diff --git a/README.md b/README.md
index 579c02e1..d4269a0e 100644
--- a/README.md
+++ b/README.md
@@ -38,4 +38,25 @@ For a list of other open source components included in rclc, see the file [3rd-p
 
 Please notice the following issues/limitations:
 
-*   rclc package support the communication types subscriptions and timers (services, clients and guard conditions are not supported yet)
+*   The rclc executor is single-threaded. You cannot create nodes in multiple threads and manage the corresponding subscriptions/services/etc. by one executor.
+
+## Bloom Release Status of Code Repository ros2/rclc
+
+Bloom release status of packages in repository [github.com/ros2/rclc/](https://github.com/ros2/rclc) for different architectures and releases.
+
+|Package | Release | amd64 | arm64 | armhf |
+|:--     |  :--    |  :--  |  :--  | :--   |
+| [rclc](https://github.com/ros2/rclc/tree/master/rclc) | Dashing | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dpr__rclc__ubuntu_bionic_amd64)](https://build.ros2.org/job/Dpr__rclc__ubuntu_bionic_amd64/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubv8_uBv8__rclc__ubuntu_bionic_arm64__binary)](https://build.ros2.org/job/Dbin_ubv8_uBv8__rclc__ubuntu_bionic_arm64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubhf_uBhf__rclc__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Dbin_ubhf_uBhf__rclc__ubuntu_bionic_armhf__binary/)|
+| | Eloquent | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Epr__rclc__ubuntu_bionic_amd64)](https://build.ros2.org/job/Epr__rclc__ubuntu_bionic_amd64/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubv8_uBv8__rclc__ubuntu_bionic_arm64__binary)](https://build.ros2.org/job/Ebin_ubv8_uBv8__rclc__ubuntu_bionic_arm64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubhf_uBhf__rclc__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Ebin_ubhf_uBhf__rclc__ubuntu_bionic_armhf__binary/) |
+| | Foxy | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fpr__rclc__ubuntu_focal_amd64)](https://build.ros2.org/job/Fpr__rclc__ubuntu_focal_amd64/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fbin_ubv8_uFv8__rclc__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Fbin_ubv8_uFv8__rclc__ubuntu_focal_arm64__binary/) | |
+| | Rolling| [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rpr__rclc__ubuntu_focal_amd64)](https://build.ros2.org/job/Rpr__rclc__ubuntu_focal_amd64/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rbin_ufv8_uFv8__rclc__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Rbin_ufv8_uFv8__rclc__ubuntu_focal_arm64__binary/) | |
+|     |     |   |   |    |
+| [rclc_examples](https://github.com/ros2/rclc/tree/master/rclc_examples) |  Dashing | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_uB64__rclc_examples__ubuntu_bionic_amd64__binary)](https://build.ros2.org/job/Dbin_uB64__rclc_examples__ubuntu_bionic_amd64__binary/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubv8_uBv8__rclc_examples__ubuntu_bionic_arm64__binary&build=8)](https://build.ros2.org/job/Dbin_ubv8_uBv8__rclc_examples__ubuntu_bionic_arm64__binary/8/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubhf_uBhf__rclc_examples__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Dbin_ubhf_uBhf__rclc_examples__ubuntu_bionic_armhf__binary/) |
+| | Eloquent | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_uB64__rclc_examples__ubuntu_bionic_amd64__binary)](https://build.ros2.org/job/Ebin_uB64__rclc_examples__ubuntu_bionic_amd64__binary/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubv8_uBv8__rclc_examples__ubuntu_bionic_arm64__binary&build=8)](https://build.ros2.org/job/Ebin_ubv8_uBv8__rclc_examples__ubuntu_bionic_arm64__binary/8/) |  [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubhf_uBhf__rclc_examples__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Ebin_ubhf_uBhf__rclc_examples__ubuntu_bionic_armhf__binary/)|
+| | Foxy | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fbin_uF64__rclc_examples__ubuntu_focal_amd64__binary)](https://build.ros2.org/job/Fbin_uF64__rclc_examples__ubuntu_focal_amd64__binary/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fbin_ubv8_uFv8__rclc_examples__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Fbin_ubv8_uFv8__rclc_examples__ubuntu_focal_arm64__binary/) | |
+| | Rolling| [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rbin_uF64__rclc_examples__ubuntu_focal_amd64__binary)](https://build.ros2.org/job/Rbin_uF64__rclc_examples__ubuntu_focal_amd64__binary/) |  [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rbin_ufv8_uFv8__rclc_examples__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Rbin_ufv8_uFv8__rclc_examples__ubuntu_focal_arm64__binary/) | |
+|     |     |   |   |    |
+| [rclc_lifecycle](https://github.com/ros2/rclc/tree/master/rclc_lifecycle) | Dashing |  [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_uB64__rclc_lifecycle__ubuntu_bionic_amd64__binary)](https://build.ros2.org/job/Dbin_uB64__rclc_lifecycle__ubuntu_bionic_amd64__binary/)  | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubv8_uBv8__rclc_lifecycle__ubuntu_bionic_arm64__binary)](https://build.ros2.org/job/Dbin_ubv8_uBv8__rclc_lifecycle__ubuntu_bionic_arm64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Dbin_ubhf_uBhf__rclc_lifecycle__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Dbin_ubhf_uBhf__rclc_lifecycle__ubuntu_bionic_armhf__binary/) |
+| | Eloquent| [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_uB64__rclc_lifecycle__ubuntu_bionic_amd64__binary)](https://build.ros2.org/job/Ebin_uB64__rclc_lifecycle__ubuntu_bionic_amd64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubv8_uBv8__rclc_lifecycle__ubuntu_bionic_arm64__binary)](https://build.ros2.org/job/Ebin_ubv8_uBv8__rclc_lifecycle__ubuntu_bionic_arm64__binary/) |[![Build Status](https://build.ros2.org/buildStatus/icon?job=Ebin_ubhf_uBhf__rclc_lifecycle__ubuntu_bionic_armhf__binary)](https://build.ros2.org/job/Ebin_ubhf_uBhf__rclc_lifecycle__ubuntu_bionic_armhf__binary/) |
+| | Foxy | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fbin_uF64__rclc_lifecycle__ubuntu_focal_amd64__binary)](https://build.ros2.org/job/Fbin_uF64__rclc_lifecycle__ubuntu_focal_amd64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Fbin_ubv8_uFv8__rclc_lifecycle__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Fbin_ubv8_uFv8__rclc_lifecycle__ubuntu_focal_arm64__binary/) | |
+| | Rolling | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rbin_uF64__rclc_lifecycle__ubuntu_focal_amd64__binary)](https://build.ros2.org/job/Rbin_uF64__rclc_lifecycle__ubuntu_focal_amd64__binary/) | [![Build Status](https://build.ros2.org/buildStatus/icon?job=Rbin_ufv8_uFv8__rclc_lifecycle__ubuntu_focal_arm64__binary)](https://build.ros2.org/job/Rbin_ufv8_uFv8__rclc_lifecycle__ubuntu_focal_arm64__binary/) | |