diff --git a/.vortex/tooling/src/download-db-acquia b/.vortex/tooling/src/download-db-acquia
index 182208433..217438ae2 100644
--- a/.vortex/tooling/src/download-db-acquia
+++ b/.vortex/tooling/src/download-db-acquia
@@ -224,25 +224,35 @@ else {
     note(sprintf('Using the latest backup ID %s for DB %s.', $backup_id, $db_name));
 
     task('Discovering backup URL.');
-    $backup_url_response = request_get(sprintf('https://cloud.acquia.com/api/environments/%s/databases/%s/backups/%s/actions/download', $env_id, $db_name, $backup_id), dl_acquia_api_headers($token));
+    // The Acquia API responds with a 302 redirect to the final S3 download
+    // URL. Capture the redirect URL without following it to avoid sending the
+    // Authorization header to S3 - the auth header is required only to query
+    // the Acquia API.
+    $backup_url_response = request(sprintf('https://cloud.acquia.com/api/environments/%s/databases/%s/backups/%s/actions/download', $env_id, $db_name, $backup_id), ['method' => 'GET', 'headers' => dl_acquia_api_headers($token), 'follow_redirects' => FALSE]);
 
     if (!$backup_url_response['ok']) {
-      fail('Failed to retrieve backup URL for backup ID \'%s\'.', $backup_id);
+      fail(sprintf(
+        'Unable to discover backup URL for backup ID \'%s\' (status: %s, error: %s).',
+        $backup_id,
+        (string) ($backup_url_response['status'] ?? 'unknown'),
+        (string) ($backup_url_response['error'] ?? 'none')
+      ));
     }
 
-    $backup_url_data = json_decode((string) $backup_url_response['body'], TRUE);
-    $backup_url = $backup_url_data['url'] ?? '';
+    $backup_url = (string) ($backup_url_response['info']['redirect_url'] ?? '');
 
     if ($backup_url === '') {
       fail(sprintf('Unable to discover backup URL for backup ID \'%s\'.', $backup_id));
     }
 
     task(sprintf('Downloading DB dump into file %s.', $file_name_compressed));
-    $dl_response = request($backup_url, ['method' => 'GET', 'headers' => dl_acquia_api_headers($token), 'save_to' => $file_name_compressed, 'timeout' => 600]);
+    $dl_response = request($backup_url, ['method' => 'GET', 'save_to' => $file_name_compressed, 'timeout' => 600]);
     if (!$dl_response['ok']) {
       fail('Unable to download database %s.', $db_name);
     }
 
+    // Check if the downloaded file exists and has content. Leave the file in
+    // place on failure so it can be inspected.
     if (!file_exists($file_name_compressed) || filesize($file_name_compressed) === 0) {
       fail(sprintf('Downloaded file is empty or missing: %s', $file_name_compressed));
     }
@@ -253,15 +263,15 @@ else {
 
   task(sprintf('Expanding DB file %s into %s.', $file_name_compressed, $file_name));
 
+  // Test the gzip file first to ensure it's valid. Leave the file in place
+  // on failure so it can be inspected.
   $header = file_get_contents($file_name_compressed, FALSE, NULL, 0, 2);
   if ($header === FALSE || $header !== "\x1f\x8b") {
-    @unlink($file_name_compressed);
     fail(sprintf('Downloaded file is not a valid gzip archive: %s', $file_name_compressed));
   }
 
   $gz_in = @fopen('compress.zlib://' . $file_name_compressed, 'rb');
   if ($gz_in === FALSE) {
-    @unlink($file_name_compressed);
     // @codeCoverageIgnoreStart
     fail(sprintf('Unable to read compressed file %s.', $file_name_compressed));
     // @codeCoverageIgnoreEnd
@@ -270,7 +280,6 @@ else {
   $out = @fopen($file_name, 'wb');
   if ($out === FALSE) {
     fclose($gz_in);
-    @unlink($file_name_compressed);
     // @codeCoverageIgnoreStart
     fail(sprintf('Unable to write decompressed file %s.', $file_name));
     // @codeCoverageIgnoreEnd
@@ -280,17 +289,17 @@ else {
   fclose($gz_in);
   fclose($out);
 
