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Single-frequency adjoint passes an array as EigenModeSource amplitude; NumPy deprecation will become an error

Status: Open.

#3260 In NanoComp/meep;

· jin-castle opened on Aug 7, 2026

eps_averaging=False does not reach the adjoint gradient: dA/du differentiates a smoothed operator

Status: Open.

#3259 In NanoComp/meep;

· jin-castle opened on Aug 7, 2026

MaterialGrid subpixel smoothing kernel integrates to 4/3 in 3D (integer division in get_uproj_w)

Status: Open.

#3258 In NanoComp/meep;

· jin-castle opened on Aug 7, 2026

Wrong size of Block in simulation

Status: Open.

#3250 In NanoComp/meep;

· leSemaleon opened on Jul 10, 2026

exploit inner_gradients=0 option in latest NLopt release

enhancement

Status: Open.

#3247 In NanoComp/meep;

· stevengj opened on Jul 9, 2026

MPI-dependent deposition for 2D point and zero-height line sources on chunk boundaries

Status: Open.

#3232 In NanoComp/meep;

· meNOwanTstudy opened on Jun 19, 2026

check sym_matrix_positive_definite for materials in meepgeom.cpp

enhancement

Status: Open.

#3231 In NanoComp/meep;

· stevengj opened on Jun 18, 2026

Subpixel averaging for dispersive (anisotropic) susceptibilities

enhancement

Status: Open.

#3229 In NanoComp/meep;

· oskooi opened on Jun 13, 2026

Are Casimir force functions removed in recent Meep versions?

Status: Open.

#3228 In NanoComp/meep;

· xiewenjia2001 opened on Jun 8, 2026

Need for updated compilation from source tutorial

Status: Open.

#3227 In NanoComp/meep;

· SaLukasik opened on Jun 5, 2026

sidewall angles in mp.get_GDSII_prisms

enhancement

Status: Open.

#3226 In NanoComp/meep;

· SaLukasik opened on Jun 5, 2026

Possible instability with Mirror(Y, phase=-1) + eps_averaging=True in 3D FDTD

Status: Open.

#3222 In NanoComp/meep;

· kabume opened on May 27, 2026