release: small fixes

- Fixed an issue where offload logs failed to load in some cases.
- Adjusted the conditions for displaying early upgrade notices to prevent premature notifications.

inc/admin.php

@@ -675,7 +675,7 @@ public function should_show_upgrade() {
 		if ( $visitors_limit === 0 ) {
 			return false;
 		}
-		if ( $visitors_left > 2000 ) {
+		if ( $visitors_left > 300 ) {
 			return false;
 		}
 

inc/logger.php

@@ -189,6 +189,7 @@ private function tailCustom( $filepath, $lines = 1, $adaptive = true, $separator
 			$pos = strrpos( $output, $separator );
 			if ( $pos !== false ) {
 				$output = substr( $output, $pos + strlen( $separator ) );
+				$pos = -1; // we reset the position to start from the beginning of the chunk when slicing.
 			}
 		}