ros2/launch

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Tools for launching multiple processes and for writing tests involving multiple processes.

Stars: 155
Forks: 182
Open beginner issues: 0
Indexed issues: 106
Avg merge: 2d 14h
Merged PRs (30d): 6

Dominant language: Python
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 good first issue

Beginner friendly Everything

Open All

106 open issues indexed

[launch_testing] pytest>8.1 dropped the legacy "path" argument from its internal hooks on humble Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ros2/launch#979 · 4 comments · Opened Jul 1, 2026
Use a relative target for the `latest` log symlink so it survives different absolute mount paths (host/Docker) Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

ros2/launch#978 · 1 reaction · Opened Jun 17, 2026
`--print-description` option shows unhelpful output Open

bug

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

ros2/launch#975 · Opened May 19, 2026
Autotranslate between launch formats Open

enhancement

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

ros2/launch#957 · 1 comment · 1 reaction · Opened Mar 20, 2026
Launch "dry run" to render to commands without running any Open

enhancement

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

ros2/launch#956 · 2 reactions · Opened Mar 20, 2026
YAML: Allow use of typed values (boolean & number) instead of requiring strings for everything Open

enhancement

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

ros2/launch#955 · 2 reactions · Opened Mar 20, 2026
YAML frontend: support direct use of key:value dict for args, params, etc instead of lists of name:+value: dicts Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ros2/launch#954 · Opened Mar 20, 2026
Support for OptionalDeclareLaunchArguments Open

enhancement

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

ros2/launch#946 · Opened Feb 23, 2026
Add colorlog support Open

enhancement

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

ros2/launch#942 · 3 comments · Opened Feb 6, 2026
ROS 2 YAML launch: "choices" is not supported in arg Open

ros2/launch#939 · 4 comments · 1 assignee · Opened Jan 29, 2026
🧑‍🌾 `launch_testing_ros` freezing some builds without log output Open

bug

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

ros2/launch#937 · 5 comments · Opened Jan 19, 2026
YAML: `group` should also accept a key `actions:` like the Python API Open

enhancement good first issue help wanted

ros2/launch#931 · 5 comments · 1 reaction · 1 assignee · Opened Nov 25, 2025
Add basic doc skeleton for launch_xml/yaml frontends Open

enhancement

ros2/launch#929 · 1 comment · 1 reaction · 2 assignees · Opened Nov 12, 2025
Include required arguments passed from commandline are not recognized Open

bug

ros2/launch#907 · 2 comments · 1 assignee · Opened Oct 3, 2025
[launch_testing]: Nightly test failure with rmw_zenoh Open

bug

ros2/launch#904 · 1 assignee · Opened Aug 8, 2025
Add an option to not capture stdout and stderr Open

enhancement help wanted

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

ros2/launch#892 · 2 comments · Opened Jul 1, 2025
Type annotations do not reflect that Entity.get_attr()'s data_type parameter can be None Open

backlog bug

ros2/launch#888 · 1 assignee · Opened Jun 19, 2025
XML: Allow setting environment variables to promote include reuse Open

enhancement

ros2/launch#852 · 1 comment · 1 assignee · Opened Apr 6, 2025
IncludeLaunchDescription - request name without suffix/extension Open

enhancement

ros2/launch#849 · 2 comments · 1 reaction · 2 assignees · Opened Mar 25, 2025
EventHandler should normalize entities into iterable type Open

ros2/launch#829 · 1 assignee · Opened Feb 24, 2025
Add OpaqueFunction to list at docs.ros.org Open

bug help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

ros2/launch#826 · 4 comments · Opened Feb 7, 2025
argument collision in included files (xml and yaml) Open

ros2/launch#815 · 7 comments · 1 reaction · 1 assignee · Opened Dec 19, 2024
Stateful event callbacks? Open

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

ros2/launch#809 · Opened Nov 16, 2024
Allow optional scoping for including a launchfile Open

help wanted

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

ros2/launch#801 · 39 comments · 4 reactions · Opened Oct 9, 2024
Location of included launch files cannot be determined Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ros2/launch#799 · 3 comments · Opened Sep 28, 2024
Allow manual specification of parameter type Open

backlog

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

ros2/launch#797 · Opened Sep 17, 2024
Parameterized `launch_pytest` tests don't close node log files Open

ros2/launch#793 · 5 comments · 1 assignee · Opened Aug 6, 2024
Default port and address of 'foxglove_bridge_launch.xml' not met when launching Open

ros2/launch#792 · 1 comment · 1 assignee · Opened Jul 31, 2024
Return Code not set on SIGINT Open

backlog

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

ros2/launch#780 · 3 comments · Opened May 16, 2024
Change ISSUE_TEMPLATE.md Open

help wanted

Difficulty 1/5 1-3 hours Newbie friendliness 35/100

ros2/launch#779 · 1 comment · Opened May 16, 2024
ThisLaunchFileDir throws error in debug mode Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ros2/launch#774 · 1 reaction · Opened Apr 2, 2024
Tests on Windows falsely positive reporting passed due to SIGINT handling Open

more-information-needed

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

ros2/launch#767 · 1 comment · Opened Mar 13, 2024
Add an option to disable creating log files by the launch system Open

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

ros2/launch#761 · 1 comment · 4 reactions · Opened Feb 23, 2024
`ExecuteProcess` with `shell=True` gets incorrect exit code from the executed process Open

ros2/launch#757 · 2 comments · 1 assignee · Opened Jan 31, 2024
Bug when setting launch arguments of included descriptions Open

ros2/launch#749 · 3 comments · 2 reactions · 1 assignee · Opened Dec 14, 2023
[FeatureRequest] Is it possible to skip argument checking in include_launch_description Open

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

ros2/launch#745 · 3 reactions · Opened Nov 30, 2023
How to add SysLogHandler Open

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

ros2/launch#736 · 1 reaction · Opened Oct 10, 2023
`launch_pytest` Test does not terminate if an error occurs in launch fixture Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ros2/launch#732 · 1 comment · Opened Sep 12, 2023
Input validation for XML launch files Open

backlog enhancement

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

ros2/launch#731 · 1 comment · 1 reaction · Opened Sep 10, 2023
Feature Request: LaunchService wrapper for easy non-blocking launch and shutdown Open

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

ros2/launch#724 · 5 comments · 1 reaction · Opened Aug 15, 2023
Feature Request: Option to use a cached launch description Open

backlog

ros2/launch#721 · 1 assignee · Opened Jul 17, 2023
Setting additional_env in a ComposableNodeContainer will set the launch's environment as well Open

ros2/launch#715 · 2 comments · 1 assignee · Opened Jun 29, 2023
Substitutions in XML are not expanded intuitively when used for the purpose of executing programs. Open

ros2/launch#710 · 1 comment · 1 assignee · Opened Jun 7, 2023
launch_test no newline after test name Open

ros2/launch#706 · 1 assignee · Opened May 6, 2023
Node duplicated when 'name' specified in the .launch.py Open

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

ros2/launch#704 · 6 comments · Opened Apr 15, 2023
LaunchDescriptionSource does not expand substitution Open

bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 52/100

ros2/launch#703 · 2 comments · Opened Apr 14, 2023
`ros2 launch` bug for `$OVERRIDE_LAUNCH_PROCESS_OUTPUT` Open

more-information-needed

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ros2/launch#699 · Opened Apr 8, 2023
Difficult to specify YAML argument choices Open

help wanted

Difficulty 2/5 Half a day Newbie friendliness 45/100

ros2/launch#698 · 3 comments · Opened Mar 27, 2023
High memory usage on log burst Open

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

ros2/launch#691 · 5 comments · 1 reaction · Opened Feb 7, 2023
XML launch `<include>` can pass implicit arguments Open

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

ros2/launch#689 · 2 comments · 2 reactions · Opened Jan 20, 2023

ros2/launch

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