Backport backup 3.4 Changes (#44126)

* Changelog and readme.txt edits.

* Update changelog message

Co-authored-by: tbradsha <32492176+tbradsha@users.noreply.github.com>

* Update projects/packages/connection/CHANGELOG.md

Co-authored-by: tbradsha <32492176+tbradsha@users.noreply.github.com>

* Update projects/packages/explat/CHANGELOG.md

Co-authored-by: tbradsha <32492176+tbradsha@users.noreply.github.com>

* Update projects/packages/sync/CHANGELOG.md

Co-authored-by: tbradsha <32492176+tbradsha@users.noreply.github.com>

* Update projects/plugins/backup/readme.txt

---------

Co-authored-by: tbradsha <32492176+tbradsha@users.noreply.github.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/15932786765

Upstream-Ref: Automattic/jetpack@94212d2

Author: myhro

composer.json

@@ -4,7 +4,7 @@
 	"type": "wordpress-plugin",
 	"license": "GPL-2.0-or-later",
 	"require": {
-		"automattic/jetpack-device-detection": "^3.0.9-alpha"
+		"automattic/jetpack-device-detection": "^3.0.9"
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^4.0.0",

composer.lock

@@ -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/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [3.0.9-alpha] - unreleased
-
-This is an alpha version! The changes listed here are not final.
+## [3.0.9] - 2025-06-27
+### Changed
+- Internal updates.
 
 ## [3.0.8] - 2025-06-09
 ### Fixed
@@ -248,7 +248,7 @@ This is an alpha version! The changes listed here are not final.
 
 - Moving jetpack_is_mobile into a package
 
-[3.0.9-alpha]: https://github.com/Automattic/jetpack-device-detection/compare/v3.0.8...v3.0.9-alpha
+[3.0.9]: https://github.com/Automattic/jetpack-device-detection/compare/v3.0.8...v3.0.9
 [3.0.8]: https://github.com/Automattic/jetpack-device-detection/compare/v3.0.7...v3.0.8
 [3.0.7]: https://github.com/Automattic/jetpack-device-detection/compare/v3.0.6...v3.0.7
 [3.0.6]: https://github.com/Automattic/jetpack-device-detection/compare/v3.0.5...v3.0.6

vendor/automattic/jetpack-device-detection/CHANGELOG.md

@@ -2,12 +2,12 @@
     "packages": [
         {
             "name": "automattic/jetpack-device-detection",
-            "version": "3.0.9-alpha.1750867098",
-            "version_normalized": "3.0.9.0-alpha1750867098",
+            "version": "3.0.9",
+            "version_normalized": "3.0.9.0",
             "dist": {
                 "type": "path",
                 "url": "/tmp/jetpack-build/Automattic/jetpack-device-detection",
-                "reference": "0261a4b754129b72c47526e651dcaeee55553fb8"
+                "reference": "2bfa30579598ff003ee928a1da082d538d84a033"
             },
             "require": {
                 "php": ">=7.2"

vendor/composer/installed.json

@@ -11,9 +11,9 @@
     ),
     'versions' => array(
         'automattic/jetpack-device-detection' => array(
-            'pretty_version' => '3.0.9-alpha.1750867098',
-            'version' => '3.0.9.0-alpha1750867098',
-            'reference' => '0261a4b754129b72c47526e651dcaeee55553fb8',
+            'pretty_version' => '3.0.9',
+            'version' => '3.0.9.0',
+            'reference' => '2bfa30579598ff003ee928a1da082d538d84a033',
             'type' => 'jetpack-library',
             'install_path' => __DIR__ . '/../automattic/jetpack-device-detection',
             'aliases' => array(),