diff --git a/CHANGELOG.md b/CHANGELOG.md
index 242887cb..16cd7122 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.0.0-alpha1.3] - 2024-04-12
+
+### Fixed
+- Raw float passing. (Issue #157)
+- Channel synchronization.
+
+- Raw float passing. (Issue #157)
+- Channel synchronization.
+
+### Added
+- MailboxProcessor replaced with custom agent on System.Threading.Channels.
+
 ## [3.0.0-alpha1.2] - 2024-04-12
 
 ### Fixed
@@ -296,7 +308,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - FSharp.Core form NuGet
 - .NET 4.5
 
-[Unreleased]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v3.0.0-alpha1.2...HEAD
+[Unreleased]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v3.0.0-alpha1.3...HEAD
+[3.0.0-alpha1.3]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v2.0.5...v3.0.0-alpha1.3
 [3.0.0-alpha1.2]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v2.0.5...v3.0.0-alpha1.2
 [3.0.0-alpha1.1]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v2.0.5...v3.0.0-alpha1.1
 [2.0.5]: https://github.com/YaccConstructor/Brahma.FSharp/compare/v2.0.4...v2.0.5