diff --git a/RELEASE.MD b/RELEASE.MD
index 1cd424ec..86280ecb 100644
--- a/RELEASE.MD
+++ b/RELEASE.MD
@@ -117,6 +117,8 @@ The `release/X.Y.Z` branch must be merged to `development` for testing and valid
 
 **BE AWARE!** The release branch may be auto-deleted. If so, _BEFORE_ you close the window, click **RESTORE BRANCH**
 
+**ALSO BE AWARE!** Any open PRs targeting the release branch will be auto-closed if the branch is deleted. You will need to reopen them.
+
 ## 5. Create a new release on GitHub
 
 1. From the repository's main page, click the **Releases** link — or go directly to the [Releases page](https://github.com/fairpm/fair-plugin/releases).
diff --git a/inc/packages/namespace.php b/inc/packages/namespace.php
index 0c0dbc62..28ee8886 100644
--- a/inc/packages/namespace.php
+++ b/inc/packages/namespace.php
@@ -936,8 +936,12 @@ function add_package_to_release_cache( string $did ) : void {
 	if ( empty( $did ) ) {
 		return;
 	}
+	$latest_release = get_latest_release_from_did( $did );
+	if ( is_wp_error( $latest_release ) ) {
+		return;
+	}
 	$releases = get_site_transient( CACHE_RELEASE_PACKAGES ) ?: [];
-	$releases[ $did ] = get_latest_release_from_did( $did );
+	$releases[ $did ] = $latest_release;
 	set_site_transient( CACHE_RELEASE_PACKAGES, $releases );
 }
 
diff --git a/plugin.php b/plugin.php
index 308facb2..e45cd0b6 100644
--- a/plugin.php
+++ b/plugin.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: FAIR Connect - Federated and Independent Repositories
  * Description: Make your site more FAIR.
- * Version: 1.4.0-BETA
+ * Version: 1.4.0-BETA5
  * Author: FAIR Contributors
  * Author URI: https://fair.pm
  * Security: security@fair.pm
@@ -20,7 +20,7 @@
 
 namespace FAIR;
 
-const VERSION = '1.4.0-BETA';
+const VERSION = '1.4.0-BETA5';
 const PLUGIN_DIR = __DIR__;
 const PLUGIN_FILE = __FILE__;