Prepare changelog 3.15.0, fix recommended PHP8.2

CHANGELOG.md

@@ -1,3 +1,20 @@
+### 3.15.0
+New requirements!
+  * Bump required PHP version to 7.1 or higher (#1084), recommend PHP8.2
+  * Bump required WordPress version to 5.0 or higher (#1084)
+  * Abandon support for Internet Explorer (#1313), note it's no longer supported from WP5.8
+
+Core
+* Add PHP7.1 type check declarations (#1314), this may create regressions occasionally but also help to find latent bugs
+* Make use of PHP7.0 null coalesce `??` operator (#1084)
+* Lint PHP by removing unnecessary local vars (#1316)
+* Lint PHP by simplifying expressions (#1317)
+* Move deprecated functions to a separate file (#1311)
+* Fix warning deprecated `qtranslate_admin_page_config` hook (#1315)
+
+Modules
+* Fix regression in 3.14.0 with ACF Post Object [qT-XT] (#1320)
+
 ### 3.14.0
 Summary
 * Major update for ACF, bump minimal version 5.6.0

src/admin/activation_hook.php

@@ -757,7 +757,7 @@ function qtranxf_activation_hook(): void {
     if ( version_compare( PHP_VERSION, '7.1' ) < 0 ) {
         // Deactivate ourself
         load_plugin_textdomain( 'qtranslate', false, basename( QTRANSLATE_DIR ) . '/lang' );
-        $msg = sprintf( __( 'Plugin %s requires PHP version %s at least. This server instance runs PHP version %s. A PHP version %s or higher is recommended. The plugin has not been activated.', 'qtranslate' ), qtranxf_get_plugin_link(), '7.1', PHP_VERSION, '8.3' );
+        $msg = sprintf( __( 'Plugin %s requires PHP version %s at least. This server instance runs PHP version %s. A PHP version %s or higher is recommended. The plugin has not been activated.', 'qtranslate' ), qtranxf_get_plugin_link(), '7.1', PHP_VERSION, '8.2' );
         deactivate_plugins( plugin_basename( QTRANSLATE_FILE ) );
         wp_die( $msg );
     }