- NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE\_WITH\_DEFAULT can not parse { "key" : null} [\#3458](https://github.com/nlohmann/json/issues/3458)
- Unable to compile when using Microsoft's \_CRTDBG [\#3457](https://github.com/nlohmann/json/issues/3457)
- Compilation errors when including `<filesystem>` and using `--std=c++17` or above \(MinGW/Win10\) [\#3449](https://github.com/nlohmann/json/issues/3449)
- Weird things on for statement [\#3447](https://github.com/nlohmann/json/issues/3447)
- Parsing error when there is a json string within a Json [\#3445](https://github.com/nlohmann/json/issues/3445)
- ordered\_json vs json types comparison [\#3443](https://github.com/nlohmann/json/issues/3443)
- Error occurred when converting nlohmann::json to std::any [\#3428](https://github.com/nlohmann/json/issues/3428)
- I was forced to report an assertion error when copying an array of strings [\#3419](https://github.com/nlohmann/json/issues/3419)
- About Serialization Error invalid UTF-8 byte at index [\#3414](https://github.com/nlohmann/json/issues/3414)
- Comparison of NaN differs between json and float [\#3409](https://github.com/nlohmann/json/issues/3409)
- when i use it in C++ sserver,it it constantly show that fatal error: adl\_serializer.hpp: No such file or directory [\#3404](https://github.com/nlohmann/json/issues/3404)
- CMake script MAIN\_PROJECT always OFF [\#3390](https://github.com/nlohmann/json/issues/3390)
- Parser unable to handle large floating point numbers [\#3389](https://github.com/nlohmann/json/issues/3389)
- Compilation error if json\_pointer is used with alternative string type [\#3388](https://github.com/nlohmann/json/issues/3388)
- Unit tests conversions & items fail to build \(Clang \<4.0/C++14 only\) [\#3384](https://github.com/nlohmann/json/issues/3384)
- Regression test for \#3070 is not being run and fails when enabled [\#3377](https://github.com/nlohmann/json/issues/3377)
- Refactor unit tests to use more convenient doctest assertion macros [\#3365](https://github.com/nlohmann/json/issues/3365)
- An json.h issue reported in a static code analyzer [\#3361](https://github.com/nlohmann/json/issues/3361)
- Mixing different JSON\_DIAGNOSTICS settings in separately compiled units leads to core [\#3360](https://github.com/nlohmann/json/issues/3360)
- json::out\_of\_range exception matches against lot of others while testing [\#3352](https://github.com/nlohmann/json/issues/3352)
- use mipsel-openwrt-linux-g++ -std=c++11 to compile, it has some errors "error: 'snprintf' is not a member of 'std'" [\#3349](https://github.com/nlohmann/json/issues/3349)
- json.exception.parse\_error.101 when parsing data received over a socket [\#3313](https://github.com/nlohmann/json/issues/3313)
- Parse to custom class from unordered\_json breaks on G++11.2.0 with C++20 [\#3312](https://github.com/nlohmann/json/issues/3312)
- try to assign dumped string to a class member varible [\#3300](https://github.com/nlohmann/json/issues/3300)
- includedir in pkgconfig is error if install\_headers\(\) has subdir argument. [\#3284](https://github.com/nlohmann/json/issues/3284)
- SHA-256 sum of json-3.10.5.tar.xz changes over time \(but not the content itself\) [\#3281](https://github.com/nlohmann/json/issues/3281)
- items\(\) method does not follow order of json message [\#3278](https://github.com/nlohmann/json/issues/3278)
- Perplexing template deduction failure serialising a 3rd party type using base class [\#3267](https://github.com/nlohmann/json/issues/3267)
- json.hpp 'isfinite' is not a member of 'std' also isinf; snprintf; stoull and to\_string members of std [\#3263](https://github.com/nlohmann/json/issues/3263)
- JSON build fails for C++ cmake [\#3256](https://github.com/nlohmann/json/issues/3256)
