Add CHANGELOG for v32.0

Change-Id: I72fb3e1d6b5634eef4f8f3d83c9e920b8e6a7c3b
diff --git a/CHANGELOG b/CHANGELOG
index ef4b9fc..74149d2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,15 @@
 Unreleased:
   Tracing service and probes:
+    *
+  Trace Processor:
+    *
+  UI:
+    *
+  SDK:
+    *
+
+v32 - 2023-02-01:
+  Tracing service and probes:
     * Added an explicit TraceUuid packet. The tracing service now always
       generates a UUID, even if TraceConfig.trace_uuid_msb/lsb is empty.
   Trace Processor: