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eclipse-cyclonedds

5 indexed repositories · View on GitHub

cyclonedds
Eclipse Cyclone DDS project

C · 1344 stars
cyclonedds-cxx

C++ · 141 stars
cyclonedds-python

Python · 110 stars
cyclonedds-insight

QML · 62 stars
cyclonedds-rust

Rust · 16 stars

Beginner friendly Everything

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Windows static library build fails with MinGW Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

eclipse-cyclonedds/cyclonedds#2466 · Opened Sep 19, 2026
ExternalNetworkAddress configuration doesn't work on TCP Client if port is -1 Open

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

eclipse-cyclonedds/cyclonedds#2464 · Opened Sep 15, 2026
TCP connections freeze and drop off if participant is in connect state Open

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

eclipse-cyclonedds/cyclonedds#2463 · Opened Sep 15, 2026
CycloneDDS accepts an XCDR1 payload whose `sequence<long, 5>` length is zero while trailing serialized elements remain in the sample Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

eclipse-cyclonedds/cyclonedds#2453 · Opened Aug 28, 2026
RTPS checksum support Open

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

eclipse-cyclonedds/cyclonedds#2452 · Opened Aug 28, 2026
Segfault in EntityDelegate::obtain_callback_lock() during subscription_matched callback while constructing DataReader (race with listener_set / dds_set_listener) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

eclipse-cyclonedds/cyclonedds-cxx#581 · 1 comment · Opened Aug 24, 2026
Potential collaboration and feature sharing with an existing Cyclone DDS Rust binding Open

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

eclipse-cyclonedds/cyclonedds-rust#10 · 1 reaction · Opened Aug 18, 2026
Generated Python code is not interoperable when a union contains a member called "value" Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

eclipse-cyclonedds/cyclonedds-python#338 · Opened Aug 10, 2026
Bundled `idlc` in cyclonedds 11.0.1 Linux wheel crashes with segmentation fault Open

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

eclipse-cyclonedds/cyclonedds-python#336 · Opened Aug 10, 2026
Octets past the type's CDR extent are accepted and silently discarded; FastDDS rejects the same sample Open

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

eclipse-cyclonedds/cyclonedds#2445 · Opened Aug 7, 2026
Uninitialized ddsc_endpoint_ in BuiltinTopicDelegate.hpp causes segmentation fault in v11 Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

eclipse-cyclonedds/cyclonedds-cxx#578 · Opened Aug 5, 2026
CycloneDDS CDR stream accepts zero-length payload for @appendable type and deserializes it as a default-initialized sample Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

eclipse-cyclonedds/cyclonedds#2432 · Opened Jul 24, 2026
cyclonedds.xsd: IgnoreTypeInformation should be of type xs:string with a pattern Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

eclipse-cyclonedds/cyclonedds#2429 · Opened Jul 22, 2026
[Enhancement] Migrate from OpenSSL PKCS7 to CMS in Access Control to prepare for PQC support Open

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

eclipse-cyclonedds/cyclonedds#2428 · Opened Jul 20, 2026
XCDRv1 @appendable sample with trailing bytes accepted by CycloneDDS, rejected by FastDDS/OpenDDS Open

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

eclipse-cyclonedds/cyclonedds#2427 · Opened Jul 17, 2026
large message Transmission Jetson Thor to windows Open

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

eclipse-cyclonedds/cyclonedds-python#334 · Opened Jul 14, 2026
Cyclone DDS 11.0.1 intermittently asserts in ddsi_fini during ROS 2 action teardown Open

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

eclipse-cyclonedds/cyclonedds#2426 · Opened Jul 14, 2026
Malformed PID_TYPE_INFORMATION in Endpoint Discovery messages Open

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

eclipse-cyclonedds/cyclonedds-python#333 · 1 comment · Opened Jul 3, 2026
Potential undefined behavior on QNX with `fd_set` and `select` Open

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

eclipse-cyclonedds/cyclonedds#2421 · Opened Jul 3, 2026
QoS provider failes to load xml with tags Open

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

eclipse-cyclonedds/cyclonedds#2413 · 6 comments · Opened Jun 13, 2026
Need help using cyclonedds-python to publish on a topic Open

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

eclipse-cyclonedds/cyclonedds-python#332 · Opened Jun 10, 2026
export idl file from network type information Open

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

eclipse-cyclonedds/cyclonedds-insight#111 · Opened Jun 1, 2026
[Question] Understanding FragmentSize setting Open

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

eclipse-cyclonedds/cyclonedds#2396 · 2 comments · Opened May 19, 2026
IDLC_GENERATE fails on Windows when using CycloneDDS 11.0.X as an installed external package Open

