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 open issues indexed

Retrieving(get_parameter()) value of parameter of type std::vector<int> won't build Open

ros2/rclcpp#2577 · 3 comments · 1 assignee · Opened Jul 8, 2024
EventsExecutor doesn't support rcl guard conditions Open

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

ros2/rclcpp#2574 · 3 comments · Opened Jul 2, 2024
Feature Request: Dynamic Type Handling for Generic Subscriptions Open

question

ros2/rclcpp#2568 · 16 comments · 1 assignee · Opened Jun 21, 2024
[rclcpp] C++ lib leaking `rclcpp::Node()` can cause segfaults at `dlclose()` Open

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

ros2/rclcpp#2567 · 3 comments · Opened Jun 21, 2024
ABI/API Compliance Checker in github workflow Open

backlog

ros2/rclcpp#2555 · 4 comments · 5 reactions · 1 assignee · Opened Jun 8, 2024
Timer callbacks can be delayed when using simulation time Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

ros2/rclcpp#2535 · 4 comments · 1 reaction · Opened May 22, 2024
Program exits with code -11 when using async_send_request to set parameters in ROS 2 C++ client Open

more-information-needed

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

ros2/rclcpp#2534 · 1 comment · Opened May 20, 2024
Executor callbacks are no longer in a predictable order Open

ros2/rclcpp#2532 · 25 comments · 2 reactions · 1 assignee · Opened May 14, 2024
Parameter service behavior is inconsistent with the documentation of rcl_interfaces Open

bug

ros2/rclcpp#2512 · 9 comments · 2 reactions · 1 assignee · Opened Apr 23, 2024
Clang warning: ordered comparison of function pointers (Rolling) Open

backlog help wanted

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

ros2/rclcpp#2488 · 1 comment · Opened Apr 5, 2024
rclcpp_action: Provide enum class return ClientGoalHandle::get_status Open

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

ros2/rclcpp#2482 · 2 reactions · Opened Apr 3, 2024
TimersManager doesn't follow ROS time Open

ros2/rclcpp#2480 · 4 comments · 1 assignee · Opened Apr 3, 2024
TypeAdapted publishing doesn't use provided allocator Open

ros2/rclcpp#2477 · 3 comments · 2 assignees · Opened Apr 2, 2024
StaticSingleThreadedExecutor uses spin_once in spin Open

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

ros2/rclcpp#2470 · 1 comment · Opened Mar 31, 2024
Timer in MultiThreadedExecutor crashes Open

ros2/rclcpp#2455 · 16 comments · 1 assignee · Opened Mar 20, 2024
`spin_some` easily deadlocks action clients Open

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

ros2/rclcpp#2451 · 3 comments · Opened Mar 14, 2024
Canceling an action synchronously Open

more-information-needed

ros2/rclcpp#2449 · 2 comments · 2 reactions · 1 assignee · Opened Mar 13, 2024
Type Adapter cannot convert one RosMsg to another RosMsg Open

backlog help wanted

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

ros2/rclcpp#2446 · 2 comments · Opened Mar 6, 2024
Segment fault occurred when node was added to executor if the callback group variable created was local Open

ros2/rclcpp#2445 · 13 comments · 1 assignee · Opened Mar 5, 2024
events-executor segfault on fast-dds `RMWSubscriptionEvent::update_data_available()` Open

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

ros2/rclcpp#2437 · Opened Feb 24, 2024
rclcpp::experimental::TimersManager most likely broken for mixed timers Open

backlog

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

ros2/rclcpp#2432 · 1 comment · Opened Feb 22, 2024
AnySubscriptionCallback doesn't accept `std::bind` callbacks with bound arguments Open

help wanted

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

ros2/rclcpp#2429 · 11 comments · Opened Feb 20, 2024
std::runtime_error what(): 'data' is empty with component container multithread Open

more-information-needed

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

ros2/rclcpp#2423 · 10 comments · Opened Feb 8, 2024
Heap Failure on deallocation of publisher/subsciber Open

bug more-information-needed

ros2/rclcpp#2422 · 2 comments · 1 assignee · Opened Feb 6, 2024
Change of Waitable waitset interface Open

ros2/rclcpp#2418 · 3 comments · 1 assignee · Opened Jan 29, 2024
Priority of the different mechanisms to initialize ROS 2 parameters Open

ros2/rclcpp#2408 · 2 comments · 1 reaction · 1 assignee · Opened Jan 18, 2024
composition LoadNode does not set parameters for nodes in other namespaces Open

