Curated Issues

C Good First Issues

Browse open source issues tagged with C in the issue metadata. Results stay focused on work that can become public contribution evidence.

1,668 matching issues

C

Slice signals

  • Average annotated difficulty: 2.7/5 across 1,905 issues.
  • 70% of 1,905 time estimates are one day or less.
Open
[YSQL] Output the result of COMMIT or ROLLBACK
area/ysqlgood first issuekind/bugpriority/mediumstatus/awaiting-triage
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly label

yugabyte / yugabyte-db · #29929 · Jan 10, 2026 · C · 8,229 stars

0 comments0 reactions0 assignees
Open
分页查询超级表特别慢
help wantedquestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

taosdata / TDengine · #34193 · Jan 7, 2026 · C · 24,849 stars

4 comments0 reactions0 assignees
Open
AIX 7.2 test_lhash unit test failure on OpenSSL 3.5.4
branch: 3.5branch: 3.6branch: masterhelp wantedtriaged: bug
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #29562 · Jan 6, 2026 · C · 30,157 stars

15 comments0 reactions0 assignees
Open
[Bug] Macros working weirdly in Windows
bughelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

qmk / qmk_firmware · #25922 · Jan 1, 2026 · C · 20,368 stars

0 comments0 reactions0 assignees
Open
[Bug] Nested/combined `OSM` is unreliable
bughelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

qmk / qmk_firmware · #25905 · Dec 25, 2025 · C · 20,368 stars

0 comments0 reactions0 assignees
Open
查询时会出现耗时很长的问题
help wantedquestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

taosdata / TDengine · #34011 · Dec 22, 2025 · C · 24,849 stars

1 comment0 reactions0 assignees
Open
send gdb a patch to expose the frame id
help wantedupstream-bug
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

pwndbg / pwndbg · #3513 · Dec 18, 2025 · Python · 5,820 stars

1 comment0 reactions0 assignees
Open
Add f16 NEON support in ARM Windows
good first issue
Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelContributing guide available

qdrant / qdrant · #7718 · Dec 8, 2025 · Rust · 31,321 stars

0 comments0 reactions1 assignee
Open
Additional architecture specific testing
help wantedtriaged: feature
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

openssl / openssl · #29269 · Nov 30, 2025 · C · 30,157 stars

0 comments0 reactions0 assignees
Open
Sync leader is restoring
help wantedquestion
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

taosdata / TDengine · #33764 · Nov 30, 2025 · C · 24,849 stars

3 comments0 reactions0 assignees
Open
Eval bug: wrong default threads in llama-bench
good first issuelow severityperformance
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

ggml-org / llama.cpp · #17611 · Nov 30, 2025 · C++ · 124,043 stars

11 comments0 reactions0 assignees