+  // Check decompression result and file validity. Leave both files in place
+  // on failure so they can be inspected.
   if ($bytes === FALSE || $bytes === 0) {
-    @unlink($file_name_compressed);
-    @unlink($file_name);
     fail(sprintf('Downloaded file is not a valid gzip archive: %s', $file_name_compressed));
   }
 
-  @unlink($file_name_compressed);
-
   if (!file_exists($file_name) || filesize($file_name) === 0) {
     fail(sprintf('Unable to process DB dump file "%s".', $file_name));
   }
+
+  @unlink($file_name_compressed);
 }
 
 task(sprintf('Renaming file "%s" to "%s/%s".', $file_name, $db_dir, $db_file));
diff --git a/.vortex/tooling/src/helpers.php b/.vortex/tooling/src/helpers.php
index ce3155e75..f751c11e2 100755
--- a/.vortex/tooling/src/helpers.php
+++ b/.vortex/tooling/src/helpers.php
@@ -546,7 +546,7 @@ function request_post(string $url, $body = NULL, array $headers = [], int $timeo
  *
  * @param string $url
  *   URL to request.
- * @param array{method?: string, headers?: array<int, string>, body?: mixed, timeout?: int, save_to?: string, upload_file?: string, auth?: string} $options
+ * @param array{method?: string, headers?: array<int, string>, body?: mixed, timeout?: int, save_to?: string, upload_file?: string, auth?: string, follow_redirects?: bool} $options
  *   Array of options:
  *   - method: HTTP method (GET, POST, PUT, etc.)
  *   - headers: Array of HTTP headers
@@ -554,7 +554,9 @@ function request_post(string $url, $body = NULL, array $headers = [], int $timeo
  *   - timeout: Request timeout in seconds
  *   - save_to: Path to save response body to file
  *   - upload_file: Path to file to upload (sets CURLOPT_UPLOAD)
- *   - auth: 'user:pass' for CURLOPT_USERPWD authentication.
+ *   - auth: 'user:pass' for CURLOPT_USERPWD authentication
+ *   - follow_redirects: Whether to follow HTTP redirects (default: TRUE).
+ *     When FALSE, the redirect target is exposed via info.redirect_url.
  *
  * @return array{ok: bool, status: int, body: string|false, error: string|null, info: array<string, mixed>}
  *   Array with keys:
@@ -579,7 +581,7 @@ function request(string $url, array $options = []): array {
     /** @var array<int, mixed> $opts */
     $opts = [
       CURLOPT_RETURNTRANSFER => TRUE,
-      CURLOPT_FOLLOWLOCATION => TRUE,
+      CURLOPT_FOLLOWLOCATION => $options['follow_redirects'] ?? TRUE,
       CURLOPT_TIMEOUT => $options['timeout'] ?? 10,
     ];
 
diff --git a/.vortex/tooling/src/notify-email b/.vortex/tooling/src/notify-email
index 0c40284bd..7d908d9d2 100755
--- a/.vortex/tooling/src/notify-email
+++ b/.vortex/tooling/src/notify-email
@@ -13,6 +13,25 @@ namespace DrevOps\VortexTooling;
 require_once __DIR__ . '/helpers.php';
 execute_override(basename(__FILE__));
 
