diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c0f5510..af522f0 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-	".": "0.5.0"
+	".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..27b8ca4
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,48 @@
+# Changelog
+
+## [1.0.0](https://github.com/nlemoine/page-for-custom-post-type/compare/0.5.0...1.0.0) (2026-05-08)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate pre-1.0 installs to opt-in use_slug
+* Refactor plugin
+
+### Features
+
+* Add body class filtering for custom post type pages ([2799975](https://github.com/nlemoine/page-for-custom-post-type/commit/27999757e2a22a9b1166597461cce35a796dd029)), closes [#8](https://github.com/nlemoine/page-for-custom-post-type/issues/8)
+* Add coverage for WPML in QA workflow ([649739d](https://github.com/nlemoine/page-for-custom-post-type/commit/649739dfb2030104db014b7c5a4df3421e0638aa))
+* Add integration for The SEO Framework with custom ACF location rules and breadcrumbs ([ba8e6fe](https://github.com/nlemoine/page-for-custom-post-type/commit/ba8e6fe0d4ed18ea4324783f73a49195d02fa398))
+* Add WPML integration ([3436613](https://github.com/nlemoine/page-for-custom-post-type/commit/34366132cd554183f0e5295b8add66baf3569893))
+* clean up plugin options on uninstall ([7654442](https://github.com/nlemoine/page-for-custom-post-type/commit/76544422c96db33e5c9a89310bf3157f7da73218))
+* Enhance coverage generation with additional test suites and merge functionality ([ea298fd](https://github.com/nlemoine/page-for-custom-post-type/commit/ea298fd55b62b695b706f2f291160e75e92ec814))
+* Enhance integration tests for Polylang and Yoast SEO by clearing caches and ensuring indexables ([936b8de](https://github.com/nlemoine/page-for-custom-post-type/commit/936b8de4dd065bf014d94a8737fb5b4d9da1e24b))
+* Enhance Polylang integration by setting default language for pages and cleaning up global state in tests ([a245d79](https://github.com/nlemoine/page-for-custom-post-type/commit/a245d79a33784fdd0246c27fdc20b86de0507e0c))
+* Enhance Yoast SEO integration with targeted fix for page detection logic ([3aaeaf5](https://github.com/nlemoine/page-for-custom-post-type/commit/3aaeaf58048f25abfee6c70620dbc6d332263c81))
+* Ensure default language is set for Polylang to prevent TypeError in post creation ([b4505db](https://github.com/nlemoine/page-for-custom-post-type/commit/b4505db4b9c55c2db274f1c15bb65e2a408390cb))
+* i18n with .pot file generation ([a01dcb9](https://github.com/nlemoine/page-for-custom-post-type/commit/a01dcb969f5ec86ac55c1c020c3ce1e8cc0de797))
+* Improve integration tests by ensuring taxonomy registration and updating Polylang language setup ([f845ff8](https://github.com/nlemoine/page-for-custom-post-type/commit/f845ff8b21428a3a43108c99e6b71c76e4513e18))
+* Improve permalink handling in dropdown and set default language for Polylang ([84125ec](https://github.com/nlemoine/page-for-custom-post-type/commit/84125ecd60b37efea0c8253564908cb6a2d540f9))
+* improve PHPStan ([a951c02](https://github.com/nlemoine/page-for-custom-post-type/commit/a951c023361a12e32a6c2cf9d681860ad74da703))
+* improve PHPStan ([549594f](https://github.com/nlemoine/page-for-custom-post-type/commit/549594f9f708cabff918a3758655a76e738bf54d))
+* Improve type safety and error handling across various components ([1187447](https://github.com/nlemoine/page-for-custom-post-type/commit/11874476f78bd11e0955f7f22833f683ce110462))
+* migrate pre-1.0 installs to opt-in use_slug ([86a25c1](https://github.com/nlemoine/page-for-custom-post-type/commit/86a25c169c658e112a0146f7a5faa7a5d3359d5c))
