diff --git a/.github/workflows/auto-release.yml b/.github/workflows/auto-release.yml
index 2a779198..de07ad1d 100644
--- a/.github/workflows/auto-release.yml
+++ b/.github/workflows/auto-release.yml
@@ -2,11 +2,14 @@ name: auto-release
 
 on:
   pull_request:
-    types: [closed]
+    branches:
+      - main
+    types:
+      - closed
 
 jobs:
   create-release:
-    if: github.event.pull_request.merged
+    if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
     steps:
     -
diff --git a/VERSION b/VERSION
index 0501b79e..56fea8a0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.6
\ No newline at end of file
+3.0.0
\ No newline at end of file
diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
diff --git a/composer.lock b/composer.lock
index d289834b..0472842e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,11 +8,11 @@
     "packages": [
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.40",
+            "version": "2.1.54",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
-                "reference": "9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/8be50c3992107dc837b17da4d140fbbdf9a5c5bd",
+                "reference": "8be50c3992107dc837b17da4d140fbbdf9a5c5bd",
                 "shasum": ""
             },
             "require": {
@@ -57,7 +57,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-02-23T15:04:35+00:00"
+            "time": "2026-04-29T13:31:09+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/obadiah.code-workspace b/obadiah.code-workspace
index 32e6d823..9c7adf4a 100644
--- a/obadiah.code-workspace
+++ b/obadiah.code-workspace
@@ -7,13 +7,5 @@
 	"settings": {
 		"editor.renderWhitespace": "boundary",
 		"files.trimTrailingWhitespace": true,
-		"nushellLanguageServer.includeDirs": [
-			"Q:/src/docker/alpine/overlay/etc/nu/scripts",
-			"Q:/src/docker/nginx-php/overlay/etc/nu/scripts",
-			"Q:/src/docker/php/overlay/etc/nu/scripts",
-			"/Users/bcg/src/docker/alpine/overlay/etc/nu/scripts",
-			"/Users/bcg/src/docker/nginx-php/overlay/etc/nu/scripts",
-			"/Users/bcg/src/docker/php/overlay/etc/nu/scripts"
-		]
 	}
 }
diff --git a/src/api/safeguarding/safeguarding.class.php b/src/api/safeguarding/safeguarding.class.php
index 75720343..32cde7ed 100644
--- a/src/api/safeguarding/safeguarding.class.php
+++ b/src/api/safeguarding/safeguarding.class.php
@@ -157,7 +157,7 @@ public function reference_post(): Json
         Log::debug("Reference form received: %s", json_encode($form));
 
         // remove hyphens from select values
-        $get_select = fn(int $num) => str_replace("-", " ", Arr::get($form, "select_$num"));
+        $get_select = fn(int $num) => str_replace("-", " ", Arr::get($form, "select_$num", ""));
 
         // map JSON to Baserow table fields
         $row = array(
@@ -170,12 +170,12 @@ public function reference_post(): Json
             "Equality" => $get_select(4),
             "Honesty etc" => $get_select(5),
             "Comments" => Arr::get($form, "textarea_1"),
-            "Health" => Arr::get($form, "select_6"),
+            "Health" => $get_select(6),
             "Health Details" => Arr::get($form, "textarea_2"),
-            "Unsuitability" => Arr::get($form, "select_7"),
+            "Unsuitability" => $get_select(7),
             "Unsuitability Details" => Arr::get($form, "textarea_3"),
             "Referee Full Name" => Arr::get($form, "name_2"),
-            "Confirm" => Arr::get($form, "checkbox_1") == "true",
+            "Confirm" => Arr::get_boolean($form, "checkbox_1"),
             "Referee Email" => Arr::get($form, "email_1"),
             "Referee Phone" => Arr::get($form, "phone_1"),
         );
diff --git a/src/classes/cache/cache.class.php b/src/classes/cache/cache.class.php
index 14190448..acd114f8 100644
--- a/src/classes/cache/cache.class.php
+++ b/src/classes/cache/cache.class.php
@@ -353,19 +353,23 @@ private static function get_or_set(string $id, callable $callable, array $args =
 