+// -----------------------------------------------------------------------------
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, email notifications are
+// only sent for deployments on the listed branches. When empty, no filtering
+// is applied. Checked before required variable validation so channels not
+// configured for the current branch can short-circuit cleanly.
+// -----------------------------------------------------------------------------
+
+$notify_email_branches = getenv_default('VORTEX_NOTIFY_EMAIL_BRANCHES', '');
+if ($notify_email_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_email_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping email notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 // Email notification project name.
diff --git a/.vortex/tooling/src/notify-github b/.vortex/tooling/src/notify-github
index cc7b7e15d..7ceb9af6e 100755
--- a/.vortex/tooling/src/notify-github
+++ b/.vortex/tooling/src/notify-github
@@ -20,6 +20,25 @@ namespace DrevOps\VortexTooling;
 require_once __DIR__ . '/helpers.php';
 execute_override(basename(__FILE__));
 
+// -----------------------------------------------------------------------------
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, GitHub notifications are
+// only sent for deployments on the listed branches. When empty, no filtering
+// is applied. Checked before required variable validation so channels not
+// configured for the current branch can short-circuit cleanly.
+// -----------------------------------------------------------------------------
+
+$notify_github_branches = getenv_default('VORTEX_NOTIFY_GITHUB_BRANCHES', '');
+if ($notify_github_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_github_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping GitHub notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 // GitHub notification personal access token.
diff --git a/.vortex/tooling/src/notify-jira b/.vortex/tooling/src/notify-jira
index c90568f69..f57626a29 100755
--- a/.vortex/tooling/src/notify-jira
+++ b/.vortex/tooling/src/notify-jira
@@ -20,6 +20,25 @@ namespace DrevOps\VortexTooling;
 require_once __DIR__ . '/helpers.php';
 execute_override(basename(__FILE__));
 
+// -----------------------------------------------------------------------------
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, JIRA notifications are
+// only sent for deployments on the listed branches. When empty, no filtering
+// is applied. Checked before required variable validation so channels not
+// configured for the current branch can short-circuit cleanly.
+// -----------------------------------------------------------------------------
+
+$notify_jira_branches = getenv_default('VORTEX_NOTIFY_JIRA_BRANCHES', '');
+if ($notify_jira_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_jira_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping JIRA notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 // JIRA notification project name.
diff --git a/.vortex/tooling/src/notify-newrelic b/.vortex/tooling/src/notify-newrelic
index 446205b75..c4df6b4b9 100755
--- a/.vortex/tooling/src/notify-newrelic
+++ b/.vortex/tooling/src/notify-newrelic
@@ -92,6 +92,21 @@ if (empty($newrelic_enabled)) {
   quit();
 }
 
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, New Relic notifications
+// are only sent for deployments on the listed branches. When empty, no
+// filtering is applied. Defaults to the long-lived branches.
+$notify_newrelic_branches = getenv_default('VORTEX_NOTIFY_NEWRELIC_BRANCHES', 'main,master,develop');
+if ($notify_newrelic_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_newrelic_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping New Relic notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 info('Started New Relic notification.');
 
 // Skip if this is a pre-deployment event (New Relic only for post-deployment).
diff --git a/.vortex/tooling/src/notify-slack b/.vortex/tooling/src/notify-slack
index cd5de135d..9a8140841 100755
--- a/.vortex/tooling/src/notify-slack
+++ b/.vortex/tooling/src/notify-slack
@@ -15,6 +15,25 @@ namespace DrevOps\VortexTooling;
 require_once __DIR__ . '/helpers.php';
 execute_override(basename(__FILE__));
 
+// -----------------------------------------------------------------------------
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, Slack notifications are
+// only sent for deployments on the listed branches. When empty, no filtering
+// is applied. Checked before required variable validation so channels not
+// configured for the current branch can short-circuit cleanly.
+// -----------------------------------------------------------------------------
+
+$notify_slack_branches = getenv_default('VORTEX_NOTIFY_SLACK_BRANCHES', '');
+if ($notify_slack_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_slack_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping Slack notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 // Slack notification project name.
diff --git a/.vortex/tooling/src/notify-webhook b/.vortex/tooling/src/notify-webhook
index 16846f12b..80dbb96a6 100755
--- a/.vortex/tooling/src/notify-webhook
+++ b/.vortex/tooling/src/notify-webhook
@@ -13,6 +13,25 @@ namespace DrevOps\VortexTooling;
 require_once __DIR__ . '/helpers.php';
 execute_override(basename(__FILE__));
 
