# dbt Core v0.12.0 — Release & Upgrade Intelligence
- **Product:** dbt Core (https://www.getdbt.com)
- **Version:** v0.12.0
- **Released:** Nov 13, 2018
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/dbt-core/updates/v0.12.0/

## Executive Summary (TL;DR)
dbt Core v0.12.0. Source highlight: dbt 0.12.0 - Guion Bluford (November 12, 2018)

## Breaking Changes & Deprecations
- Breaking Changes - Support for the `repositories:` block in `dbt_project.yml` (deprecated in 0.10.0) was removed. Use the `packages.yml` file instead ([docs](https://docs.getdbt.com/docs/package-management))

## New Features
- Add a list of schemas to the `on-run-end` context
- Cache the existence of relations to speed up dbt runs (#1025)
- Add support for tag configuration and selection (#1014)
- Add tags to the model and graph views in the docs UI (#7)
- Add the set of schemas that dbt built models into in the `on-run-end` hook context (#908)
- Warn for unused resource config paths in dbt_project.yml (#725)

## Bug Fixes
- Fix for incorrect model selection with the `--models` CLI flag when projects and directories share the same name (#1023)
- Fix for table clustering configuration with multiple columns on BigQuery (#1013)
- Fix for incorrect output when a single row fails validation in `dbt test` (#1040)
- Fix for unwieldly Jinja errors regarding undefined variables at parse time (#1086, #1080, #935)
- Fix for incremental models that have a line comment on the last line of the file (#1018)
- Fix for error messages when ephemeral models fail to compile (#1053)