boostorg/json

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A C++11 library for parsing and serializing JSON to and from a DOM container in memory.

Stars: 478
Forks: 110
Open beginner issues: 0
Indexed issues: 67
Avg merge: 8d 12h
Merged PRs (30d): 6

Dominant language: C++
License: BSL-1.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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66 open issues indexed

Empty tuple conversion fails to compile Open

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

boostorg/json#1196 · 2 comments · Opened Sep 6, 2026
Feature Request: further JSON5 support Open

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

boostorg/json#1162 · 2 comments · Opened May 24, 2026
Share common substructures in JSON documents Open

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

boostorg/json#1155 · 1 comment · Opened Apr 26, 2026
sanitizer warning Open

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

boostorg/json#1133 · 1 comment · Opened Dec 30, 2025
`parser::write` and `parser::write_some` could be clearer Open

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

boostorg/json#1132 · Opened Dec 20, 2025
Investigate simpler, more Nlohmann-like, custom conversions Open

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

boostorg/json#1127 · 1 comment · Opened Dec 1, 2025
Add conversion example for a simple struct Open

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

boostorg/json#1125 · Opened Dec 1, 2025
Slight innacuracy in `ip_address` `try_value_to` example Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

boostorg/json#1124 · Opened Dec 1, 2025
Show intrusive conversions for `ip_address` in documentation Open

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

boostorg/json#1123 · Opened Dec 1, 2025
Rename `json::parser::write` to `read` Open

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

boostorg/json#1103 · 8 comments · 7 reactions · Opened Sep 4, 2025
Comparison to Glaze Open

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

boostorg/json#1102 · 8 comments · Opened Aug 28, 2025
Request for JCS serialization mode (rfc8785) Open

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

boostorg/json#1101 · 1 comment · Opened Aug 27, 2025
Various API improvements Open

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

boostorg/json#1082 · Opened Apr 22, 2025
How to get the literal value of a number? Open

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

boostorg/json#1074 · 18 comments · Opened Feb 24, 2025
Better diagnostic for value_to errors on described structures Open

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

boostorg/json#1069 · 4 comments · Opened Feb 6, 2025
Document getting source_locations Open

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

boostorg/json#1065 · 2 comments · Opened Jan 8, 2025
Consider storing a more direct source_location in error_codes Open

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

boostorg/json#1061 · Opened Dec 16, 2024
Representation for durations and time_points Open

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

boostorg/json#1044 · 13 comments · Opened Sep 19, 2024
Investigate a new bunch of benchmarks/conformance tests Open

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

boostorg/json#1037 · Opened Aug 31, 2024
Investigate using SIMD for escaping Open

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

boostorg/json#1033 · Opened Aug 22, 2024
Consider supporting JMESPath query language Open

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

boostorg/json#1018 · Opened Jul 6, 2024
add std::formatter for json::string_view and json::string Open

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

boostorg/json#1010 · 1 comment · Opened May 27, 2024
Antora documentation Open

Doc

boostorg/json#1009 · 1 comment · 1 assignee · Opened May 23, 2024
Backwards compatibility? (new structure definitions but old json serialization) Open

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

boostorg/json#997 · 17 comments · Opened Mar 27, 2024
Add a shorthand to masquerade a type parsing/serializing Open

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

boostorg/json#989 · 1 comment · Opened Mar 14, 2024
boost::json::value::is_uint64() behaves unintuitively Open

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

boostorg/json#984 · 18 comments · Opened Feb 25, 2024
Value Iteration Open

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

boostorg/json#970 · 5 comments · Opened Jan 8, 2024
Integrating with boost::pfr? Open

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

boostorg/json#955 · 4 comments · 4 reactions · Opened Nov 22, 2023
Investigate whether there's a benefit to providing CMake presets Open

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

boostorg/json#882 · Opened May 4, 2023
Feature Request: Parse numbers as strings Open

Feature

boostorg/json#872 · 16 comments · 1 reaction · 1 assignee · Opened Mar 20, 2023
natvis is broken Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

boostorg/json#869 · 4 comments · Opened Mar 9, 2023
update benchmark docs Open

Doc

boostorg/json#860 · 15 comments · 1 assignee · Opened Feb 17, 2023
Feature request - Validate JSON against JSON Schema Open

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

boostorg/json#842 · 16 comments · 4 reactions · Opened Jan 17, 2023
Support python-style '#' comments Open

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

boostorg/json#839 · 2 comments · Opened Jan 13, 2023
Concept: json::binary / blob Open

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

boostorg/json#827 · 6 comments · Opened Dec 27, 2022
Feature request: (de)serialize msgpack Open

Doc

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

boostorg/json#822 · 3 comments · Opened Dec 21, 2022
Indented serialisation Open

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

boostorg/json#811 · 4 comments · Opened Nov 18, 2022
Use URL test_suite Open

boostorg/json#788 · 1 comment · 1 assignee · Opened Oct 26, 2022
Consider supporting std::reference_wrapper in value_from Open

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

boostorg/json#761 · Opened Sep 29, 2022
Consider relaxing is_sequence_like to support end() returning a Sentinel Open

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

boostorg/json#759 · Opened Sep 26, 2022
[Feature Request] Support JSON Patch, Diff and (especially) Merge Patch Open

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

boostorg/json#752 · 4 comments · 1 reaction · Opened Sep 17, 2022
Support for ordered insert/erase on json::object Open

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

boostorg/json#748 · 1 comment · Opened Aug 28, 2022
Documentation for implementation limits and related design choices Open

Doc

boostorg/json#744 · 1 assignee · Opened Aug 28, 2022
double check review feedback Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

boostorg/json#740 · 4 comments · Opened Aug 21, 2022
As many insertion functions as possible should give strong guarantee Open

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

boostorg/json#734 · Opened Aug 1, 2022
array, object insert and emplace use value_ref instead of template Arg Open

API

Difficulty 3/5 1-2 days Newbie friendliness 62/100

boostorg/json#723 · 1 comment · Opened Jun 22, 2022
Explore potential for optimization in array::insert(Iter, InputIt, InputIt) Open

Performance

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

boostorg/json#702 · 6 comments · Opened May 15, 2022
Temp variable uses wrong storage Open

boostorg/json#694 · 7 comments · 1 assignee · Opened Apr 15, 2022
Investigate better approach to value to string-ish comparison Open

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

boostorg/json#673 · 8 comments · Opened Jan 27, 2022
string::resize_and_overwrite Open

API Performance

boostorg/json#669 · 7 comments · 1 assignee · Opened Jan 12, 2022

boostorg/json

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