+// -----------------------------------------------------------------------------
+// Branch filter gate.
+//
+// Comma-separated list of branch names. When set, Webhook notifications are
+// only sent for deployments on the listed branches. When empty, no filtering
+// is applied. Checked before required variable validation so channels not
+// configured for the current branch can short-circuit cleanly.
+// -----------------------------------------------------------------------------
+
+$notify_webhook_branches = getenv_default('VORTEX_NOTIFY_WEBHOOK_BRANCHES', '');
+if ($notify_webhook_branches !== '') {
+  $current_branch = (string) (getenv('VORTEX_NOTIFY_BRANCH') ?: '');
+  $branch_list = array_map('trim', explode(',', $notify_webhook_branches));
+  if (!in_array($current_branch, $branch_list, TRUE)) {
+    pass(sprintf('Skipping Webhook notification for branch \'%s\'.', $current_branch));
+    quit();
+  }
+}
+
 // -----------------------------------------------------------------------------
 
 // Webhook notification project name.
diff --git a/.vortex/tooling/src/provision b/.vortex/tooling/src/provision
index f2cd60de6..b89d86f7b 100755
--- a/.vortex/tooling/src/provision
+++ b/.vortex/tooling/src/provision
@@ -56,6 +56,12 @@ $provision_verify_config = getenv_default('VORTEX_PROVISION_VERIFY_CONFIG_UNCHAN
 // Skip cache rebuild after database updates.
 $provision_cache_rebuild_after_db_update_skip = getenv_default('VORTEX_PROVISION_CACHE_REBUILD_AFTER_DB_UPDATE_SKIP', '0');
 
+// Repeat configuration import after the initial import.
+//
+// Useful when update hooks introduce new configuration that affects
+// subsequent configuration imports (e.g., new config_split settings).
+$provision_config_import_repeat = getenv_default('VORTEX_PROVISION_CONFIG_IMPORT_REPEAT', '0');
+
 // Provision database dump file.
 //
 // If not set, it will be auto-discovered from the VORTEX_PROVISION_DB_DIR
@@ -548,6 +554,13 @@ if ($site_has_config_files) {
   pass('Completed configuration import.');
   echo PHP_EOL;
 
+  if ($provision_config_import_repeat === '1') {
+    task('Repeating configuration import.');
+    drush('config:import');
+    pass('Completed repeated configuration import.');
+    echo PHP_EOL;
+  }
+
   // Import config_split configuration if the module is installed.
   // Drush deploy does not import config_split configuration on the first run.
   // @see https://github.com/drush-ops/drush/issues/2449
diff --git a/.vortex/tooling/tests/Unit/DownloadDbAcquiaTest.php b/.vortex/tooling/tests/Unit/DownloadDbAcquiaTest.php
index aa149dee7..7b6f9b09e 100644
--- a/.vortex/tooling/tests/Unit/DownloadDbAcquiaTest.php
+++ b/.vortex/tooling/tests/Unit/DownloadDbAcquiaTest.php
@@ -156,10 +156,10 @@ public function testDownloadRequestFails(): void {
         'url' => 'https://cloud.acquia.com/api/environments/env-id-prod/databases/mydb/backups?sort=created',
         'response' => ['body' => json_encode(['_embedded' => ['items' => [['id' => '12345']]]])],
       ],
-      // Backup download URL.
+      // Backup download URL: API responds with 302 redirect to S3.
       [
         'url' => 'https://cloud.acquia.com/api/environments/env-id-prod/databases/mydb/backups/12345/actions/download',
-        'response' => ['body' => json_encode(['url' => 'https://acquia-backup.s3.amazonaws.com/backup.sql.gz'])],
+        'response' => ['status' => 302, 'info' => ['redirect_url' => 'https://acquia-backup.s3.amazonaws.com/backup.sql.gz']],
       ],
       // Download request fails.
       [
@@ -177,7 +177,8 @@ public function testInvalidGzip(): void {
     mkdir($db_dir, 0755, TRUE);
 
