# DuckDB v1.4.0 — Release & Upgrade Intelligence
- **Product:** DuckDB (https://duckdb.org)
- **Version:** v1.4.0
- **Released:** Sep 16, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/duckdb/updates/v1.4.0/

## Executive Summary (TL;DR)
DuckDB v1.4.0. Source highlight: This release of DuckDB is named "Andium" after Anas Andium, a species of duck that lives in the Andes mountains in South America.

## New Features
- Add support for ToSqlString for union types
- Add rowsort in generate_series test #43
- [SQLLogicTester] Introduce `reset label <query label>` in the tester
- Add qualified parameter to Python GetTableNames API
- Add `duckdb_type` column to parquet_schema
- julia: add missing methods from C-API

## Improvements
- Python package devexp improvements
- Aggregation performance
- [Julia] api docs improvements
- Improve sort key comparison performance
- Detect when updates have no effect, and skip performing the actual updates if we encounter these nop updates
- Improve Parquet reader `NULL` statistics and compress all-`NULL` columns using `CompressedMaterialization`

## Bug Fixes
- fix extension troubleshooting link
- Output hashes in unittest and fix order
- fix linux extension ci
- Fix windows-2025 build errors
- re-add httpfs apply_patches
- Fix propagatesNullValues for case expr