diff --git a/README.md b/README.md
index 06e12a41..7865c10e 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@
 
 [![foxy-devel Status](https://github.com/ROBOTIS-GIT/turtlebot3/workflows/foxy-devel/badge.svg)](https://github.com/ROBOTIS-GIT/turtlebot3/tree/foxy-devel)
 
+[![galactic-devel Status](https://github.com/ROBOTIS-GIT/turtlebot3/workflows/galactic-devel/badge.svg)](https://github.com/ROBOTIS-GIT/turtlebot3/tree/galactic-devel)
+
 ## ROBOTIS e-Manual for TurtleBot3
 - [ROBOTIS e-Manual for TurtleBot3](http://turtlebot3.robotis.com/)
 
diff --git a/turtlebot3/CHANGELOG.rst b/turtlebot3/CHANGELOG.rst
index 8ba6c4fa..deecf191 100644
--- a/turtlebot3/CHANGELOG.rst
+++ b/turtlebot3/CHANGELOG.rst
@@ -2,13 +2,14 @@
 Changelog for package turtlebot3
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
 * use static param types for Galactic
 * fix SensorState msg
-* rename nav2 params
+* rename and update nav2 params
 * modify robot_state_publisher
-* Contributors: jhbirdchoi, David Park, Will Son
+* fix odometry bug
+* Contributors: jhbirdchoi, David Park, Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_bringup/CHANGELOG.rst b/turtlebot3_bringup/CHANGELOG.rst
index e961275b..727de19e 100644
--- a/turtlebot3_bringup/CHANGELOG.rst
+++ b/turtlebot3_bringup/CHANGELOG.rst
@@ -2,11 +2,11 @@
 Changelog for package turtlebot3_bringup
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
-* rename nav2 params
+* rename and update nav2 params
 * modify robot_state_publisher
-* Contributors: David Park, Will Son
+* Contributors: David Park, Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_cartographer/CHANGELOG.rst b/turtlebot3_cartographer/CHANGELOG.rst
index afa62e9a..a85c010b 100644
--- a/turtlebot3_cartographer/CHANGELOG.rst
+++ b/turtlebot3_cartographer/CHANGELOG.rst
@@ -2,10 +2,10 @@
 Changelog for package turtlebot3_cartographer
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
-* rename nav2 params
-* Contributors: Will Son
+* rename and update nav2 params
+* Contributors: Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_description/CHANGELOG.rst b/turtlebot3_description/CHANGELOG.rst
index 2c81d7a8..907580f4 100644
--- a/turtlebot3_description/CHANGELOG.rst
+++ b/turtlebot3_description/CHANGELOG.rst
@@ -2,7 +2,7 @@
 Changelog for package turtlebot3_description
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
 * None
 
diff --git a/turtlebot3_example/CHANGELOG.rst b/turtlebot3_example/CHANGELOG.rst
index d94f4e6f..9955ee29 100644
--- a/turtlebot3_example/CHANGELOG.rst
+++ b/turtlebot3_example/CHANGELOG.rst
@@ -2,7 +2,7 @@
 Changelog for package turtlebot3_example
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
 * None
 
diff --git a/turtlebot3_navigation2/CHANGELOG.rst b/turtlebot3_navigation2/CHANGELOG.rst
index 67eb4652..52730ba3 100644
--- a/turtlebot3_navigation2/CHANGELOG.rst
+++ b/turtlebot3_navigation2/CHANGELOG.rst
@@ -2,10 +2,10 @@
 Changelog for package turtlebot3_navigation2
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
-* rename nav2 params
-* Contributors: Will Son
+* rename and update nav2 params
+* Contributors: Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_node/CHANGELOG.rst b/turtlebot3_node/CHANGELOG.rst
index 1849ea25..86a5dc65 100644
--- a/turtlebot3_node/CHANGELOG.rst
+++ b/turtlebot3_node/CHANGELOG.rst
@@ -2,11 +2,12 @@
 Changelog for package turtlebot3_node
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
 * use static param types for Galactic
 * fix SensorState msg
-* Contributors: jhbirdchoi, Will Son
+* fix odometry bug
+* Contributors: jhbirdchoi, Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_teleop/CHANGELOG.rst b/turtlebot3_teleop/CHANGELOG.rst
index 5b023f0b..c2fac8de 100644
--- a/turtlebot3_teleop/CHANGELOG.rst
+++ b/turtlebot3_teleop/CHANGELOG.rst
@@ -2,7 +2,7 @@
 Changelog for package turtlebot3_teleop
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-2.1.2 (2021-04-07)
+2.1.2 (2021-06-17)
 ------------------
 * None