     // Pre-create an invalid gz file.
-    file_put_contents($db_dir . '/mydb_backup_12345.sql.gz', 'NOT VALID GZIP DATA');
+    $invalid_gz = $db_dir . '/mydb_backup_12345.sql.gz';
+    file_put_contents($invalid_gz, 'NOT VALID GZIP DATA');
 
     $this->mockRequestMultiple([
       [
@@ -199,6 +200,9 @@ public function testInvalidGzip(): void {
     ]);
 
     $this->runScriptError('src/download-db-acquia', 'Downloaded file is not a valid gzip archive');
+
+    // Invalid file is left in place for inspection.
+    $this->assertFileExists($invalid_gz);
   }
 
   public function testNoBackups(): void {
@@ -246,10 +250,10 @@ public function testBackupUrlEmpty(): void {
         'url' => 'https://cloud.acquia.com/api/environments/env-id-prod/databases/mydb/backups?sort=created',
         'response' => ['body' => json_encode(['_embedded' => ['items' => [['id' => '12345']]]])],
       ],
-      // Backup download URL returns empty.
+      // Backup download URL returns no redirect (empty redirect_url).
       [
         'url' => 'https://cloud.acquia.com/api/environments/env-id-prod/databases/mydb/backups/12345/actions/download',
-        'response' => ['body' => json_encode([])],
+        'response' => ['info' => ['redirect_url' => '']],
       ],
     ]);
 
diff --git a/.vortex/tooling/tests/Unit/NotifyEmailTest.php b/.vortex/tooling/tests/Unit/NotifyEmailTest.php
index 0a9a140ab..886751968 100644
--- a/.vortex/tooling/tests/Unit/NotifyEmailTest.php
+++ b/.vortex/tooling/tests/Unit/NotifyEmailTest.php
@@ -119,6 +119,29 @@ public function testPreDeploymentEventSkipped(): void {
     $this->runScriptEarlyPass('src/notify-email', 'Skipping email notification for pre_deployment event');
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_EMAIL_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->runScriptEarlyPass('src/notify-email', "Skipping email notification for branch 'develop'.");
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_EMAIL_BRANCHES', 'main,develop');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->mockMail([
+      'to' => 'to@example.com',
+      'subject' => 'test-project deployment notification of main',
+      'message' => $this->defaultMessageMatcher(),
+      'result' => TRUE,
+    ]);
+
+    $output = $this->runScript('src/notify-email');
+
+    $this->assertStringContainsString('Finished email notification', $output);
+  }
+
   #[DataProvider('dataProviderMissingRequiredVariables')]
   public function testMissingRequiredVariables(string $var_name): void {
     $this->envUnset($var_name);
diff --git a/.vortex/tooling/tests/Unit/NotifyGithubTest.php b/.vortex/tooling/tests/Unit/NotifyGithubTest.php
index d811a5a23..751dbd81f 100644
--- a/.vortex/tooling/tests/Unit/NotifyGithubTest.php
+++ b/.vortex/tooling/tests/Unit/NotifyGithubTest.php
@@ -30,6 +30,31 @@ protected function setUp(): void {
     ]);
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_GITHUB_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'feature/x');
+
+    $this->runScriptEarlyPass('src/notify-github', "Skipping GitHub notification for branch 'feature/x'.");
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_GITHUB_BRANCHES', 'main,develop');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+    $this->envSet('VORTEX_NOTIFY_GITHUB_EVENT', 'pre_deployment');
+
+    $this->mockRequestPost(
+      'https://api.github.com/repos/owner/repo/deployments',
+      $this->callback(fn(): true => TRUE),
+      ['Authorization: token ghp_test123456', 'Accept: application/vnd.github.v3+json'],
+      10,
+      ['status' => 201, 'body' => '{"id": 123456789}']
+    );
+
+    $output = $this->runScript('src/notify-github');
+
+    $this->assertStringContainsString('Finished GitHub notification', $output);
+  }
+
   public function testSuccessfulPreDeploymentNotification(): void {
     $this->envSet('VORTEX_NOTIFY_GITHUB_EVENT', 'pre_deployment');
 
