Repository Issue Activity (beta)

nlohmann/json

Current issue state, recent activity, and per-issue timelines from the indexed issue data.

Open Issues
32
New in 7 Days
3
Closed in 7 Days
1
Average Open Age
373 days
Stale 30+ Days
15
Stale 90+ Days
4
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-08-2400000
2026-08-2300000
2026-08-2200111
2026-08-2120002
2026-08-2010121
2026-08-1901161
2026-08-1800000
2026-08-1700131
2026-08-1600121
2026-08-1500121
2026-08-1400000
2026-08-1300000
2026-08-1201010
2026-08-1100000
This Week

Opened: 3

Closed: 1

Comments: 3

Events: 9

Top Labels
kind: bug (208)
solution: proposed fix (137)
state: stale (39)
confirmed (38)
solution: invalid (34)
aspect: binary formats (29)
state: needs more info (27)
documentation (25)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#5393 Stack overflow in diff(), merge_patch(), and flatten() due to unbounded recursion

Opened 3 days ago
nlohmann
open
No labels
102 days ago

#5392 Stack overflow in binary format writers (CBOR/MessagePack/UBJSON/BSON) due to unbounded recursion

Opened 3 days ago
nlohmann
open
No labels
003 days ago

#5387 Stack overflow in copy constructor and dump() on deeply nested json (destructor was fixed in #1436)

Opened 4 days ago
doringeman
open
kind: bug
104 days ago

#5315 CBOR: cbor_tag_handler_t::ignore does not ignore tags 0-5 and 21-23 (head bytes 0xC0-0xC5, 0xD5-0xD7)

Opened 28 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
305 days ago

#5135 basic_json destructor allocates memory, violating noexcept semantics

Opened 4 months ago
EvanBalster
open - reopened
kind: bug
state: please discuss
806 days ago

#5318 to_cbor()/to_msgpack() allocate a temporary basic_json for every object key

Opened 28 days ago
nlohmann
open
kind: enhancement/improvement
aspect: binary formats
good first issue
207 days ago

#5066 MSVC: unexpected behaviour converting from json to a rvalue reference of a variant containing a type that can be constructed from a string

Opened 7 months ago
karcherm
open - reopened
kind: bug
state: stale
15010 days ago

#5210 Mixed comparison bug: number_unsigned (INT64_MAX+1~UINT64_MAX) vs number_integer

Opened 2 months ago
ljcjclljc
closed - completed
kind: bug
solution: proposed fix
6013 days ago

#5371 C28619 warning in lexer.hpp with Visual Studio 2022 / C++20

Opened 14 days ago
PalazonP
closed - duplicate
kind: bug
solution: duplicate
solution: proposed fix
1014 days ago

#4714 Binary formats invalid encoding for <discarded> values in arrays and objects

Opened 1 year ago
nebkat
open
kind: bug
aspect: binary formats
state: stale
14015 days ago

#5321 to_ubjson()/to_bjdata() with use_type=true and use_size=false aborts in debug builds and emits invalid output in release builds

Opened 28 days ago
nlohmann
open
state: please discuss
aspect: binary formats
2016 days ago

#5357 Behavior differences in operator[] object creation with a json_pointer

Opened 21 days ago
nlohmann
open
state: please discuss
1021 days ago

#5290 Docs: document standards/JSONTestSuite compliance and the parse() vs operator>> strictness difference

Opened 1 month ago
nlohmann
closed - completed
documentation
0021 days ago

#5346 char_traits<signed char>::to_int_type sign-extends bytes ≥0x80, colliding with eof() and breaking CBOR/UTF-8 parsing

Opened 22 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
1021 days ago

#5288 Deprecation warning for operator== when using ordered_json when building with clang

Opened 1 month ago
Jezza2
closed - completed
kind: bug
confirmed
solution: proposed fix
1022 days ago

#5298 Idea: arena / PMR document mode (O(1) teardown, allocation-free destruction)

Opened 1 month ago
nlohmann
open
No labels
1022 days ago

#5340 operator>> does not restore the character that terminates a number

Opened 25 days ago
nlohmann
open
state: please discuss
2024 days ago

#5338 CBOR: get_number() return value discarded when reading tagged-binary subtype (0xD8-0xDB)

Opened 25 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
1024 days ago

#5322 UBJSON/BJData high-precision numbers ('H') bypass the out_of_range.406 overflow check and silently yield infinity

Opened 28 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
4024 days ago

#5311 BSON docs: missing interoperability warning for marker 0x11, and binary round-trip asymmetry not mentioned

Opened 29 days ago
nlohmann
closed - completed
documentation
aspect: binary formats
1025 days ago

#5309 BSON reader ignores get_number() return values and skips an EOF check for booleans

Opened 29 days ago
nlohmann
closed - completed
aspect: binary formats
0025 days ago

#5319 CBOR: docs and comments cite the obsoleted RFC 7049, and the half-precision decoder has two tautological assertions

Opened 28 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
4025 days ago

#5297 Idea: canonical / deterministic serialization (RFC 8785 JCS)

Opened 1 month ago
nlohmann
open
No labels
1027 days ago

#5307 to_bson() silently emits corrupt documents when a length exceeds INT32_MAX

Opened 29 days ago
nlohmann
closed - completed
aspect: binary formats
good first issue
1027 days ago

#5320 to_msgpack() silently emits corrupt output (or reads out of bounds) above the documented 4294967295 size limit

Opened 28 days ago
nlohmann
open
aspect: binary formats
good first issue
1028 days ago

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