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documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#2542 In terrapower/armi;

· john-science opened on May 21, 2026

Operator.snapshotRequest seemingly does not use full database path when copying Loading definition for snapshot

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

enhancementImproving an existing featureImproving an existing feature

Status: Open.

#2539 In terrapower/armi;

· john-science opened on May 19, 2026

The getReactionRates method fails when not provided a number density

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

Status: Open.

#2538 In terrapower/armi;

· john-science opened on May 19, 2026

Support equality of settings objects

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

Status: Open.

#2535 In terrapower/armi;

· drewj-tp opened on May 13, 2026

Move matProps venv dir logic into setMaterialNamespaceOrder

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

Status: Open.

#2520 In terrapower/armi;

· john-science opened on Apr 30, 2026

Implement data schema validation for matProps-loaded yaml files

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

Status: Open.

#2504 In terrapower/armi;

· opotowsky opened on Apr 14, 2026

Support passing formatting args to at least runLog.debug

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

Status: Open.

#2495 In terrapower/armi;

· drewj-tp opened on Apr 7, 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

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

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