diff --git a/.vortex/tooling/tests/Unit/NotifyJiraTest.php b/.vortex/tooling/tests/Unit/NotifyJiraTest.php
index 4c24228cb..5e0cf609a 100644
--- a/.vortex/tooling/tests/Unit/NotifyJiraTest.php
+++ b/.vortex/tooling/tests/Unit/NotifyJiraTest.php
@@ -204,6 +204,43 @@ public function testPreDeploymentEventSkipped(): void {
     $this->runScriptEarlyPass('src/notify-jira', 'Skipping JIRA notification for pre_deployment event');
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_JIRA_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'feature/x');
+
+    $this->runScriptEarlyPass('src/notify-jira', "Skipping JIRA notification for branch 'feature/x'.");
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_JIRA_BRANCHES', 'main,feature/TEST-123-test-feature');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'feature/TEST-123-test-feature');
+
+    $this->mockRequestGet(
+      'https://jira.example.com/rest/api/3/myself',
+      [
+        'Authorization: Basic ' . base64_encode('user@example.com:test-token-123'),
+        'Content-Type: application/json',
+      ],
+      10,
+      ['status' => 200, 'body' => '{"accountId": "123456789012345678901234"}']
+    );
+
+    $this->mockRequestPost(
+      'https://jira.example.com/rest/api/3/issue/TEST-123/comment',
+      $this->callback(fn(): true => TRUE),
+      [
+        'Authorization: Basic ' . base64_encode('user@example.com:test-token-123'),
+        'Content-Type: application/json',
+      ],
+      10,
+      ['status' => 201, 'body' => '{"id": "10001"}']
+    );
+
+    $output = $this->runScript('src/notify-jira');
+
+    $this->assertStringContainsString('Finished JIRA notification', $output);
+  }
+
   public function testAuthenticationFailure(): void {
     // Mock authentication check returning invalid account ID.
     $this->mockRequestGet(
diff --git a/.vortex/tooling/tests/Unit/NotifyNewrelicTest.php b/.vortex/tooling/tests/Unit/NotifyNewrelicTest.php
index 15cbf59d3..bd3333d8e 100644
--- a/.vortex/tooling/tests/Unit/NotifyNewrelicTest.php
+++ b/.vortex/tooling/tests/Unit/NotifyNewrelicTest.php
@@ -31,9 +31,47 @@ protected function setUp(): void {
       'VORTEX_NOTIFY_NEWRELIC_USER' => 'Deploy Bot',
       'VORTEX_NOTIFY_NEWRELIC_EVENT' => 'post_deployment',
       'VORTEX_NOTIFY_NEWRELIC_APPID' => '12345678',
+      // Match the 'main,master,develop' default of VORTEX_NOTIFY_NEWRELIC_BRANCHES.
+      'VORTEX_NOTIFY_BRANCH' => 'main',
     ]);
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_NEWRELIC_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->runScriptEarlyPass('src/notify-newrelic', "Skipping New Relic notification for branch 'develop'.");
+  }
+
+  public function testEnabledGateTakesPrecedenceOverBranchFilter(): void {
+    // When disabled, the enabled gate must short-circuit before the branch
+    // filter runs, even if the branch is not in the allowed list.
+    $this->envUnset('VORTEX_NOTIFY_NEWRELIC_ENABLED');
+    $this->envSet('VORTEX_NOTIFY_NEWRELIC_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->runScriptEarlyPass('src/notify-newrelic', 'New Relic is not enabled');
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_NEWRELIC_BRANCHES', 'main,develop');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+    $this->envSet('VORTEX_NOTIFY_NEWRELIC_REVISION', 'v1.0.0');
+
+    $this->mockRequestPost(
+      'https://api.newrelic.com/v2/applications/12345678/deployments.json',
+      $this->callback(fn(): true => TRUE),
+      ['Api-Key: NRAK-TEST123456', 'Content-Type: application/json'],
+      10,
+      ['status' => 201]
+    );
+
+    $output = $this->runScript('src/notify-newrelic');
+
+    $this->assertStringContainsString('Started New Relic notification', $output);
+    $this->assertStringContainsString('Finished New Relic notification', $output);
+  }
+
   public function testNotificationSkippedWhenNotEnabled(): void {
     $this->envUnset('VORTEX_NOTIFY_NEWRELIC_ENABLED');
 
