protocolbuffers/protobuf

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Protocol Buffers - Google's data interchange format

Stars: 72k
Forks: 16.3k
Open beginner issues: 0
Indexed issues: 146
Avg merge: 1d 17h
Merged PRs (30d): 140

Dominant language: C++
License: No license data
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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17 beginner-friendly issues open

MODULE.bazel: crate_universe usage without a lockfile breaks every `bazel mod` command for consumers Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

protocolbuffers/protobuf#29866 · Opened Sep 18, 2026
Python upb: empty extended slice in del repeated_field[start:stop:step] performs an out-of-bounds memmove Open

Difficulty 2/5 1-3 hours Newbie friendliness 92/100

protocolbuffers/protobuf#29672 · Opened Sep 9, 2026
[Python] Generated type annotations do not pass mypy strict Open

feature request untriaged

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

protocolbuffers/protobuf#29528 · 2 comments · Opened Aug 31, 2026
[Ruby FFI] Map#merge always raises when merging Hash or Map values Open

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

protocolbuffers/protobuf#29520 · Opened Aug 29, 2026
[Ruby] google-protobuf source_code_uri uses nonexistent v4.x tags Open

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

protocolbuffers/protobuf#29519 · Opened Aug 29, 2026
[Ruby] ListValue#each raises without a block instead of returning an Enumerator Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

protocolbuffers/protobuf#29518 · Opened Aug 29, 2026
[Ruby] RepeatedField#values_at is aliased to Enumerable#select Open

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

protocolbuffers/protobuf#29516 · Opened Aug 29, 2026
py_wheel license metadata still non-SPDX text despite setup.py fix in https://github.com/protocolbuffers/protobuf/pull/9441 Open

bug wait for user action

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

protocolbuffers/protobuf#29440 · 1 comment · Opened Aug 26, 2026
36.0 macOS prebuilt Bazel tool integrity hashes do not match artifacts Open

bug packaging & distribution

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

protocolbuffers/protobuf#29313 · 6 comments · 10 reactions · Opened Aug 20, 2026
It seems there is a typo in C++ Arena Allocation Guide document. Open

feature request

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

protocolbuffers/protobuf#28830 · Opened Jul 27, 2026
_message.pyd for Windows Python is missing NX and ASLR Open

38.x bug feature request python

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

protocolbuffers/protobuf#28688 · 1 comment · Opened Jul 20, 2026
Protobuf `ParseFromArray` takes an `int size` where negative values are UB Open

bug help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

protocolbuffers/protobuf#28065 · 8 comments · Opened Jun 17, 2026
PHP: C extension has undocumented "append" function that has no package parity. Open

help wanted

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

protocolbuffers/protobuf#26188 · 2 comments · Opened Mar 3, 2026
[Python] Potential memory leak Open

help wanted python

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

protocolbuffers/protobuf#24257 · 4 comments · Opened Nov 3, 2025
Check for wrapper types in C# code gen should be case insensitive Open

c# help wanted

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

protocolbuffers/protobuf#22744 · 3 comments · Opened Jul 23, 2025
Dotnet - Include key name when failing to add to a MapField due to a duplicate key Open

help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

protocolbuffers/protobuf#17085 · 1 comment · Opened Jun 10, 2024
Signed / unsigned comparison warning on MSVC Open

c++ help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

protocolbuffers/protobuf#15028 · 2 comments · Opened Dec 11, 2023

protocolbuffers/protobuf

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