# \#ardent

**URL:** https://discourse.openrobotics.org/tag/ardent/48.md

[Latest](https://discourse.openrobotics.org/latest.md) · [Categories](https://discourse.openrobotics.org/categories.md) · [Tags](https://discourse.openrobotics.org/tags.md)

---

## [Key rotation for ROS 2 apt repositories](https://discourse.openrobotics.org/t/key-rotation-for-ros-2-apt-repositories/9363)

<div class="topic-metadata">

**Author:** [@nuclearsandwich](https://discourse.openrobotics.org/u/nuclearsandwich)\
**Replies:** 2\
**Last updated:** [June 7, 2019, 11:33pm UTC](https://discourse.openrobotics.org/t/key-rotation-for-ros-2-apt-repositories/9363 "2019-06-07T23:33:48Z")

</div>

In light of the build.ros.org security issue we have decided to retire the key previously used to sign ROS 2 apt repositories. We believe the ROS 2 repositories to be intact. We have no reason to believe that any malici…

---

## [New packages for ROS 2 Ardent 2018-07-20](https://discourse.openrobotics.org/t/new-packages-for-ros-2-ardent-2018-07-20/5428)

<div class="topic-metadata">

**Author:** [@marguedas](https://discourse.openrobotics.org/u/marguedas)\
**Replies:** 0\
**Last updated:** [July 21, 2018, 3:50pm UTC](https://discourse.openrobotics.org/t/new-packages-for-ros-2-ardent-2018-07-20/5428 "2018-07-21T15:50:13Z")

</div>

We’re happy to announce 5 new packages and 6 updated packages for Ardent. Full details are below. Thank you to all the maintainers and contributors who make these packages available for everyone to use. Package Update…

---

## [Unreliable communication using executors](https://discourse.openrobotics.org/t/unreliable-communication-using-executors/4542)

<div class="topic-metadata">

**Author:** [@Dangield](https://discourse.openrobotics.org/u/Dangield)\
**Replies:** 3\
**Last updated:** [April 24, 2018, 5:14pm UTC](https://discourse.openrobotics.org/t/unreliable-communication-using-executors/4542 "2018-04-24T17:14:49Z")

</div>

Hello. I have a problem I can’t solve by myself. I have 2 nodes inheriting from the main Node class, one of them receives data from an IMU and sends it to the other. In the other one frequency of received messages is be…

---

## [Standardized messages for ROS2](https://discourse.openrobotics.org/t/standardized-messages-for-ros2/4096)

<div class="topic-metadata">

**Author:** [@fkromer](https://discourse.openrobotics.org/u/fkromer)\
**Replies:** 1\
**Last updated:** [March 3, 2018, 11:58am UTC](https://discourse.openrobotics.org/t/standardized-messages-for-ros2/4096 "2018-03-03T11:58:15Z")

</div>

Are there standardized messages for ROS2 already? Related threads: Proposal - New Computer Vision Message Standards Common message structures for UUVs? Humanoid\_msgs Definitions Addition of Radar-Specific Message(s) t…

---

## [ROS Ardent Apalone Tshirt Campaign Until March 2nd](https://discourse.openrobotics.org/t/ros-ardent-apalone-tshirt-campaign-until-march-2nd/3976)

<div class="topic-metadata">

**Author:** [@tfoote](https://discourse.openrobotics.org/u/tfoote)\
**Replies:** 3\
**Last updated:** [February 28, 2018, 7:01pm UTC](https://discourse.openrobotics.org/t/ros-ardent-apalone-tshirt-campaign-until-march-2nd/3976 "2018-02-28T19:01:39Z")

</div>

Following the tradition of ROS release tshirts we have created a campaign for Ardent. It was kicked off last week with the ardent update As usual this is a limited time campaign. The shirts will only be available to orde…