# Powerbi AI Semantic Model Diff Regression

> Use when two Power BI semantic model versions must be compared for breaking changes in TMDL, measures, columns, relationships, RLS/OLS, display metadata, or report impact.

- Skill: `rweisssieker-xp/powerbi-ai-semantic-model-diff-regression` (Agent Skill)
- Install (CLI): `npx skillmds@latest add rweisssieker-xp/powerbi-ai-semantic-model-diff-regression`
- Raw SKILL.md: https://api.skillmd.com/api/skills/rweisssieker-xp/powerbi-ai-semantic-model-diff-regression/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: rweisssieker-xp (https://skillmd.com/u/rweisssieker-xp)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/rweisssieker-xp/powerbi-ai-semantic-model-diff-regression

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# Power BI AI Semantic Model Diff and Regression

Use this skill before accepting model changes.

## Diff Areas

- Added, removed, renamed, or type-changed columns.
- Added, removed, renamed, or changed measures.
- Relationship, cardinality, direction, and active-state changes.
- RLS/OLS and perspective changes.
- Report visual impact and broken bindings.
- KPI contract and certification impact.

## Output Requirements

- Include breaking changes, non-breaking changes, affected artifacts, regression tests, and mitigation.
- Mark untested measure changes as risks.