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

ros2/rclcpp#2404 · 9 comments · Opened Jan 10, 2024
Slow timed callback monopolizes all processing in the multi threaded executor Open

ros2/rclcpp#2402 · 1 assignee · Opened Jan 10, 2024
Honor the user holding onto shared_ptrs during subscription callbacks Open

help wanted

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

ros2/rclcpp#2401 · 5 comments · 2 reactions · Opened Jan 4, 2024
`operator+` and `operator-` for `builtin_interfaces::msg::Time` and `rclcpp::Duration` Open

enhancement help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

ros2/rclcpp#2399 · 1 comment · Opened Dec 25, 2023
ROS 2 services are not 1 to 1 communication: responses are copied and sent to all clients Open

backlog

ros2/rclcpp#2397 · 1 comment · 1 reaction · 1 assignee · Opened Dec 22, 2023
building with backward ros Open

ros2/rclcpp#2396 · 2 comments · 10 reactions · 1 assignee · Opened Dec 21, 2023
Composable node runtime error (undefined symbol) but normal Node has no issue Open

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

ros2/rclcpp#2391 · 3 comments · Opened Dec 15, 2023
cannot use QoS override parameters via `NodeParameter` callbacks Open

ros2/rclcpp#2379 · 3 comments · 1 assignee · Opened Dec 1, 2023
Add field to PR template to ask if contribution contains software created by generative AI Open

backlog

Difficulty 1/5 Under an hour Newbie friendliness 35/100

ros2/rclcpp#2372 · 1 comment · Opened Nov 20, 2023
Several Action Client Regressions Iron, Rolling Open

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

ros2/rclcpp#2369 · 1 comment · Opened Nov 13, 2023
Asynchronous action acceptance and cancellation Open

ros2/rclcpp#2361 · 1 comment · 1 assignee · Opened Nov 7, 2023
/rosout logging without a node? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ros2/rclcpp#2350 · 14 comments · Opened Nov 1, 2023
change rclcpp logger sink or get all the sinks used by rclcpp Open

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

ros2/rclcpp#2334 · 4 comments · Opened Oct 11, 2023
Adding rmw_request_id_t allocator Open

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

ros2/rclcpp#2328 · 2 comments · Opened Oct 6, 2023
Executor::spin_some, spin_all, spin_once are odd function names Open

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

ros2/rclcpp#2311 · 3 comments · 1 reaction · Opened Sep 14, 2023
cannot link mimick : /usr/bin/ld: cannot find -lmimick Open

bug help wanted

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

ros2/rclcpp#2306 · 2 comments · Opened Sep 12, 2023
Dynamic Message Deserialization Open

more-information-needed

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

ros2/rclcpp#2260 · 4 comments · Opened Aug 2, 2023
rclcpp needs specific version of rcl [humble] Open

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

ros2/rclcpp#2249 · 4 comments · 1 reaction · Opened Jul 28, 2023
No callbacks if client/server died Open

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

ros2/rclcpp#2241 · 8 comments · Opened Jul 20, 2023
Add feedback to rejected action goal so the client can know why it was rejected Open

backlog enhancement

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

ros2/rclcpp#2231 · 5 comments · 1 reaction · Opened Jul 3, 2023
Allow use of C message types Open

backlog

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

ros2/rclcpp#2229 · 1 comment · Opened Jun 27, 2023
Executing action server but nothing is ready Open

more-information-needed

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

ros2/rclcpp#2226 · 18 comments · Opened Jun 24, 2023
heap-use-after-free on time_source.cpp Open

more-information-needed

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

ros2/rclcpp#2217 · 3 comments · Opened Jun 19, 2023
Deferrable + Cancelable lifecycle `change_state` transition functions Open

ros2/rclcpp#2213 · 1 comment · 1 assignee · Opened Jun 13, 2023

ros2/rclcpp

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