• add solver_version for metadata api by @QingengWei in #2133
• Refactored DirectivityData to store far fields and flux as fields, and compute radiation parameters via properties by @QimingFlex in #2129
• NumPy 2.1 compatibility for xarray interpolation by @yaugenst-flex in #2143
• Use default td.ModeSpec in mode monitors by @yaugenst-flex in #2058
• Minimum install for tidy3d by @yaugenst-flex in #2087
• Add option to log handler to prefix every line by @momchil-flex in #2150
• maint: Bump JAX version for numpy 2 compatibility by @yaugenst-flex in #2146
• feat[frontend]: implementation and testing for VisualizationSpec by @groberts-flex in #2147
• QuasiUniformGrid and min_steps_per_sim_size` by @weiliangjin2021 in #2130
• Move min_steps_per_sim_size to the end of args list in auto for back-compatibility by @weiliangjin2021 in #2158
• Test parallelization by @yaugenst-flex in #2165
• fix[invdes]: handle pixel size validation for simulations without sources by @yaugenst-flex in #2161
• Fix system-dependent floating-point issue in EMEGrid validation by @caseyflex in #2167
• Adding reduced_simulation option to web functions by @momchil-flex in #2166
• fix[tests]: clear log capture at start of local mode solver test by @yaugenst-flex in #2171
• Fix gradient magnitude custom medium by @groberts-flex in #2159
• feat[frontend]: add angle validator to specify expected angle in radians by @groberts-flex in #2163
• feat: Add autograd support for PolySlab transformations by @rahul-flex in #2170
• Fix AutoGrid to use full sim_size for computing dl_max by @weiliangjin2021 in #2174
• Adding fp_eps buffer to polyslab 'inside' checks by @momchil-flex in #2173
• Allow MeshOverrideStructure to unshadow structures in overlapping region by @weiliangjin2021 in #2181
• add tests for polyslab slab bounds gradient check by @rahul-flex in #2187
• Fix file contention issues in parallel tests by @yaugenst-flex in #2175
• Adding reduce_simulation argument to run_async by @momchil-flex in #2188
• Reduce complex tolerance in mode solver by @momchil-flex in #2178
• fix[autograd]: ensure consistent task name mapping for batch autograd by @yaugenst-flex in #2191
• prepare for 2.7.9 by @yaugenst-flex in #2193
• Merge/develop 2 8 by @momchil-flex in #2194
• Add adaptive scientific notation for frequency range by @rahul-flex in #2196
• Charge solver by @marc-flex in #2077
• remove warnings in heat/charge simulation data by @dbochkov-flexcompute in #2206
• Update error handling in webapi, and Heat->HeatCharge in message by @momchil-flex in #2204
• feature[design]: allow design plugin to interface with pytorch via Result by @groberts-flex in #2189
• make unstructured datasets to return SpatialDataArray if no additional variables by @dbochkov-flexcompute in #2210
• ⚡ Backwards compatibility plotting by @daquinteroflex in #2209
• Constant doping box foxed by @marc-flex in #2205
• 🔧 fix duplicate web folders by @dmarek-flex in #2199

New Contributors

• @groberts-flex made their first contribution in #2147
• @rahul-flex made their first contribution in #2170

Full Changelog: v2.8.0rc1...v2.8.0rc2

v2.7.9

What's Changed

• fix link by @FilipeFcp in #2094
• maint: Bump JAX version for numpy 2 compatibility by @yaugenst-flex in #2146
• fix[autograd]: ensure consistent task name mapping for batch autograd by @yaugenst-flex in #2191
• prepare for 2.7.9 by @yaugenst-flex in #2193