- Deserialization: if class is\_constructible from std::string wrong from\_json overload is being selected, compilation failed [\#3171](https://github.com/nlohmann/json/issues/3171)
- 'clang++ ./json.hpp' with no usage: Compiler syntax problem in clang 3.7.0 \(tizen :/ \) [\#3153](https://github.com/nlohmann/json/issues/3153)
- build failure on upcoming gcc-12: test/src/unit-regression1.cpp:392:22: error: ambiguous overload for 'operator=' [\#3138](https://github.com/nlohmann/json/issues/3138)
- Iterators cannot be used with range-v3 [\#3130](https://github.com/nlohmann/json/issues/3130)
- std::shared\_ptr\<T\> == nlohmann::json compiles, which seem undesirable [\#3026](https://github.com/nlohmann/json/issues/3026)
- Error in test\download\_test\_data.vcxproj custom build step when compiling with Visual Studio 2019 16.7.7 msbuild on Windows 10 [\#2593](https://github.com/nlohmann/json/issues/2593)
- Consider putting the user-defined literals in a namespace [\#1682](https://github.com/nlohmann/json/issues/1682)
- Using versioned namespaces [\#1539](https://github.com/nlohmann/json/issues/1539)
- How can I use std::string\_view as the json\_key to "operator \[\]" ? [\#1529](https://github.com/nlohmann/json/issues/1529)
- Add license header to new files [\#3633](https://github.com/nlohmann/json/pull/3633) ([nlohmann](https://github.com/nlohmann))
- Add a unit test including windows.h [\#3631](https://github.com/nlohmann/json/pull/3631) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Fixed latest build error in msvc platform [\#3630](https://github.com/nlohmann/json/pull/3630) ([KsaNL](https://github.com/KsaNL))
- Add regression tests for \#3204 and \#3333 [\#3629](https://github.com/nlohmann/json/pull/3629) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Disable exceptions on ICPC [\#3621](https://github.com/nlohmann/json/pull/3621) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- build: install .pc and .cmake files to share/ [\#3619](https://github.com/nlohmann/json/pull/3619) ([Tachi107](https://github.com/Tachi107))
- Fix MinGW CI failures [\#3618](https://github.com/nlohmann/json/pull/3618) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Fix Unicode test timeout \(for real this time!\) [\#3614](https://github.com/nlohmann/json/pull/3614) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Use 'concurrency' in GitHub workflows [\#3610](https://github.com/nlohmann/json/pull/3610) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Use swap\(\) by ADL [\#3609](https://github.com/nlohmann/json/pull/3609) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Move UDLs out of the global namespace [\#3605](https://github.com/nlohmann/json/pull/3605) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Re-add value\_type detection to distinguish string types [\#3604](https://github.com/nlohmann/json/pull/3604) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add documentation for comparing json and ordered\_json [\#3599](https://github.com/nlohmann/json/pull/3599) ([nlohmann](https://github.com/nlohmann))
- Clean up after \#3581 [\#3596](https://github.com/nlohmann/json/pull/3596) ([nlohmann](https://github.com/nlohmann))
- Add assertion if nullptr is passed to parse function [\#3593](https://github.com/nlohmann/json/pull/3593) ([nlohmann](https://github.com/nlohmann))
- Minor documentation fixes [\#3592](https://github.com/nlohmann/json/pull/3592) ([nlohmann](https://github.com/nlohmann))
- Add badge for https://repology.org/project/nlohmann-json/versions [\#3586](https://github.com/nlohmann/json/pull/3586) ([nlohmann](https://github.com/nlohmann))
- Add error message if test suite cannot be found [\#3585](https://github.com/nlohmann/json/pull/3585) ([nlohmann](https://github.com/nlohmann))
- add patch\_inplace function [\#3581](https://github.com/nlohmann/json/pull/3581) ([wolfv](https://github.com/wolfv))
