From 25615bb53c5a4d8ad4ca29609fe55c4428fdc38b Mon Sep 17 00:00:00 2001
From: Martin Larralde <martin.larralde@embl.de>
Date: Wed, 17 Jan 2024 23:27:23 +0100
Subject: [PATCH] Release v0.5.0-a4

---
 CHANGELOG.md       | 16 +++++++++++++++-
 pyopal/_version.py |  2 +-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 938c0ab..007eeb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,21 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 
 ## [Unreleased]
-[Unreleased]: https://github.com/althonos/pyopal/compare/v0.5.0-a3...HEAD
+[Unreleased]: https://github.com/althonos/pyopal/compare/v0.5.0-a4...HEAD
+
+
+## [v0.5.0-a4] - 2024-01-17
+[v0.5.0-a4]: https://github.com/althonos/pyopal/compare/v0.5.0-a3...v0.5.0-a4
+
+### Added
+- `encode_into` and `decode_into` sans-io methods of `Alphabet`.
+- `Aligner` class to handle alignment of a query to a database.
+- `ScoreMatrix.__eq__` implementation.
+- `Database.lengths` property to get the lengths of all the sequences in a database without decoding them.
+- `pyopal.align` top-level function to handle multithreaded alignments.
+
+### Fixed
+- `FullResult.cigar` crashing on alignments starting with `X`.
 
 
 ## [v0.5.0-a3] - 2024-01-15
diff --git a/pyopal/_version.py b/pyopal/_version.py
index a227822..2b4d986 100644
--- a/pyopal/_version.py
+++ b/pyopal/_version.py
@@ -1 +1 @@
-__version__ = "0.5.0-a3"
+__version__ = "0.5.0-a4"