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Hybrid delta tracking

delta tracking

Other Enhancement

Status: Open.

Feature

#3975 In openmc-dev/openmc;

· nuclearkevin opened on Jun 19, 2026

continue_timesteps producing h5 files with incomplete information when used to restart a simulation that did not specify final_step = True in Integrator

Bugs

Status: Open.

#3973 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 16, 2026

Very rare event results in unnormalized direction vector leading to transport failure

Bugs

Status: Open.

#3970 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 11, 2026

openmc.model.RectangularParallelepiped could automatically handle periodic surfaces

Status: Open.

#3966 In openmc-dev/openmc;

· lewisgross1296 opened on Jun 10, 2026

Security: request for a private disclosure channel

Bugs

Status: Open.

#3947 In openmc-dev/openmc;

· cesabici-bit opened on May 28, 2026

Segmentation fault in Mgxs::get_xs when using DAGMCUniverse and multi-group energy mode

Bugs

Status: Open.

#3929 In openmc-dev/openmc;

· hugo-barthod opened on Apr 29, 2026

Error in current calculation when surrounding with vacuum material

Bugs

Status: Open.

#3924 In openmc-dev/openmc;

· zoeprieto opened on Apr 20, 2026

lost particle h5 files to vtkhdf to allow visualization in paraview

Status: Open.

#3922 In openmc-dev/openmc;

· shimwell opened on Apr 14, 2026

CollisionFilter produces biased results when weight windows are active

Bugs

Status: Open.

#3916 In openmc-dev/openmc;

· Edvree-dot opened on Apr 6, 2026

Structured mesh TLE when delta tracking

Status: Open.

#3902 In openmc-dev/openmc;

· jpmorgan98 opened on Mar 26, 2026

record cross section library used in output

Status: Open.

#3887 In openmc-dev/openmc;

· bohmt opened on Mar 18, 2026

Refactor photon interaction to be more like neutron interaction.

Other Enhancement

Status: Open.

#3883 In openmc-dev/openmc;

· GuySten opened on Mar 17, 2026