         // get path to cache file
         $path = self::get_cache_file_path($id);
+        $get_current_value = fn() => Serialise::parse(IO::file_get_contents($path));
 
         // if the file exists, and the cache file has not expired, read and unserialise the value
         $last_modified = self::get_last_modified($path);
         if (time() - $last_modified < self::$duration_in_seconds) {
-            return Serialise::parse(IO::file_get_contents($path));
+            return $get_current_value();
         }
 
         // get a fresh value and serialise it to the cache
         $value = call_user_func($callable, ...$args);
-        file_put_contents($path, Serialise::store($value));
+        if ($value !== false) {
+            file_put_contents($path, Serialise::store($value));
+            return $value;
+        }
 
-        // return value
-        return $value;
+        // failed to get fresh value so return current cache value
+        return $get_current_value();
     }
 
     /**
diff --git a/src/classes/preload/preload.class.php b/src/classes/preload/preload.class.php
index b7885931..c553647d 100644
--- a/src/classes/preload/preload.class.php
+++ b/src/classes/preload/preload.class.php
@@ -34,13 +34,8 @@ public static function get_events(): array
             // clear events cache
             Cache::clear_events();
 
-            // build query to preload events for this month
-            $today = new DateTimeImmutable(timezone: C::$events->timezone);
-            $start_of_month = $today->modify("first day of")->format(C::$formats->sortable_date);
-            $query = http_build_query(array("date_start" => $start_of_month));
-
             // get events
-            Cache::get_events($query, fn($q) => Events::get_events($q), true);
+            Cache::get_events(Events::get_default_query(), fn($q) => Events::get_events($q), true);
         });
     }
 
diff --git a/src/pages/events/events.class.php b/src/pages/events/events.class.php
index 15c344b5..b1242086 100644
--- a/src/pages/events/events.class.php
+++ b/src/pages/events/events.class.php
@@ -76,6 +76,18 @@ private static function get_query(array $values): string
         return http_build_query($query);
     }
 
+    /**
+     * Return default events query to retrieve events for the current month.
+     *
+     * @return string                               URL-encoded query (using http_build_query()).
+     */
+    public static function get_default_query(): string
+    {
+        $today = new DateTimeImmutable(timezone: C::$events->timezone);
+        $start_of_month = $today->modify("first day of")->format(C::$formats->sortable_date);
+        return self::get_query(array("date_start" => $start_of_month));
+    }
+
     /**
      * Get events from Church Suite matching the query.
      *
diff --git a/src/pages/home/home.class.php b/src/pages/home/home.class.php
index ce53ca7e..9290d5df 100644
--- a/src/pages/home/home.class.php
+++ b/src/pages/home/home.class.php
@@ -3,9 +3,12 @@
 namespace Obadiah\Pages\Home;
 
 use DateInterval;
+use DateTime;
 use DateTimeImmutable;
 use Obadiah\App;
+use Obadiah\Cache\Cache;
 use Obadiah\Config\Config as C;
+use Obadiah\Pages\Events\Events;
 use Obadiah\Pages\Home\Index_Model;
 use Obadiah\Response\View;
 use Obadiah\Rota\Rota;
@@ -36,11 +39,23 @@ public function index_get(): View
             "api" => C::$login->api
         );
 