Full Changelog: v2.7.8...v2.7.9

v2.8.0rc1

What's Changed

• Introduced RF material library to microwave plugins by @QimingFlex in #1756
• 🗻 complex polyslab autograd support by @tylerflex in #1790
• 🗻 autograd specify background permittivity of structure by @tylerflex in #1789
• Introduce the DirectivityMonitor and DirectivityData classes by @QimingFlex in #1724
• Enabling electrostatic simulations by @marc-flex in #1561
• update CHANGELOG.md by @dmarek-flex in #1794
• Fixed docstrings for directivitydata and custom source by @QimingFlex in #1797
• Docstring - HeatCharge docstring error by @marc-flex in #1798
• 🍒 pick bugfix from develop by @dmarek-flex in #1803
• added plot_units to simulation and scene classes by @dmarek-flex in #1811
• expose power wave amplitude computations by @dmarek-flex in #1826
• Fixed bug in HeatChargeSimulation.plot() when we have global sources by @marc-flex in #1839
• Merge develop into pre/2.8 by @yaugenst-flex in #1846
• 🔧 Weird commit checkout issue on sync by @daquinteroflex in #1853
• feature: Check credit balance and daily free balance by @magiWei in #1843
• prioritize snapping points in AutoGrid by @dmarek-flex in #1831
• HeatChargeSimulation backward compatibility by @marc-flex in #1841
• add WavePorts by @dmarek-flex in #1741
• break_statuses add aborted by @magiWei in #1857
• Validate the use of dielectrics only in RectangularDielectric by @lucas-flexcompute in #1859
• Introduced axial ratio to DirectivityMonitor by @QimingFlex in #1860
• Move dispersion fitter implementation to components by @caseyflex in #1875
• Raise error early when port source is snapped into PML by @weiliangjin2021 in #1895
• Merge develop into 2.8 by @momchil-flex in #1905
• ComponentModeler.batch_data and pathdir enhancements by @tylerflex in #1932
• fixed bug that replaced all lumped elements in simulations, when using TerminalComponentModeler by @dmarek-flex in #1953
• Make BatchData a mapping by @yaugenst-flex in #1960
• Redesigning Design Methods with Bayesian Optimisation by @m-bone in #1762
• Fixed invalid s-parameters from wave port. by @QimingFlex in #1904
• Add validation and repair for TriangleMesh with inward-facing normals by @caseyflex in #1976
• mode solver preconditioner improvement and turning off incidence matrix by @weiliangjin2021 in #1928
• Construct medium from a transfer function by @dmarek-flex in #1974
• fix bug when setting 'path_dir' in ComponentModeler by @dmarek-flex in #1990
• fixed bug where lumped elements were not being removed in Simulation.subsection by @dmarek-flex in #1995
• fix invalid geometry created in 'subdivide' by @dmarek-flex in #1993
• fix field projection discrepancy by @dmarek-flex in #2005
• Add LossyMetalMedium and subpixel options for lossy_metal including SIBC by @weiliangjin2021 in #1886
• Convert several mode solver methods to staticmethods by @weiliangjin2021 in #2008
• Skip geometry validation in simulation subsection and mode solver reduction by @weiliangjin2021 in #2022
• rename autograd_background_permittivity to background_permittivity by @tylerflex in #2030
• New Monitor._to_solver_monitor property used internally in the backend by @momchil-flex in #2021
• Mode solver improvement for simulations at low-frequency containing metals by @weiliangjin2021 in #2023
• add internal construct smatrix by @dmarek-flex in #2037
• mode_spec.precision default to auto by @weiliangjin2021 in #2031
• fix for issue where subdivide was creating very small polygons by @dmarek-flex in #2029
• expanded lumped elements by @dmarek-flex in #1980
• Fix to bend modes when grid is not symmetric w.r.t. plane center by @momchil-flex in #2026
• Silence graphene warning from checking fit at high freq by @caseyflex in #1938
• fixed mistake from previous PR that added internal construct smatrix by @dmarek-flex in #2063
• Merge/develop 2 8 by @momchil-flex in #2079
• If no sources set the runtime based on index of 1 by @momchil-flex in #2081
• Show WebAPI system warning message. by @magiWei in #2075
• PolySlab rotated and translated methods that return PolySlab by @momchil-flex in #2089
• changed the default choice of frequency when plotting permittivity by @dmarek-flex in #2091
• Add interp validator to custom current source by @yaugenst-flex in #2093
• Simplify interp validator by @yaugenst-flex in #2096
• better plot_grid by @tylerflex in #2097
• Fix another geos error in _filter_structures_plane by @weiliangjin2021 in #2098
• automatic mode rotation for bent waveguide by @QimingFlex in #2028
• auto grab permittivity inside and outside PolySlab and Cylinder by @tylerflex in #2080
• fix attrs bug with inf by @tylerflex in #2099
• fix link by @FilipeFcp in #2094
• Add more robust gauge choice for high-order modes by @lucas-flexcompute in #2018
• MeshOverrideStructure only Box by @tylerflex in #2107
• Clear cached property when validation is off by @weiliangjin2021 in #2108
• Adding 'fields' argument to ModeSolver and ModeSolverMonitor by @momchil-flex in #2110
• Allow double precision mode solver in EME. by @caseyflex in #2117
• Fixed angle simulations by @dbochkov-flexcompute in #1954
• call metadata api after uploading file by @magiWei in #2114
• Run the mode solver through the regular webapi functions by @momchil-flex in #2115
• Bump pytorch version because <=2.1 does not have cpuonly py312 wheels by @yaugenst-flex in #2118
• refactor gradient calculations to use DerivativeSurfaceMesh by @tylerflex in #2056
• Remove unused env by @magiWei in #2121
• Merge/develop 2 8 by @momchil-flex in #2120
• Adding ElectromagneticFieldData._check_fields_stored by @momchil-flex in #2122
• Raising instead of warning if cost could not be estimated by @momchil-flex in #2126
• Convert JaxSimulation to Simulation if passed in mode solver by @momchil-flex in #2127
• Thread-safe creation of temp dir by @momchil-flex in #2128

