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 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
• add ability to not distribute lumped elements by @dmarek-flex in #2132
• fix lumped element changelog by @dmarek-flex in #2213
• Doping 0-size message and bugs by @marc-flex in #2212
• Improve CI workflow with separate lint job and conditional test runs by @yaugenst-flex in #2203
• Add twin axis plot for n and k by @txdai in #2202
• 🔧 ⚡ Fix charge doctest examples by @daquinteroflex in #2215
• cherry-pick doctest runs from develop by @yaugenst-flex in #2216
• fix bug in the resistor and coax resistor variants of lumped elements by @dmarek-flex in #2217
• Remove flux monitor frequencies from adjoint frequencies by @groberts-flex in #2218
• Fix duplicate CI runs on non-develop branches by @yaugenst-flex in #2219
• A meshing bug that skips the domain coordinate by @weiliangjin2021 in #2220
• Automatical mesh refinement in layered structures by @weiliangjin2021 in #2113
• User friendly error for wvl_mat_min when no sources present by @groberts-flex in #2221
• update notebooks submodule after surrogate notebook merge by @groberts-flex in #2222
• maint[tests]: constrain number of cores used for parallel testing by @yaugenst-flex in #2211
• 📚 Remove collab launch links by @daquinteroflex in #2225
• Grid snapping off for unshadowed MeshOverrideStructure unless it refines mesh by @weiliangjin2021 in #2223
• Make gauge selection for non-converge modes more robust by @lucas-flexcompute in #2214
• Bumping version to 2.8.0rc3 by @momchil-flex in #2227
• fix[tests]: increase overlap threshold in test_mode_solver_data_sort by @groberts-flex in #2229
• Bug fix for unshadowed override structure extending outside the simulation domain by @weiliangjin2021 in #2233
• maint[web]: Use default S3 TransferConfig for up/downloads by @yaugenst-flex in #2226
• Allow setting of numerical tolerance for autograd check_grads function by @groberts-flex in #2232
• New flag in override structure on whether to be dropped when it's outside the simulation by @weiliangjin2021 in #2235
• ⚡ Fossum model for carrier lifetime by @marc-flex in #2231
• In LossyMetal rename SkinDepthFitterParam to SurfaceImpedanceFitterParam and plot impedance by @weiliangjin2021 in #2237
• change plot_3d iframe url to prod by @majinge7846 in #2236
• ⚡ Fix normal axis in doping by @marc-flex in #2239
• Fix extremely long run_time in the presence of lossy metal by @weiliangjin2021 in #2244
• Add ModeSimulation classes by @caseyflex in #2208
• Add translated_copy function to ElectromagneticFieldData by @caseyflex in #2238
• Introducing AnalyticBeam components by @momchil-flex in #2230
• Replace complex fields with real fields in all nonlinearities by @caseyflex in #2247
• Speed up layer refinement by caching and skipping exterior structures by @weiliangjin2021 in #2249
• Fixed bug and added warning when a lumped element is placed outside the Simulation. by @dmarek-flex in #2254
• Allow ModeData to be passed to path integral computations with small refactor to reduce duplicate code by @dmarek-flex in #2256
• Fix modeler.to_file when batch is empty by @weiliangjin2021 in #2259
• Add ModeSolver remote data patching by @caseyflex in #2257
• Increase the refresh time. by @QingengWei in #2265
• add HEAT_CHARGE type by @QingengWei in #2246
• Support for automatically running multiple adjoint simulations from single fwd by @yaugenst-flex in #2241
• 2.8 by @tylerflex in #1777
• Add folder_name for the task GUI link. by @QingengWei in #2260
• Fix to _interpolated_tangential_fields when data has only one coordinate by @momchil-flex in #2266
• 🔧 🤖 Consolidate coverage tests by @daquinteroflex in #2271
• 🔧 fix common typo in docstring links by @dmarek-flex in #2267
• Improve meshing and snapping points in lumped elements by @weiliangjin2021 in #2263
• add antenna gain and efficiency figures of merit by @dmarek-flex in #2190
• Array factor by @dbochkov-flexcompute in #2228
• Frequency-dependent rotation to constant in-plane k beam by @momchil-flex in #2272
• More robust float number comparison in Mesher.filter_min_step by @weiliangjin2021 in #2278
• batch supports aborting and aborted status. by @QingengWei in #2279
• add viz_spec property for plotting structures that have no medium by @groberts-flex in #2280
• Update spice.rst by @marc-flex in #2273
• Use bayes_opt<2 by @yaugenst-flex in #2281
• Co- and cross-polarization for linear polarization by @weiliangjin2021 in #2268
• Added validation for the monitors frequency range to be consistent with the frequency range defined by the sources. by @vasilyzabelin in #2274
• Another 2.8 branch merge as we kept developing by @momchil-flex in #2283
• Fix adjoint source creation by @groberts-flex in #2282
• refc[adjoint]: filter zero VJPs in setup_adj by @yaugenst-flex in #2287
• Simulation.grid_info property for important grid information by @weiliangjin2021 in #2285
• add link to array calculator class by @dbochkov-flexcompute in #2284
• optimize abort task by @QingengWei in #2288
• Refactored bend_angle_rotation to support general angle rotation by @QimingFlex in #2269
• Adjusting corss-medium check to SolidMedium by @marc-flex in #2289
• optimize abort task by @QingengWei in #2291
• changelog and final pre-release updates by @momchil-flex in #2290

New Contributors

• @groberts-flex made their first contribution in #2147
• @rahul-flex made their first contribution in #2170
• @vasilyzabelin made their first contribution in #2274

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