diff --git a/CHANGELOG.md b/CHANGELOG.md
index 858f53d..1a7cb0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.3.0
+
+- Update to VSCP framework v2.3.0, please see the [changelog](https://github.com/BlueAndi/vscp-framework/releases/tag/v2.3.0) there.
+
 ## 2.2.0
 
 - Update to VSCP framework v2.2.0, please see the [changelog](https://github.com/BlueAndi/vscp-framework/releases/tag/v2.2.0) there.
diff --git a/library.json b/library.json
index 147c25e..c033a38 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
     "name": "vscp-arduino",
-    "version": "2.2.0",
+    "version": "2.3.0",
     "keywords": "vscp, arduino-library, vscp-arduino, automation, home automation",
     "description": "Very Simple Control Procotol (VSCP) Level 1 Library for the arduino IDE.",
     "repository": {
diff --git a/library.properties b/library.properties
index a36bb0d..5ad9476 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=VSCP
-version=2.2.0
+version=2.3.0
 author=Andreas Merkle
 maintainer=Andreas Merkle <vscp@blue-andi.de>
 sentence=Very Simple Control Protocol L1 framework for all Arduino boards.
diff --git a/src/framework/core/vscp_core.c b/src/framework/core/vscp_core.c
index 4d00ae9..adda58b 100644
--- a/src/framework/core/vscp_core.c
+++ b/src/framework/core/vscp_core.c
@@ -1563,6 +1563,18 @@ static inline void  vscp_core_handleProtocolClassType(void)
         /* Boot loader specific event. Not supported. */
         break;
 
+    case VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT:
+        /* Boot loader specific event. Not supported. */
+        break;
+
+    case VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_ACK:
+        /* Boot loader specific event. Not supported. */
+        break;
+
+    case VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_NACK:
+        /* Boot loader specific event. Not supported. */
+        break;
+
     /* Not handled type */
     default:
         break;
diff --git a/src/framework/core/vscp_core.h b/src/framework/core/vscp_core.h
index 5974c9c..2cbf551 100644
--- a/src/framework/core/vscp_core.h
+++ b/src/framework/core/vscp_core.h
@@ -96,13 +96,13 @@ extern "C"
 #define VSCP_CORE_VERSION_MINOR     (15)
 
 /** VSCP specification sub-minor version number, the framework is compliant to. */
-#define VSCP_CORE_VERSION_SUB_MINOR (9)
+#define VSCP_CORE_VERSION_SUB_MINOR (10)
 
 /** VSCP specification version string, the framework is compliant to. */
-#define VSCP_CORE_VERSION_STR       "v1.15.9"
+#define VSCP_CORE_VERSION_STR       "v1.15.10"
 
 /** VSCP framework version string */
-#define VSCP_CORE_FRAMEWORK_VERSION "v2.2.0"
+#define VSCP_CORE_FRAMEWORK_VERSION "v2.3.0"
 
 /*******************************************************************************
     MACROS
diff --git a/src/framework/core/vscp_type_protocol.h b/src/framework/core/vscp_type_protocol.h
index 7c29735..2f124b9 100644
--- a/src/framework/core/vscp_type_protocol.h
+++ b/src/framework/core/vscp_type_protocol.h
@@ -490,6 +490,40 @@ extern "C"
  */
 #define VSCP_TYPE_PROTOCOL_BOOT_LOADER_CHECK           54
 
