# Changelog

All notable changes to this project will be documented in this file.

## Released

## 2.2.6 - 2021-06-21

### Fixed
- Proper typing for xarrays.

### Changed
- Significant reading speed-up through memmap.

## 2.2.4 - 2021-06-18

### Changed
- Significant reading speed-up through memmap.

## 2.2.3 - 2020-11-18

### Changed
- Removed read_plink deprecation.
- Updated Example.ipynb
- Improved read_plink documentation.

### Added
- Support for Python 3.9.

## 2.2.1 - 2020-10-07

### Fixed
- Broken CHANGELOG link.

## 2.2.0 - 2020-10-07

### Added
- Added PLINK writer.

### Fixed
- Proper support for sample major layout.

## 2.1.0 - 2020-10-06

### Added
- User can specify reference allele.

### Changed
- IO optimization.

## 2.0.4 - 2020-02-07

### Fixed
- Progress bar flushes at the end.

## 2.0.0 - 2019-05-29

### Added
- Reader for PLINK realized relationship matrix.
- Reader for GCTA realized relationship matrix.
- Simplified reader for PLINK BED files.