Support signed match identifiers

Change-Id: Ib0fe20bcad0b3f6984bad0db1da326600956685a
diff --git a/Changes b/Changes
index d0bac00..d5fc72b 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,7 @@
+0.64.0 2025-03-28
+    - [feature] Support signed matchids to prevent consecutive
+      positional requests (diewald)
+
 0.63.3 2024-12-15
     - [performance] Improve short circuit on count=0 and
       cutoff=true (diewald)