Update CHANGELOG.md for Nanostack 14.0.0 (ARMmbed#2649)

CHANGELOG.md

@@ -2,6 +2,29 @@
 
 ## Release vXX.X.X
 
+### Features
+* 
+
+### Changes
+* 
+
+### Bug fixes
+* 
+
+### Memory stats
+ mbed-mesh-test-application, DISCO_F769NI, mbed_app_nanostack_full_ATMEL.json, GCC_ARM, Mbed OS: feature-wisun
+
+ Module                        |  .text | .data |     .bss |
+ sal-stack-nanostack           |        |       |          |
+ sal-stack-nanostack-eventloop |        |       |          |
+ nanostack-libservice          |        |       |          |
+ atmel-rf-driver               |        |       |          |
+
+ Total Static RAM memory (data + bss):
+ Total Flash memory (text + data):
+
+## Release v14.0.0 (22-06-2021)
+
 ### Features
 * Filter RPL parents based on DEVICE_MIN_SENS configuration with Threshold and Hysteresis.
 * Filter EAPOL parents based on DEVICE_MIN_SENS configuration with Threshold and Hysteresis to prevent EAPOL failures caused by bad signal levels
@@ -22,6 +45,20 @@
 * Fixed channel mask usage with OFDM configurations
 * Fixed recursive tunnel build problem when sending packets with hop count 1 from Border router to multi hop destination
 
+### Memory stats
+ mbed-mesh-test-application, DISCO_F769NI, mbed_app_nanostack_full_ATMEL.json, GCC_ARM, Mbed OS: feature-wisun
+
+ Module                        |  .text | .data |     .bss |
+ sal-stack-nanostack           | 468126 |   960 |     3016 |
+ sal-stack-nanostack-eventloop |   2572 |    50 |      507 |
+ nanostack-libservice          |   2722 |     0 |       28 |
+ atmel-rf-driver               |  10102 |    22 |     2397 |
+
+ Total Static RAM memory (data + bss): 121952 bytes
+ Total Flash memory (text + data): 821800 bytes
+
+
+
 
 ## Release v13.0.0 (15-04-2021)