+* Refactor language setup in tests to use PLL()->model directly for improved reliability ([4791882](https://github.com/nlemoine/page-for-custom-post-type/commit/4791882a9be7b009707f3d7cc61093d4b902166e))
+* Refactor plugin ([736a7e4](https://github.com/nlemoine/page-for-custom-post-type/commit/736a7e49c0b5e2e535ad76f100d1d9f4a0ce3cc2))
+* Set up Polylang languages in tests to prevent TypeError during post creation ([7084b02](https://github.com/nlemoine/page-for-custom-post-type/commit/7084b0201cca7cf89a2358c242ee82dd0d42035d))
+* Update function calls to use namespaced versions for improved clarity and maintainability ([a42e71d](https://github.com/nlemoine/page-for-custom-post-type/commit/a42e71d4e1971edc4409c06afa13a0c984834e80))
+* Update integration tests to include WordPress version matrix and improve error handling ([a5ce2cf](https://github.com/nlemoine/page-for-custom-post-type/commit/a5ce2cf8bca5a63deeb61eb2d23352cf31dae354))
+* Update page slug display in dropdown and improve related descriptions for SEO impact ([ddcd5f5](https://github.com/nlemoine/page-for-custom-post-type/commit/ddcd5f53c6b03f1976bc4f97277508dc325eb438))
+* Update README for clarity and enhance bootstrap process for Polylang integration ([cc6f2b9](https://github.com/nlemoine/page-for-custom-post-type/commit/cc6f2b9680f568eab9e0ececa276dfd2aa25df74))
+* warn before slug changes for assigned CPT pages ([ca1113e](https://github.com/nlemoine/page-for-custom-post-type/commit/ca1113effbe96e3c3ccd919407bc8c6b9b8d2e1a))
+
+
+### Bug Fixes
+
+* Flush rewrite rules on any permalink-affecting page update ([d151975](https://github.com/nlemoine/page-for-custom-post-type/commit/d1519758bba749bf13b5aa3c7ed1e6052837142b))
+* reset Migrator CURRENT_VERSION to the last released version ([dfbb928](https://github.com/nlemoine/page-for-custom-post-type/commit/dfbb928c7c7206756ed5301f3c895de6ed1e1837))
+* use block markers for the Migrator version constant ([9f51bc2](https://github.com/nlemoine/page-for-custom-post-type/commit/9f51bc2b7738fd4d4f1314957fbd4ffc3b2b082a))
+* use constant ([08b2903](https://github.com/nlemoine/page-for-custom-post-type/commit/08b29038170b128f3216ad585528d0771aea8e5b))
+* wpseo ([a26d8ed](https://github.com/nlemoine/page-for-custom-post-type/commit/a26d8eda007437403f97d5059c183490562e7587))
+* wpseo ([35c984b](https://github.com/nlemoine/page-for-custom-post-type/commit/35c984bcdc5e75efec7dc75a72b6d6927b0beee0))
+* wpseo ([3fda593](https://github.com/nlemoine/page-for-custom-post-type/commit/3fda593e49e74ba93d4a8db0d11b60332540c648))
diff --git a/package.json b/package.json
index c9392d0..ce17d49 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "page-for-custom-post-type",
-	"version": "0.5.0",
+	"version": "1.0.0",
 	"private": true,
 	"description": "Editor scripts for the Page for custom post type WordPress plugin",
 	"packageManager": "pnpm@10.33.0",
diff --git a/plugin.php b/plugin.php
index 39c1510..f66a5b5 100644
--- a/plugin.php
+++ b/plugin.php
@@ -5,7 +5,7 @@
  * Plugin URI: https://github.com/nlemoine/page-for-custom-post-type
  * Description: Allows you to set pages for any custom post type archive
  * x-release-please-start-version
- * Version: 0.5.0
+ * Version: 1.0.0
  * x-release-please-end
  * Author: Nicolas Lemoine
  * Author URI: https://n5s.dev/
diff --git a/src/Lifecycle/Migrator.php b/src/Lifecycle/Migrator.php
index e2b82c4..ce27b4c 100644
--- a/src/Lifecycle/Migrator.php
+++ b/src/Lifecycle/Migrator.php
@@ -16,7 +16,7 @@ final class Migrator
 {
     private const DB_VERSION_OPTION = 'pfcpt_db_version';
     // x-release-please-start-version
-    private const CURRENT_VERSION = '0.5.0';
+    private const CURRENT_VERSION = '1.0.0';
     // x-release-please-end
 
     public function migrate(): void