- Enable overriding test properties and set Unicode test timeouts [\#3580](https://github.com/nlohmann/json/pull/3580) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add overloads for more key types to ordered\_map and fix ordered\_map::erase\(first, last\) with first == last [\#3564](https://github.com/nlohmann/json/pull/3564) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Make certain usage patterns more prominent in the README [\#3557](https://github.com/nlohmann/json/pull/3557) ([jez](https://github.com/jez))
- More documentation updates for 3.11.0 [\#3553](https://github.com/nlohmann/json/pull/3553) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Use DOCTEST\_\* compiler macros and suppress pragmas warning [\#3550](https://github.com/nlohmann/json/pull/3550) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add unit test to make sure iterator\_input\_adapter advances iterators correctly [\#3548](https://github.com/nlohmann/json/pull/3548) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Use REUSE framework [\#3546](https://github.com/nlohmann/json/pull/3546) ([nlohmann](https://github.com/nlohmann))
- Use `std::iterator_traits` to extract `iterator_category` [\#3544](https://github.com/nlohmann/json/pull/3544) ([Mike-Leo-Smith](https://github.com/Mike-Leo-Smith))
- BJData dimension length can not be string\_t::npos, fix \#3541 [\#3543](https://github.com/nlohmann/json/pull/3543) ([fangq](https://github.com/fangq))
- Add to\_json\(\) for std::vector\<bool\>::reference [\#3534](https://github.com/nlohmann/json/pull/3534) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- CI: Enable 32bit unit test \(3\) [\#3532](https://github.com/nlohmann/json/pull/3532) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Use new CI image [\#3528](https://github.com/nlohmann/json/pull/3528) ([nlohmann](https://github.com/nlohmann))
- Fix ndarray dimension signedness, fix ndarray length overflow \(2\); add 32bit unit test [\#3523](https://github.com/nlohmann/json/pull/3523) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Small documentation fixes [\#3520](https://github.com/nlohmann/json/pull/3520) ([nlohmann](https://github.com/nlohmann))
- Add assertion to converting constructor [\#3517](https://github.com/nlohmann/json/pull/3517) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add assertion for invariant in SAX-DOM parser [\#3498](https://github.com/nlohmann/json/pull/3498) ([nlohmann](https://github.com/nlohmann))
- Add more macOS builders [\#3485](https://github.com/nlohmann/json/pull/3485) ([nlohmann](https://github.com/nlohmann))
- change bjdata ndarray flag to detect negative size, as part of \#3475 [\#3479](https://github.com/nlohmann/json/pull/3479) ([fangq](https://github.com/fangq))
- Enable rapid testing and development on Compiler Explorer [\#3456](https://github.com/nlohmann/json/pull/3456) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Disable regression test for \#3070 on GCC \<8.4 [\#3451](https://github.com/nlohmann/json/pull/3451) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Implement support for string\_view \(attempt no. 3\) [\#3423](https://github.com/nlohmann/json/pull/3423) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- CI: speedup AppVeyor builds by ~30% [\#3422](https://github.com/nlohmann/json/pull/3422) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Restore disabled check for \#3070 \(except on MSVC\) [\#3421](https://github.com/nlohmann/json/pull/3421) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Update CI image [\#3420](https://github.com/nlohmann/json/pull/3420) ([nlohmann](https://github.com/nlohmann))
- Add check if different version is also included [\#3418](https://github.com/nlohmann/json/pull/3418) ([nlohmann](https://github.com/nlohmann))
- Report the right \_\_cplusplus value for MSVC in basic\_json meta\(\) [\#3417](https://github.com/nlohmann/json/pull/3417) ([flagarde](https://github.com/flagarde))
- CI: windows-2016 has been deprecated; remove jobs [\#3416](https://github.com/nlohmann/json/pull/3416) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Re-template json\_pointer on string type [\#3415](https://github.com/nlohmann/json/pull/3415) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Refactor unit tests to use more convenient doctest assertion macros \(Part 2\) [\#3405](https://github.com/nlohmann/json/pull/3405) ([kkarbowiak](https://github.com/kkarbowiak))
- Refactor unit tests to use more convenient doctest assertion macros [\#3393](https://github.com/nlohmann/json/pull/3393) ([kkarbowiak](https://github.com/kkarbowiak))
- Improve unit testing \(Part 1\) [\#3380](https://github.com/nlohmann/json/pull/3380) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add clarification to avoid misunderstanding that cause \#3360 [\#3378](https://github.com/nlohmann/json/pull/3378) ([puffetto](https://github.com/puffetto))
- Fix ordered\_map ctor with initializer\_list \(fixes \#3343\) [\#3370](https://github.com/nlohmann/json/pull/3370) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Fix and update CI [\#3368](https://github.com/nlohmann/json/pull/3368) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Avoid clash with Arduino defines [\#3338](https://github.com/nlohmann/json/pull/3338) ([DarkZeros](https://github.com/DarkZeros))
- Support UBJSON-derived Binary JData \(BJData\) format [\#3336](https://github.com/nlohmann/json/pull/3336) ([fangq](https://github.com/fangq))
- Make iterator operator++/--\(int\) equality-preserving [\#3332](https://github.com/nlohmann/json/pull/3332) ([falbrechtskirchinger](https://github.com/falbrechtskirchinger))
- Add note on parsing ordered\_json [\#3326](https://github.com/nlohmann/json/pull/3326) ([nlohmann](https://github.com/nlohmann))
- Fix CITATION.cff and add automatic validation of your citation metadata [\#3320](https://github.com/nlohmann/json/pull/3320) ([fdiblen](https://github.com/fdiblen))
- .github/workflows/windows.yml: Add support for Visual Studio 2022 [\#3295](https://github.com/nlohmann/json/pull/3295) ([t-b](https://github.com/t-b))
- Add maintainer targets to create source archive [\#3289](https://github.com/nlohmann/json/pull/3289) ([nlohmann](https://github.com/nlohmann))
- Fix a typo [\#3265](https://github.com/nlohmann/json/pull/3265) ([fhuberts](https://github.com/fhuberts))
- fix \_MSC\_VER version to check for std::filesystem [\#3240](https://github.com/nlohmann/json/pull/3240) ([gcerretani](https://github.com/gcerretani))
- Add macros NLOHMANN\_DEFINE\_TYPE\_INTRUSIVE\_WITH\_DEFAULT and ...\_NON\_INTRUSIVE\_WITH\_DEFAULT [\#3143](https://github.com/nlohmann/json/pull/3143) ([pketelsen](https://github.com/pketelsen))
- Add missing erase\(first, last\) function to ordered\_map [\#3109](https://github.com/nlohmann/json/pull/3109) ([nlohmann](https://github.com/nlohmann))
- Fix typos in operator\[\] documentation [\#3102](https://github.com/nlohmann/json/pull/3102) ([axnsan12](https://github.com/axnsan12))
- Add C++17 copies of the test binaries [\#3101](https://github.com/nlohmann/json/pull/3101) ([nlohmann](https://github.com/nlohmann))
- Add examples for parsing from iterator pair [\#3100](https://github.com/nlohmann/json/pull/3100) ([nlohmann](https://github.com/nlohmann))
- Update CI [\#3088](https://github.com/nlohmann/json/pull/3088) ([nlohmann](https://github.com/nlohmann))
- to\_{binary format} does not provide a mechanism for specifying a custom allocator for the returned type. [\#2982](https://github.com/nlohmann/json/issues/2982)