+        $stale_cache = new DateTime("now", C::$events->timezone);
+        $stale_cache->sub(new DateInterval(sprintf("PT%sS", C::$cache->duration_in_seconds)));
+        $check_cache = fn(int $timestamp) => $timestamp > $stale_cache->getTimestamp();
+
         return new View("home", model: new Index_Model(
             this_week: $this_week,
             upcoming: Rota::upcoming_sundays(),
             refresh_print: $refresh_print,
-            refresh_feed: $refresh_feed
+            refresh_feed: $refresh_feed,
+            caches_check: array(
+                "bible" => $check_cache(Cache::get_bible_plan_last_modified()),
+                "events" => $check_cache(Cache::get_events_last_modified(Events::get_default_query())),
+                "lectionary" => $check_cache(Cache::get_lectionary_last_modified()),
+                "people" => $check_cache(Cache::get_people_last_modified()),
+                "refresh" => $check_cache(Cache::get_refresh_last_modified()),
+                "rota" => $check_cache(Cache::get_rota_last_modified())
+            )
         ));
     }
 }
diff --git a/src/pages/home/index-model.class.php b/src/pages/home/index-model.class.php
index f3118505..1c1ee8c7 100644
--- a/src/pages/home/index-model.class.php
+++ b/src/pages/home/index-model.class.php
@@ -15,11 +15,13 @@ class Index_Model
      * @param mixed[] $upcoming         Rota filter values to show upcoming Sunday services.
      * @param mixed[] $refresh_print    Query values to link to printable version of this month's refresh calendar.
      * @param mixed[] $refresh_feed     Query values to enable refresh ICS feed.
+     * @param mixed[] $caches_check     Whether or not caches have been updated recently.
      */
     public function __construct(
         public readonly array $this_week,
         public readonly array $upcoming,
         public readonly array $refresh_print,
-        public readonly array $refresh_feed
+        public readonly array $refresh_feed,
+        public readonly array $caches_check,
     ) {}
 }
diff --git a/src/pages/home/index-view.php b/src/pages/home/index-view.php
index ecb1bfc1..c409ad05 100644
--- a/src/pages/home/index-view.php
+++ b/src/pages/home/index-view.php
@@ -34,6 +34,11 @@
 
 <?php if (Request::$session->is_admin) : ?>
     <h2>Caches</h2>
+    <p>
+        <?php foreach($model->caches_check as $key => $value): ?>
+            <?php _h("%s %s", $value ? "<span class=\"text-success\">&check;</span>" : "<span class=\"text-danger\">&cross;</span>", ucfirst($key)); ?></br>
+        <?php endforeach; ?>
+        </p>
     <p><a href="#" id="reload-link">Reload</a> caches (this happens automatically every <?php _e("%s", C::$cache->duration_in_seconds / 60); ?> minutes).</p>
     <div id="reload"></div>
 <?php endif; ?>
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 1608b909..a50f1521 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -2,12 +2,12 @@
     "packages": [
         {
             "name": "phpstan/phpstan",
-            "version": "2.1.40",
-            "version_normalized": "2.1.40.0",
+            "version": "2.1.54",
+            "version_normalized": "2.1.54.0",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
-                "reference": "9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/8be50c3992107dc837b17da4d140fbbdf9a5c5bd",
+                "reference": "8be50c3992107dc837b17da4d140fbbdf9a5c5bd",
                 "shasum": ""
             },
             "require": {
@@ -16,7 +16,7 @@
             "conflict": {
                 "phpstan/phpstan-shim": "*"
             },
-            "time": "2026-02-23T15:04:35+00:00",
+            "time": "2026-04-29T13:31:09+00:00",
             "bin": [
                 "phpstan",
                 "phpstan.phar"
diff --git a/vendor/composer/installed.php b/vendor/composer/installed.php
index e0ffa247..3a259bce 100644
--- a/vendor/composer/installed.php
+++ b/vendor/composer/installed.php
@@ -1,9 +1,9 @@
 <?php return array(
     'root' => array(
         'name' => '__root__',
-        'pretty_version' => '2.3.2.x-dev',
-        'version' => '2.3.2.9999999-dev',
-        'reference' => 'cd0e079c93e8c974483a2d9b19f8b8f0f453b8cf',
+        'pretty_version' => '3.0.0.x-dev',
+        'version' => '3.0.0.9999999-dev',
+        'reference' => '88f6c2aba24a686009f9c616ef96da63664040d4',
         'type' => 'library',
         'install_path' => __DIR__ . '/../../',
         'aliases' => array(),
@@ -11,18 +11,18 @@
     ),
     'versions' => array(
         '__root__' => array(
-            'pretty_version' => '2.3.2.x-dev',
-            'version' => '2.3.2.9999999-dev',
-            'reference' => 'cd0e079c93e8c974483a2d9b19f8b8f0f453b8cf',
+            'pretty_version' => '3.0.0.x-dev',
+            'version' => '3.0.0.9999999-dev',
+            'reference' => '88f6c2aba24a686009f9c616ef96da63664040d4',
             'type' => 'library',
             'install_path' => __DIR__ . '/../../',
             'aliases' => array(),
             'dev_requirement' => false,
         ),
         'phpstan/phpstan' => array(
-            'pretty_version' => '2.1.40',
-            'version' => '2.1.40.0',
-            'reference' => '9b2c7aeb83a75d8680ea5e7c9b7fca88052b766b',
+            'pretty_version' => '2.1.54',
+            'version' => '2.1.54.0',
+            'reference' => '8be50c3992107dc837b17da4d140fbbdf9a5c5bd',
             'type' => 'library',
             'install_path' => __DIR__ . '/../phpstan/phpstan',
             'aliases' => array(),
diff --git a/vendor/phpstan/phpstan/bootstrap.php b/vendor/phpstan/phpstan/bootstrap.php
index 889755e6..53370b56 100644
--- a/vendor/phpstan/phpstan/bootstrap.php
+++ b/vendor/phpstan/phpstan/bootstrap.php
@@ -27,8 +27,9 @@ final public static function loadClass(string $class): void {
 			if (self::$composerAutoloader === null) {
 				self::$composerAutoloader = require 'phar://' . __DIR__ . '/phpstan.phar/vendor/autoload.php';
 				require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/jetbrains/phpstorm-stubs/PhpStormStubsMap.php';
-				require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/react/async/src/functions_include.php';
 				require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/react/promise/src/functions_include.php';
+                require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/ralouphie/getallheaders/src/getallheaders.php';
+                require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/guzzlehttp/guzzle/src/functions_include.php';
 			}
 			self::$composerAutoloader->loadClass($class);
 
