FeatX extracts epic-feature hierarchies with code mappings from repositories and applies feature edits via a three-stage Evolution Agent, reporting 42.6% relative F1 gain in function-level localization and lower cognitive load versus vanilla ChatGPT in a user study and 38-commit replay.
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FeatX: Editing Software by Editing Features for Repository-Level Code Evolution
FeatX extracts epic-feature hierarchies with code mappings from repositories and applies feature edits via a three-stage Evolution Agent, reporting 42.6% relative F1 gain in function-level localization and lower cognitive load versus vanilla ChatGPT in a user study and 38-commit replay.