[ci skip] NEWS and UPGRADING

Author: nielsdos

NEWS

@@ -16,6 +16,8 @@ PHP                                                                        NEWS
     output). (nielsdos)
   . Implemented DOMDocument::adoptNode(). Previously this always threw a
     "not yet implemented" exception. (nielsdos)
+  . Fixed bug GH-9628 (Implicitly removing nodes from \DOMDocument breaks
+    existing references). (nielsdos)
 
 - Fileinfo:
   . Fix GH-11408 (Unable to build PHP 8.3.0 alpha 1 / fileinfo extension).

UPGRADING

@@ -267,6 +267,10 @@ PHP 8.3 UPGRADE NOTES
 9. Other Changes to Extensions
 ========================================
 
+- DOM:
+  . The DOM lifetime mechanism has been reworked such that implicitly removed
+    nodes can still be fetched. Previously this resulted in an exception.
+
 - SQLite3
   . The SQLite3 class now throws \SQLite3Exception (extends \Exception) instead
     of \Exception.