- 3.10.1 zip json.hpp has version number 3.10.0 instead of 3.10.1 [\#2973](https://github.com/nlohmann/json/issues/2973)
- Assertion failure when serializing array with JSON\_DIAGNOSTICS set [\#2926](https://github.com/nlohmann/json/issues/2926)
- Set parent pointers for values inserted via update\(\) \(fixes \#3007\). [\#3008](https://github.com/nlohmann/json/pull/3008) ([AnthonyVH](https://github.com/AnthonyVH))
- Allow allocators for output\_vector\_adapter [\#2989](https://github.com/nlohmann/json/pull/2989) ([nlohmann](https://github.com/nlohmann))
- JSON\_DIAGNOSTICS assertion for ordered\_json [\#2962](https://github.com/nlohmann/json/issues/2962)
- Inserting in unordered json using a pointer retains the leading slash [\#2958](https://github.com/nlohmann/json/issues/2958)
- Test \#9: test-cbor test case sample.json fails in debug mode - Stack overflow [\#2955](https://github.com/nlohmann/json/issues/2955)
- 3.10.0 broke at least the Bear project [\#2953](https://github.com/nlohmann/json/issues/2953)
- 2 tests fail in 3.10.0: cmake\_fetch\_content\_configure, cmake\_fetch\_content\_build [\#2951](https://github.com/nlohmann/json/issues/2951)
- ctest \(58+60,/67 cmake\_import\_configure\) fails when build with -D JSON\_Install:BOOL=OFF because of missing nlohmann\_jsonTargets.cmake [\#2946](https://github.com/nlohmann/json/issues/2946)
- ASAN detects memory leaks [\#2865](https://github.com/nlohmann/json/issues/2865)
- Binary subtype field cannot represent all CBOR tags [\#2863](https://github.com/nlohmann/json/issues/2863)
- string literals possibly being parsed as another type due to the presence of only digits and full-stops [\#2852](https://github.com/nlohmann/json/issues/2852)
- json::parse\(\) works only with absolute paths [\#2851](https://github.com/nlohmann/json/issues/2851)
- Compiler Warnings on Raspberry Pi OS [\#2850](https://github.com/nlohmann/json/issues/2850)
- Braced initialization and aggregate initialization behavior is different for `json::array()` function call. [\#2848](https://github.com/nlohmann/json/issues/2848)
- 3.9.1: test suite is failing [\#2845](https://github.com/nlohmann/json/issues/2845)
- Documentation for macro JSON\_NO\_IO is missing [\#2842](https://github.com/nlohmann/json/issues/2842)
- Assertion failure when inserting into arrays with JSON\_DIAGNOSTICS set [\#2838](https://github.com/nlohmann/json/issues/2838)
- HELP! There is a memory leak in the code?! [\#2837](https://github.com/nlohmann/json/issues/2837)
- Elegant conversion of a 2-D-json array to a standard C++ array [\#2805](https://github.com/nlohmann/json/issues/2805)
- Swift Package Manager support [\#2802](https://github.com/nlohmann/json/issues/2802)
- Referencing a subkey which doesn't exist gives crash [\#2797](https://github.com/nlohmann/json/issues/2797)
- Failed benchmark due to renamed branch [\#2796](https://github.com/nlohmann/json/issues/2796)
- Build Errors with VS 2019 and json Version 3.9.1 when attempting to replicate SAX Example [\#2782](https://github.com/nlohmann/json/issues/2782)
- Value with spaces cannot be parsed [\#2781](https://github.com/nlohmann/json/issues/2781)
- .dump\(\) not allowing compact form [\#2678](https://github.com/nlohmann/json/issues/2678)
- error: no matching function for call to ‘nlohmann::basic\_json\<\>::value\(int, std::set\<int\>&\)’ [\#2671](https://github.com/nlohmann/json/issues/2671)
- Deserializing to a struct as shown on the project homepage throws compile time errors [\#2665](https://github.com/nlohmann/json/issues/2665)
- Unable to compile on MSVC 2019 with SDL checking enabled: This function or variable may be unsafe [\#2664](https://github.com/nlohmann/json/issues/2664)
- terminating with uncaught exception of type nlohmann::detail::type\_error: \[json.exception.type\_error.302\] type must be array, but is object [\#2661](https://github.com/nlohmann/json/issues/2661)