Full Changelog: v2.7.8...v2.8.0rc1

v2.7.8

What's Changed

• ⬆️ Looser 2.0 numpy functionality by @daquinteroflex in #1913
• fix gradient for single freq selection from multi freq mnt by @tylerflex in #2076
• Moving nonlinear warnings to simulation and consolidating by @momchil-flex in #2088
• more autograd fixes for 2.7.8 by @tylerflex in #2082
• autograd tests angled waveguide by @tylerflex in #2092

Full Changelog: v2.7.7...v2.7.8

v2.7.7

What's Changed

• display task_id in download log error message by @tylerflex in #2044
• simulation_type default to "tidy3d" always by @tylerflex in #2039
• fix: bug in local field projection for far_field_approx=True by @yaugenst-flex in #2048
• Allow transformed groups to be flattened by @lucas-flexcompute in #2050
• fix bug in autograd differentiation cylinder.center by @tylerflex in #2049
• Add frequency/wavelength utilities by @lucas-flexcompute in #2036
• size=0 adjoint montiors for single pixel dims in custom mediums by @tylerflex in #2052
• fix: xarray 2024.10 compatibility by @yaugenst-flex in #2054
• More autograd helpers by @yaugenst-flex in #2055
• fix: expressions plugin doctests by @yaugenst-flex in #2057
• Validate that bend radius is not smaller than half the mode plane size by @momchil-flex in #2053
• feat: add s3 config to download_file call. by @pperanich in #2060
• fix polyslab edge gradient assignment by @tylerflex in #2064
• Support for adjoint simulations with no monitors (zero gradients) by @yaugenst-flex in #2061
• Validate against nonlinear and modulation in FullyAnisotropicMedium.f… by @caseyflex in #2066
• Set minimum PML layers to 6 by @momchil-flex in #2065
• Passing kwargs in Lorentz.from_nk by @momchil-flex in #2067
• add Structure.background_medium and deprecate background_permittivity by @tylerflex in #2069
• Add warning to complex-field nonlinearities by @caseyflex in #2068
• fix: Exact field projection J/M indexing by @yaugenst-flex in #2071
• Fix potential self-intersection polygon in Scene._filter_structures_plane by @weiliangjin2021 in #2072

New Contributors

• @pperanich made their first contribution in #2060

Full Changelog: v2.7.6...v2.7.7