diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d693a7b..1f825db7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,9 +5,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.0.0] - 2025-08-24
 
-First forked version from bludit
+First forked version from bludit. This version contain the first set of feature for Koblog to be an independant web oriented simple blog engine.
 
 ### Added
 
@@ -27,7 +27,7 @@ First forked version from bludit
 - Theme: Add a new pagination system that show a page list
 - Theme: Add a support for title and description for pagelist views (archive, tag, category, author and post-kind)
 - Theme: Add a way to easily get all the social network of an user
-- Theme: Add a new default theme, inspired by the old wordpress theme, with customisation support
+- Theme: Automatic menus with different styling for the current page
 - Sidebar: Add a social network widget
 
 ### Changed
@@ -38,4 +38,22 @@ First forked version from bludit
 - Admin/content: The sidebar is now always visible
 - Admin/settings: The site logo now use the global gallery
 - Admin/settings: Replace social network by a better list and make them more configurable
-- Theme: The theme plugin can now be part of the theme directly, to make it easier to install
\ No newline at end of file
+- Theme: The theme plugin can now be part of the theme directly, to make it easier to install
+
+### Removed
+
+- Removed the old themes from Bludit
+
+### New default theme
+
+Koblog include a new default theme, containing the following features :
+
+- Old wordpress-inspired blog-oriented design
+- Microformat 1 & 2 support
+- Dark mode support
+- Customization options
+  - Accent color
+  - Change the page and header background
+  - Small Thumbnail and show the default thumbnail when there is none
+  - Date format
+- Use the new feature of the blog engine (pronoun, etc)
\ No newline at end of file