diff --git a/.vortex/tooling/tests/Unit/NotifySlackTest.php b/.vortex/tooling/tests/Unit/NotifySlackTest.php
index feb1e6502..6a2b78590 100644
--- a/.vortex/tooling/tests/Unit/NotifySlackTest.php
+++ b/.vortex/tooling/tests/Unit/NotifySlackTest.php
@@ -163,6 +163,30 @@ public function testSuccessfulNotificationWithCustomBot(): void {
     $this->assertStringContainsString('Finished Slack notification', $output);
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_SLACK_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->runScriptEarlyPass('src/notify-slack', "Skipping Slack notification for branch 'develop'.");
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_SLACK_BRANCHES', 'main,develop');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->mockRequestPost(
+      'https://hooks.slack.com/services/T00/B00/XXXX',
+      $this->callback(fn(): true => TRUE),
+      ['Content-Type: application/json'],
+      10,
+      ['status' => 200]
+    );
+
+    $output = $this->runScript('src/notify-slack');
+
+    $this->assertStringContainsString('Finished Slack notification', $output);
+  }
+
   #[DataProvider('dataProviderMissingRequiredVariables')]
   public function testMissingRequiredVariables(string $var_name): void {
     $this->envUnset($var_name);
diff --git a/.vortex/tooling/tests/Unit/NotifyWebhookTest.php b/.vortex/tooling/tests/Unit/NotifyWebhookTest.php
index 0f5d4e8f8..9346ab435 100644
--- a/.vortex/tooling/tests/Unit/NotifyWebhookTest.php
+++ b/.vortex/tooling/tests/Unit/NotifyWebhookTest.php
@@ -67,6 +67,28 @@ public function testPreDeploymentEventSkipped(): void {
     $this->runScriptEarlyPass('src/notify-webhook', 'Skipping Webhook notification for pre_deployment event');
   }
 
+  public function testNotificationSkippedWhenBranchNotInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_WEBHOOK_BRANCHES', 'main,master');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->runScriptEarlyPass('src/notify-webhook', "Skipping Webhook notification for branch 'develop'.");
+  }
+
+  public function testNotificationProceedsWhenBranchInFilter(): void {
+    $this->envSet('VORTEX_NOTIFY_WEBHOOK_BRANCHES', 'main,develop');
+    $this->envSet('VORTEX_NOTIFY_BRANCH', 'develop');
+
+    $this->mockRequest(
+      'https://webhook.example.com/endpoint',
+      ['method' => 'POST'],
+      ['status' => 200]
+    );
+
+    $output = $this->runScript('src/notify-webhook');
+
+    $this->assertStringContainsString('Finished Webhook notification', $output);
+  }
+
   #[DataProvider('dataProviderMissingRequiredVariables')]
   public function testMissingRequiredVariables(string $var_name): void {
     $this->envUnset($var_name);
diff --git a/.vortex/tooling/tests/Unit/ProvisionTest.php b/.vortex/tooling/tests/Unit/ProvisionTest.php
index 5474e9d9e..24067ced2 100644
--- a/.vortex/tooling/tests/Unit/ProvisionTest.php
+++ b/.vortex/tooling/tests/Unit/ProvisionTest.php
@@ -447,7 +447,10 @@ public function testPostOperationsWithConfigImport(): void {
     $this->createDbDumpFile();
     $this->createConfigFiles();
 