@@ -106,7 +107,7 @@ final public static function loadClass(string $class): void {
             if (
                 PHP_VERSION_ID < 80400
                 && empty ($GLOBALS['__composer_autoload_files']['9d2b9fc6db0f153a0a149fefb182415e'])
-                && !class_exists(\Symfony\Polyfill\Php83\Php84::class, false)
+                && !class_exists(\Symfony\Polyfill\Php84\Php84::class, false)
             ) {
                 $GLOBALS['__composer_autoload_files']['9d2b9fc6db0f153a0a149fefb182415e'] = true;
                 require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/symfony/polyfill-php84/Php84.php';
@@ -116,7 +117,7 @@ final public static function loadClass(string $class): void {
             if (
                 PHP_VERSION_ID < 80500
                 && empty ($GLOBALS['__composer_autoload_files']['606a39d89246991a373564698c2d8383'])
-                && !class_exists(\Symfony\Polyfill\Php83\Php85::class, false)
+                && !class_exists(\Symfony\Polyfill\Php85\Php85::class, false)
             ) {
                 $GLOBALS['__composer_autoload_files']['606a39d89246991a373564698c2d8383'] = true;
                 require_once 'phar://' . __DIR__ . '/phpstan.phar/vendor/symfony/polyfill-php85/Php85.php';
diff --git a/vendor/phpstan/phpstan/phpstan.phar b/vendor/phpstan/phpstan/phpstan.phar
index c14530e6..d5e9ae7f 100755
Binary files a/vendor/phpstan/phpstan/phpstan.phar and b/vendor/phpstan/phpstan/phpstan.phar differ
diff --git a/vendor/phpstan/phpstan/phpstan.phar.asc b/vendor/phpstan/phpstan/phpstan.phar.asc
index 55bd625b..1de20682 100644
--- a/vendor/phpstan/phpstan/phpstan.phar.asc
+++ b/vendor/phpstan/phpstan/phpstan.phar.asc
@@ -1,16 +1,16 @@
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