- unused-parameter on OSX when Diagnostics is off [\#2658](https://github.com/nlohmann/json/issues/2658)
- Visual Studio Visual Assist code issues reported by VA code inspection of file json.hpp [\#2615](https://github.com/nlohmann/json/issues/2615)
- Missing get function and no viable overloaded '=' on mac [\#2610](https://github.com/nlohmann/json/issues/2610)
- corruption when parse from string [\#2603](https://github.com/nlohmann/json/issues/2603)
- Parse from byte-vector results in compile error [\#2602](https://github.com/nlohmann/json/issues/2602)
- Memory leak when working on ARM Linux [\#2601](https://github.com/nlohmann/json/issues/2601)
- Unhandled exception in test-cbor.exe Stack overflow when debugging project with Visual Studio 2019 16.7.7 compiled with c++17 or c++latest [\#2598](https://github.com/nlohmann/json/issues/2598)
- Error in download\_test\_data.vcxproj when compiling with Visual Studio 2019 16.7.7 Professional msbuild on Windows 10 2004 Professional [\#2594](https://github.com/nlohmann/json/issues/2594)
- Warnings C4715 and C4127 when building json-3.9.1 with Visual Studio 2019 16.7.7 [\#2592](https://github.com/nlohmann/json/issues/2592)
- I tried some change to dump\(\) for \[1,2,3...\] [\#2584](https://github.com/nlohmann/json/issues/2584)
- try/catch block does not catch parsing error [\#2579](https://github.com/nlohmann/json/issues/2579)
- Serializing uint64\_t is broken for large values [\#2578](https://github.com/nlohmann/json/issues/2578)
- deserializing arrays should be part of the library [\#2575](https://github.com/nlohmann/json/issues/2575)
- Deserialization to std::array with non-default constructable types fails [\#2574](https://github.com/nlohmann/json/issues/2574)
- Compilation error when trying to use same type for number\_integer\_t and number\_unsigned\_t in basic\_json template specification. [\#2573](https://github.com/nlohmann/json/issues/2573)
- compiler error: directive output may be truncated writing between 2 and 8 bytes [\#2572](https://github.com/nlohmann/json/issues/2572)
- Incorrect convert map to json when key cannot construct an string i.e. int [\#2564](https://github.com/nlohmann/json/issues/2564)
- no matching function for call to ‘nlohmann::basic\_json\<\>::basic\_json\(\<brace-enclosed initializer list\>\)’ [\#2559](https://github.com/nlohmann/json/issues/2559)
- assertion on runtime causes program to stop when accessing const json with missing key [\#2392](https://github.com/nlohmann/json/issues/2392)
- Usage with -fno-elide-constructors causes dump\(\) output to be array of `null`s [\#2387](https://github.com/nlohmann/json/issues/2387)
- Build fails with clang-cl due to override of CMAKE\_CXX\_COMPILER\(?\) [\#2384](https://github.com/nlohmann/json/issues/2384)
- std::optional not working with primitive types [\#2383](https://github.com/nlohmann/json/issues/2383)
- Unexpected array when initializing a json const& on gcc 4.8.5 using uniform syntax [\#2370](https://github.com/nlohmann/json/issues/2370)
- setprecision support [\#2362](https://github.com/nlohmann/json/issues/2362)
- json::parse\(allow\_exceptions = false\) documentation is misleading. [\#2360](https://github.com/nlohmann/json/issues/2360)
- std::begin and std::end usage without specifying std namespace [\#2359](https://github.com/nlohmann/json/issues/2359)
- Custom object conversion to json hangs in background thread [\#2358](https://github.com/nlohmann/json/issues/2358)
- Add support of nullable fields to NLOHMANN\_DEFINE\_TYPE\_NON\_INTRUSIVE and NLOHMANN\_DEFINE\_TYPE\_INTRUSIVE [\#2356](https://github.com/nlohmann/json/issues/2356)
- the portfile for the vcpkg is not working. [\#2351](https://github.com/nlohmann/json/issues/2351)
