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Rename matProps.Material MatPropsMaterial

cleanupCode/comment cleanup: Low PriorityCode/comment cleanup: Low Priority

Status: Open.

#2476 In terrapower/armi;

· john-science opened on Mar 13, 2026

matProps should support simple float constants

optimizationrelated to measuring and speeding up the code or reducing memoryrelated to measuring and speeding up the code or reducing memory

Status: Open.

#2475 In terrapower/armi;

· john-science opened on Mar 13, 2026

Support moving / retrieving files with MPI directory changer

feature requestAdding a new feature or medium-to-large changeAdding a new feature or medium-to-large change

Status: Open.

#2474 In terrapower/armi;

· drewj-tp opened on Mar 12, 2026

armi.init should take file name as first argument

feature requestAdding a new feature or medium-to-large changeAdding a new feature or medium-to-large change

Status: Open.

#2473 In terrapower/armi;

· drewj-tp opened on Mar 11, 2026

codecov.io fails when coverage drops 0.02%

ciRelated to continuous integration / github actionsRelated to continuous integration / github actions

good first issueGood for newcomersGood for newcomers

Status: Open.

#2471 In terrapower/armi;

· john-science opened on Mar 10, 2026

Material.refDens is an instance variable, but should not be

enhancementImproving an existing featureImproving an existing feature

Status: Open.

#2467 In terrapower/armi;

· john-science opened on Mar 6, 2026

Change to the pyproject.toml format - licenses

cleanupCode/comment cleanup: Low PriorityCode/comment cleanup: Low Priority

Status: Open.

#2466 In terrapower/armi;

· john-science opened on Mar 3, 2026

Support creating assemblies from blueprints in parallel

complexExpected to be a complex issueExpected to be a complex issue

feature requestAdding a new feature or medium-to-large changeAdding a new feature or medium-to-large change

optimizationrelated to measuring and speeding up the code or reducing memoryrelated to measuring and speeding up the code or reducing memory

Status: Open.

#2465 In terrapower/armi;

· drewj-tp opened on Mar 2, 2026

Support loading assemblies from database in parallel

complexExpected to be a complex issueExpected to be a complex issue

feature requestAdding a new feature or medium-to-large changeAdding a new feature or medium-to-large change

optimizationrelated to measuring and speeding up the code or reducing memoryrelated to measuring and speeding up the code or reducing memory

Status: Open.

#2464 In terrapower/armi;

· drewj-tp opened on Feb 27, 2026

ARMI should be installable via wheel

ciRelated to continuous integration / github actionsRelated to continuous integration / github actions

feature requestAdding a new feature or medium-to-large changeAdding a new feature or medium-to-large change

Status: Open.

#2463 In terrapower/armi;

· john-science opened on Feb 26, 2026

Blueprints loading technical debt

enhancementImproving an existing featureImproving an existing feature

Status: Open.

#2449 In terrapower/armi;

· opotowsky opened on Feb 5, 2026

Cannot reload from database that includes Nitrogen-14

bugModeling results may be incorrect: Highest PriorityModeling results may be incorrect: Highest Priority

Status: Open.

#2431 In terrapower/armi;

· keckler opened on Jan 19, 2026