The latest nina-fw version is 1.4.4.

aentinger · aentinger · commit 7533bbab11c5 · 2021-04-27T12:16:35.000+02:00
diff --git a/src/WiFi.h b/src/WiFi.h
@@ -21,7 +21,7 @@
 #ifndef WiFi_h
 #define WiFi_h
 
-#define WIFI_FIRMWARE_LATEST_VERSION "1.4.3"
+#define WIFI_FIRMWARE_LATEST_VERSION "1.4.4"
 
 #include <inttypes.h>
 