Difficulty 2/5 1-3 hours Newbie friendliness 66/100

eclipse-cyclonedds/cyclonedds#2389 · 2 comments · Opened May 13, 2026
Circular include in SubscriberDelegate.hpp causes hard error on GCC 14+ (strict two-phase name lookup) Open

Difficulty 1/5 Under an hour Newbie friendliness 86/100

eclipse-cyclonedds/cyclonedds#2388 · Opened May 10, 2026
[Bug] Multiple self-deadlocks in CycloneDDS caused by recursive locking of non-recursive mutexes Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

eclipse-cyclonedds/cyclonedds#2374 · 3 comments · Opened Mar 25, 2026
DynamicData does not seem to be working. Open

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

eclipse-cyclonedds/cyclonedds-cxx#573 · 1 comment · Opened Mar 2, 2026
feat: @default enum field Open

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

eclipse-cyclonedds/cyclonedds#2361 · 1 comment · Opened Feb 27, 2026
Performance is unacceptable in small robot network Open

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

eclipse-cyclonedds/cyclonedds#2355 · 1 comment · Opened Feb 25, 2026
Cannot create global DDS topics when building with GCC Open

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

eclipse-cyclonedds/cyclonedds-cxx#569 · Opened Feb 11, 2026
CycloneDDS on S32G3 NXP platform Open

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

eclipse-cyclonedds/cyclonedds#2341 · 2 comments · Opened Jan 21, 2026
Add counter how often a sample was written with the tester Open

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

eclipse-cyclonedds/cyclonedds-insight#84 · Opened Jan 16, 2026
libcdr depends ddsrt Open

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

eclipse-cyclonedds/cyclonedds#2337 · 1 comment · Opened Jan 14, 2026
cyclonedds 0.10.5 was released once, but it was released again at the end. Open

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

eclipse-cyclonedds/cyclonedds-cxx#567 · Opened Jan 12, 2026
libddsc.so.0.10.5 has an crush Open

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

eclipse-cyclonedds/cyclonedds#2329 · 4 comments · Opened Dec 11, 2025
HelloWorldExample error Open

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

eclipse-cyclonedds/cyclonedds-cxx#564 · Opened Dec 11, 2025
owner strength qos not working for shm Open

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

eclipse-cyclonedds/cyclonedds#2328 · Opened Dec 9, 2025
How will DDS messages choose the link? Open

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

eclipse-cyclonedds/cyclonedds#2327 · 4 comments · Opened Nov 30, 2025
Tag for latest fixes on 0.10.x and humble release Open

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

eclipse-cyclonedds/cyclonedds#2325 · 1 comment · Opened Nov 20, 2025
Excessive Heartbeat/ACK traffic causes extreme latency (~tens of seconds) on embedded target without RTC Open

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

eclipse-cyclonedds/cyclonedds#2324 · 1 comment · Opened Nov 19, 2025
Dual network interface publishing Open

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

eclipse-cyclonedds/cyclonedds#2322 · 1 comment · Opened Nov 18, 2025
XML QoS profile support for "type coercion" missing Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

eclipse-cyclonedds/cyclonedds#2320 · Opened Nov 14, 2025
Segmentation fault on `dds_delete_topic_descriptor` Open

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

eclipse-cyclonedds/cyclonedds#2318 · 2 comments · Opened Nov 12, 2025
How to ignore abnormal messages when receiving? Open

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

eclipse-cyclonedds/cyclonedds#2314 · 2 comments · Opened Nov 10, 2025
XML QoS profile for data representation Open

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

eclipse-cyclonedds/cyclonedds-cxx#558 · 4 comments · Opened Nov 6, 2025
IDLC_GENERATE cmake function does not support all idlc options Open

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

eclipse-cyclonedds/cyclonedds#2313 · 1 comment · Opened Nov 5, 2025
Persistent QoS Policy Not Working & Need Guidance for dds_ps Compilation in CycloneDDS Open

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

eclipse-cyclonedds/cyclonedds#2312 · 1 comment · Opened Nov 1, 2025
QosProvider creation issue with empty partition field Open

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

eclipse-cyclonedds/cyclonedds-cxx#557 · 2 comments · Opened Oct 24, 2025
Domain initialization exception when ROS_DOMAIN_ID=0 Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

eclipse-cyclonedds/cyclonedds-python#311 · Opened Oct 22, 2025
Network burst on multiple participants, partitions and computers Open

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

eclipse-cyclonedds/cyclonedds#2306 · 4 comments · Opened Oct 19, 2025

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