+/**
+ * Not mandatory. Only needed if a VSCP boot-loader algorithm is used.
+ * Part of the VSCP boot-loader functionality. This event provide a way to leave the bootloader in a
+ * secure fashion if there is problems loading firmware to a device. It is only available if the
+ * device has a bootloader that supports this functionality. Typically this is a device that has
+ * several firmware slots and can switch between them, and by that switch back to the last known
+ * working firmware.
+ * The event can be sent in all states of the bootloading procedure.
+ * CLASS1.PROTOCOL, Type=56 (Bootloader abort ACK), should be sent as a positive response to a
+ * bootloader exit or rollback.
+ * CLASS1.PROTOCOL, Type=57 (Bootloader abort NACK), should be sent as a negative response to a
+ * bootloader exit or rollback.
+ */
+#define VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT           55
+
+/**
+ * Not mandatory. Only needed if a VSCP boot-loader algorithm is used.
+ * Part of the VSCP boot-loader functionality. This event is a positive response to a bootloader abort
+ * or rollback CLASS1.PROTOCOL, Type=55 (Bootloader abort).
+ * Event is sent before execution of the new firmware starts. It is used to tell the controlling
+ * device that the device is ready to leave the bootloader mode and start the new firmware.
+ */
+#define VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_ACK       56
+
+/**
+ * Not mandatory. Only needed if a VSCP boot-loader algorithm is used.
+ * Part of the VSCP boot-loader functionality. This event is a negative response to a bootloader abort
+ * or rollback CLASS1.PROTOCOL, Type=55 (Bootloader abort).
+ * On a single slot firmware device where a firmware update has failed and there is no working
+ * firmware to switch back to this event should be sent to tell the controlling device that we can't
+ * leave the bootloader mode until a new full firmware has been loaded.
+ */
+#define VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_NACK      57
+
 /*******************************************************************************
     MACROS
 *******************************************************************************/
diff --git a/src/framework/events/vscp_evt_protocol.c b/src/framework/events/vscp_evt_protocol.c
index 76875fe..65d423f 100644
--- a/src/framework/events/vscp_evt_protocol.c
+++ b/src/framework/events/vscp_evt_protocol.c
@@ -1359,3 +1359,51 @@ extern BOOL vscp_evt_protocol_sendBootloaderCheck(void)
     return vscp_core_sendEvent(&txMsg);
 }
 
+/**
+ * Bootloader Abort.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbort(void)
+{
+    vscp_TxMessage  txMsg;
+
+    vscp_core_prepareTxMessage(&txMsg, VSCP_CLASS_L1_PROTOCOL, VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT, VSCP_PRIORITY_3_NORMAL);
+
+    txMsg.dataSize = 0;
+
+    return vscp_core_sendEvent(&txMsg);
+}
+
+/**
+ * Bootloader Abort ACK.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbortAck(void)
+{
+    vscp_TxMessage  txMsg;
+
+    vscp_core_prepareTxMessage(&txMsg, VSCP_CLASS_L1_PROTOCOL, VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_ACK, VSCP_PRIORITY_3_NORMAL);
+
+    txMsg.dataSize = 0;
+
+    return vscp_core_sendEvent(&txMsg);
+}
+
+/**
+ * Bootloader Abort NACK.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbortNack(void)
+{
+    vscp_TxMessage  txMsg;
+
+    vscp_core_prepareTxMessage(&txMsg, VSCP_CLASS_L1_PROTOCOL, VSCP_TYPE_PROTOCOL_BOOT_LOADER_ABORT_NACK, VSCP_PRIORITY_3_NORMAL);
+
+    txMsg.dataSize = 0;
+
+    return vscp_core_sendEvent(&txMsg);
+}
+
diff --git a/src/framework/events/vscp_evt_protocol.h b/src/framework/events/vscp_evt_protocol.h
index ceae688..d4e9062 100644
--- a/src/framework/events/vscp_evt_protocol.h
+++ b/src/framework/events/vscp_evt_protocol.h
@@ -529,6 +529,27 @@ extern BOOL vscp_evt_protocol_sendBlockDataChunkNack(void);
  */
 extern BOOL vscp_evt_protocol_sendBootloaderCheck(void);
 
+/**
+ * Bootloader Abort.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbort(void);
+
+/**
+ * Bootloader Abort ACK.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbortAck(void);
+
+/**
+ * Bootloader Abort NACK.
+ * 
+ * @return If event is sent, it will return TRUE otherwise FALSE.
+ */
+extern BOOL vscp_evt_protocol_sendBootloaderAbortNack(void);
+
 #ifdef __cplusplus
 }
 #endif