-    $this->envSet('VORTEX_PROVISION_POST_OPERATIONS_SKIP', '0');
+    $this->envSetMultiple([
+      'VORTEX_PROVISION_POST_OPERATIONS_SKIP' => '0',
+      'VORTEX_PROVISION_CONFIG_IMPORT_REPEAT' => '0',
+    ]);
 
     $this->mockDrushStartupSequenceWithConfig(TRUE);
 
@@ -516,11 +519,87 @@ public function testPostOperationsWithConfigImport(): void {
     $this->assertStringContainsString('Completed running database updates.', $output);
     $this->assertStringContainsString('Cache was cleared.', $output);
     $this->assertStringContainsString('Completed configuration import.', $output);
+    $this->assertStringNotContainsString('Repeating configuration import.', $output);
     $this->assertStringContainsString('Completed config_split configuration import.', $output);
     $this->assertStringContainsString('Cache was rebuilt.', $output);
     $this->assertStringContainsString('Completed deployment hooks.', $output);
   }
 
+  public function testPostOperationsWithRepeatedConfigImport(): void {
+    $this->createDbDumpFile();
+    $this->createConfigFiles();
+
+    $this->envSet('VORTEX_PROVISION_POST_OPERATIONS_SKIP', '0');
+    $this->envSet('VORTEX_PROVISION_CONFIG_IMPORT_REPEAT', '1');
+
+    $this->mockDrushStartupSequenceWithConfig(TRUE);
+
+    // Drush php:eval (environment).
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd("php:eval \"print \\Drupal\\core\\Site\\Settings::get('environment');\""),
+      'output' => 'production',
+      'result_code' => 0,
+    ]);
+
+    // Drush config-set system.site uuid.
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd("config-set system.site uuid 'a1b2c3d4-e5f6-7890-abcd-ef1234567890'"),
+      'result_code' => 0,
+    ]);
+
+    // Drush updatedb.
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('updatedb --no-cache-clear'),
+      'result_code' => 0,
+    ]);
+
+    // Drush cache:rebuild (after database updates).
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('cache:rebuild'),
+      'result_code' => 0,
+    ]);
+
+    // Drush config:import (initial).
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('config:import'),
+      'result_code' => 0,
+    ]);
+
+    // Drush config:import (repeated).
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('config:import'),
+      'result_code' => 0,
+    ]);
+
+    // Drush pm:list (config_split check) - module not enabled.
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('pm:list --status=enabled'),
+      'output' => '',
+      'result_code' => 0,
+    ]);
+
+    // Drush cache:rebuild (post-provision).
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('cache:rebuild'),
+      'result_code' => 0,
+    ]);
+
+    // Drush deploy:hook.
+    $this->mockPassthru([
+      'cmd' => $this->drushCmd('deploy:hook'),
+      'result_code' => 0,
+    ]);
+
+    $this->mockQuit(0);
+    $this->expectException(QuitSuccessException::class);
+
+    $output = $this->runScript('src/provision');
+
+    $this->assertStringContainsString('Completed configuration import.', $output);
+    $this->assertStringContainsString('Repeating configuration import.', $output);
+    $this->assertStringContainsString('Completed repeated configuration import.', $output);
+  }
+
   public function testSummaryOutputIncludesNewVariables(): void {
     $this->createDbDumpFile();