diff --git a/examples/android/telpo_liveness_video_recognition/src/main/res/layout/about.xml b/examples/android/telpo_liveness_video_recognition/src/main/res/layout/about.xml
index 29105ee..5aab8f1 100644
--- a/examples/android/telpo_liveness_video_recognition/src/main/res/layout/about.xml
+++ b/examples/android/telpo_liveness_video_recognition/src/main/res/layout/about.xml
@@ -16,7 +16,7 @@
 		android:id="@+id/aboutText1"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
-		android:text="Video recognition with depth and IR liveness demo for Telpo (v 0.2)\n\nFace SDK version 3.19.1\n"
+		android:text="Video recognition with depth and IR liveness demo for Telpo (v 0.2)\n\nFace SDK version 3.19.2\n"
 		android:layout_below="@+id/aboutLogo"
 		/>
 
diff --git a/flutter/face_sdk_3divi/lib/api/processing_block.dart b/flutter/face_sdk_3divi/lib/api/processing_block.dart
index 3bdffa6..efee9ed 100644
--- a/flutter/face_sdk_3divi/lib/api/processing_block.dart
+++ b/flutter/face_sdk_3divi/lib/api/processing_block.dart
@@ -10,7 +10,7 @@ class ProcessingBlock extends _ComplexObject {
     final destructor = _dll_handle.lookupFunction<
         _ProcessingBlock_destroyProcessingBlock_c,
         _ProcessingBlock_destroyProcessingBlock_dart>
-      ('TDVProcessingBlock_destroy');
+      ('TDVProcessingBlock_destroyBlock');
 
     destructor(_impl, exception);
 
diff --git a/flutter/face_sdk_3divi/lib/api/recognizer.dart b/flutter/face_sdk_3divi/lib/api/recognizer.dart
index c54b981..4ba157d 100644
--- a/flutter/face_sdk_3divi/lib/api/recognizer.dart
+++ b/flutter/face_sdk_3divi/lib/api/recognizer.dart
@@ -95,11 +95,12 @@ class Recognizer extends _ComplexObject {
     get(_impl, template1._impl, template2._impl, distance, far, frr, score, exception);
     checkException(exception, _dll_handle);
 
+    MatchResult result = MatchResult(distance.value, far.value, frr.value, score.value);
     malloc.free(distance);
     malloc.free(score);
     malloc.free(frr);
     malloc.free(far);
-    return MatchResult(distance.value, far.value, frr.value, score.value);
+    return result;
   }
 ///Load the template.<br>
 ///The format is platform-independent.<br>
@@ -133,7 +134,7 @@ class Recognizer extends _ComplexObject {
     malloc.free(_templatePointerStructure[0]);
     malloc.free(_templatePointerStructure[1]);
     malloc.free(_templatePointerStructure);
-    malloc.free(byteCount);
+    // byteCount not free
 
     return Template(_dll_handle, templPointer);
   }
diff --git a/include/facerec/libfacerec.h b/include/facerec/libfacerec.h
index c085123..792bbc8 100644
--- a/include/facerec/libfacerec.h
+++ b/include/facerec/libfacerec.h
@@ -11,9 +11,9 @@
 #ifndef FACEREC_LIBFACEREC_H_
 #define FACEREC_LIBFACEREC_H_
 
-#define LIBFACEREC_VERSION "3.19.01"
+#define LIBFACEREC_VERSION "3.19.02"
 
-#define LIBFACEREC_VERSION_HEX 0x031901
+#define LIBFACEREC_VERSION_HEX 0x031902
 
 #include "../pbio/FacerecService.h"
 
diff --git a/python_api/setup.py b/python_api/setup.py
index 74a1484..31193fc 100644
--- a/python_api/setup.py
+++ b/python_api/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 from os import path
 
-__version__ = '3.19.1'
+__version__ = '3.19.2'
 __author__ = '3DiVi'
 __url__ = 'https://face.3divi.com/'