ros2/rclcpp

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rclcpp (ROS Client Library for C++)

Stars: 805
Forks: 564
Open beginner issues: 0
Indexed issues: 236
Avg merge: 1d 17h
Merged PRs (30d): 27

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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236 issues indexed so far

:farmer: benchmark_executor tests consistently timeout on Ubuntu Resolute AMD64 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ros2/rclcpp#3273 · 2 comments · Opened Sep 14, 2026
Support lifecycle-managed timers in rclcpp_lifecycle::LifecycleNode Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

ros2/rclcpp#3255 · 7 comments · Opened Sep 4, 2026
Implement a `max_events` policy for the `EventsCBGExecutor` Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3213 · 10 comments · 1 reaction · Opened Jul 29, 2026
EventsCBGExecutor `spin_until_future_complete` hangs when passed as a generic `rclcpp::Executor` Open

bug

ros2/rclcpp#3201 · 1 assignee · Opened Jul 16, 2026
rclcpp warnings not showing as expected Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ros2/rclcpp#3176 · Opened Jun 14, 2026
introspection API to verify delivery methods (intra-process and loaned-message) at runtime Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3153 · 5 comments · 5 reactions · Opened May 19, 2026
API footgun: shared_ptr to timer, ambiguous reset Open

more-information-needed

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3140 · 3 comments · Opened Apr 30, 2026
RCL_ROS_TIME: how to get sim-time-aware monotonic timing? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3122 · 24 comments · 1 reaction · Opened Apr 8, 2026
Backport #2953 to jazzy — crash reproducible on Jazzy with duplicate goal UUID Open

bug

ros2/rclcpp#3120 · 8 comments · 1 assignee · Opened Apr 1, 2026
Proposal: Expose `is_data_valid` API for Loaned/Zero-Copy Messages Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3119 · 4 comments · Opened Mar 31, 2026
Add per node & component log level support Open

enhancement

ros2/rclcpp#3091 · 11 comments · 1 assignee · Opened Mar 11, 2026
Service callback without shared pointer Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#3078 · 3 comments · Opened Feb 20, 2026
Save / Dump / Load parameters to / from file using rclcpp Open

enhancement

ros2/rclcpp#2981 · 10 comments · 1 assignee · Opened Nov 11, 2025
Deadlock in destroy_clock_sub waiting for `clock_executor_thread_` to join Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ros2/rclcpp#2962 · 9 comments · Opened Oct 2, 2025
rclcpp_lifecycle does not handle service de-registration the same as rclcpp Open

bug

ros2/rclcpp#2961 · 1 comment · 1 assignee · Opened Oct 2, 2025
Why does adding N entities to a CallbackGroup take N^2, i.e. quadratic time ? Open

enhancement

ros2/rclcpp#2942 · 1 assignee · Opened Aug 29, 2025
spin_some not thread-safe, triggers TSan Open

bug

ros2/rclcpp#2941 · 4 comments · 1 assignee · Opened Aug 25, 2025
Build issue with humble-future branch of events executor (timer reset support) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ros2/rclcpp#2939 · 3 comments · Opened Aug 20, 2025
Logging is kind of slow, even at levels below the level selected for the node. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ros2/rclcpp#2928 · 4 comments · Opened Aug 8, 2025
Setting qos_overriding_options in create_publisher or create_subscription for a new Pub or Sub from within a dynamic parameter callback creates a deadlock condition when resource locking is required Open

bug

ros2/rclcpp#2876 · 8 comments · 1 reaction · 1 assignee · Opened Jun 20, 2025
Node traits Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ros2/rclcpp#2875 · Opened Jun 20, 2025
Unify LifecycleNode and Node Open

enhancement

ros2/rclcpp#2874 · 24 comments · 5 reactions · 1 assignee · Opened Jun 13, 2025
ROS2 Action Server getting info of the client node name and the goal priority Open

backlog enhancement more-information-needed

ros2/rclcpp#2832 · 5 comments · 1 assignee · Opened Apr 30, 2025
Backport Request: PR #2617 (Implement generic service) for Jazzy Open

backlog

ros2/rclcpp#2826 · 2 comments · 1 assignee · Opened Apr 25, 2025
Lifecycle Publishers and Subscriptions should not be Discovered by the ROS 2 Network until Configured Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ros2/rclcpp#2805 · 1 comment · Opened Apr 11, 2025
EventsExecutor misses one-shot-timer and never executes it again. Open

bug

ros2/rclcpp#2803 · 3 comments · 1 assignee · Opened Apr 11, 2025
create_timer throws but isn't documented to throw Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

ros2/rclcpp#2793 · 5 comments · Opened Apr 1, 2025
Status is Never Set to Executing if ros2 action rclcpp_action Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ros2/rclcpp#2782 · 6 comments · Opened Mar 27, 2025
EventsExecutor with an overrunning timer can lead to a burst of timer events Open

ros2/rclcpp#2771 · 7 comments · 1 assignee · Opened Mar 15, 2025
rclcpp::TimerBase::SharedPtr timer - behaivor change with ros jazzy for reset timer method Open

more-information-needed

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ros2/rclcpp#2765 · 1 comment · Opened Mar 11, 2025
Publisher cleanup via service call results in deadlock on Jazzy Open

more-information-needed

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ros2/rclcpp#2763 · 3 comments · 1 reaction · Opened Mar 10, 2025
rclcpp failed to send response to service client Open

more-information-needed

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ros2/rclcpp#2760 · 14 comments · Opened Mar 4, 2025
Topic Statistics for multiple subscriptions in same node aren't differentiated Open

help wanted

ros2/rclcpp#2756 · 5 comments · 1 reaction · 1 assignee · Opened Feb 21, 2025
deadline qos for action feedback Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 30/100

ros2/rclcpp#2755 · 2 comments · 1 reaction · Opened Feb 20, 2025
🧑‍🌾 Windows test_executors regression: SEH Exception Open

help wanted

ros2/rclcpp#2749 · 5 comments · 1 assignee · Opened Feb 18, 2025
AsyncParametersClient and get_parameter not working as expected Open

ros2/rclcpp#2748 · 4 comments · 1 assignee · Opened Feb 15, 2025
Confusion regarding visibility_control for static libraries for Windows Open

ros2/rclcpp#2747 · 2 comments · 1 assignee · Opened Feb 14, 2025
inconsistent declare/undeclare parameter behaviour Open

ros2/rclcpp#2736 · 4 comments · 1 assignee · Opened Feb 9, 2025
Sub-node name is ignored in service name resolving Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ros2/rclcpp#2734 · 6 comments · Opened Feb 6, 2025
use_intra_process_comms does not work with LifecycleNode transitions for BondCpp Open

ros2/rclcpp#2721 · 8 comments · 2 assignees · Opened Jan 7, 2025
`EventHandlerBase::get_number_of_ready_events()` does not compute number of ready events Open

ros2/rclcpp#2716 · 1 comment · 2 assignees · Opened Dec 27, 2024
Simulated clock subscriber is built for each node Open

enhancement

ros2/rclcpp#2659 · 8 comments · 1 assignee · Opened Oct 30, 2024
Allow Node functionality to use methods with noexcept modifiers. Open

backlog

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ros2/rclcpp#2654 · 2 comments · Opened Oct 18, 2024
Starvation in MultiThreadedExecutor Open

ros2/rclcpp#2645 · 20 comments · 1 assignee · Opened Oct 5, 2024
Humble - Ubuntu 20.04 - Link Error Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ros2/rclcpp#2641 · 2 comments · Opened Oct 4, 2024
Use string_view for non-owning string references Open

backlog

Difficulty 5/5 Over a week Newbie friendliness 25/100

ros2/rclcpp#2634 · 4 comments · 1 reaction · Opened Sep 30, 2024
Possible bug: executor_entities_collection.hpp::update_entities Open

ros2/rclcpp#2632 · 3 comments · 1 assignee · Opened Sep 17, 2024
A way to get the parsed global arguments from within the Node or NodeOptions Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

ros2/rclcpp#2610 · 5 comments · 1 reaction · Opened Aug 22, 2024
backport request : issue 2492 to humble Open

more-information-needed

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ros2/rclcpp#2603 · 2 comments · Opened Aug 16, 2024
Issue with RCLCPP THROTTLE logging in the plugin based approach Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ros2/rclcpp#2587 · 6 comments · 1 reaction · Opened Jul 23, 2024

ros2/rclcpp

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