- Compiler warns of implicit fallthrough when defining preprocessor macro NDEBUG [\#2348](https://github.com/nlohmann/json/issues/2348)
- Compile error on Intel compiler running in Windows [\#2346](https://github.com/nlohmann/json/issues/2346)
- Build error caused by overwriting CMAKE\_CXX\_COMPILER [\#2343](https://github.com/nlohmann/json/issues/2343)
- Error: an attribute list cannot appear here JSON\_HEDLEY\_DEPRECATED\_FOR [\#2342](https://github.com/nlohmann/json/issues/2342)
- How to get position info or parser context with custom from\_json\(\) that may throw exceptions? [\#1508](https://github.com/nlohmann/json/issues/1508)
- Suggestion to improve value\(\) accessors with respect to move semantics [\#1275](https://github.com/nlohmann/json/issues/1275)
- Add Key name to Exception [\#932](https://github.com/nlohmann/json/issues/932)
- Consistency with `using` in README.md [\#2826](https://github.com/nlohmann/json/pull/2826) ([justanotheranonymoususer](https://github.com/justanotheranonymoususer))
- Properly constrain the basic\_json conversion operator [\#2825](https://github.com/nlohmann/json/pull/2825) ([ldionne](https://github.com/ldionne))
- Fix CI [\#2817](https://github.com/nlohmann/json/pull/2817) ([nlohmann](https://github.com/nlohmann))
- Specified git branch for google benchmark fetch in benchmark test [\#2795](https://github.com/nlohmann/json/pull/2795) ([grafail](https://github.com/grafail))
- Add C++ standards to macOS matrix [\#2790](https://github.com/nlohmann/json/pull/2790) ([nlohmann](https://github.com/nlohmann))
- Update URLs to HTTPS [\#2789](https://github.com/nlohmann/json/pull/2789) ([TotalCaesar659](https://github.com/TotalCaesar659))
- Link to Conan Center package added [\#2771](https://github.com/nlohmann/json/pull/2771) ([offa](https://github.com/offa))
- Add a cmake option to use SYSTEM in target\_include\_directories [\#2762](https://github.com/nlohmann/json/pull/2762) ([jpl-mac](https://github.com/jpl-mac))
- replace EOF with std::char\_traits\<char\>::eof\(\) [\#2756](https://github.com/nlohmann/json/pull/2756) ([nlohmann](https://github.com/nlohmann))
- Fix typo in README [\#2754](https://github.com/nlohmann/json/pull/2754) ([mortenfyhn](https://github.com/mortenfyhn))
- Possibility to use without the dependency to file io and streams to use in intel sgx enclaves [\#2729](https://github.com/nlohmann/json/pull/2729) ([theShmoo](https://github.com/theShmoo))
- readme: fix tilde character display [\#2582](https://github.com/nlohmann/json/pull/2582) ([bl-ue](https://github.com/bl-ue))
- Add support for deserialization of STL containers of non-default constructable types \(fixes \#2574\). [\#2576](https://github.com/nlohmann/json/pull/2576) ([AnthonyVH](https://github.com/AnthonyVH))
- CI targets [\#2561](https://github.com/nlohmann/json/pull/2561) ([nlohmann](https://github.com/nlohmann))
- Add switch to skip non-reproducible tests. [\#2560](https://github.com/nlohmann/json/pull/2560) ([nlohmann](https://github.com/nlohmann))
- Fix compilation of input\_adapter\(container\) in edge cases [\#2553](https://github.com/nlohmann/json/pull/2553) ([jasujm](https://github.com/jasujm))
- Allow parsing from std::byte containers [\#2550](https://github.com/nlohmann/json/pull/2550) ([nlohmann](https://github.com/nlohmann))
- Travis doesn't run any tests in C++17 mode [\#2540](https://github.com/nlohmann/json/pull/2540) ([karzhenkov](https://github.com/karzhenkov))
- Doctest is updated to v2.4.3 [\#2538](https://github.com/nlohmann/json/pull/2538) ([YarikTH](https://github.com/YarikTH))
- Fix a shadowing warning [\#2536](https://github.com/nlohmann/json/pull/2536) ([nlohmann](https://github.com/nlohmann))
- Clarify license of is\_complete\_type implementation [\#2534](https://github.com/nlohmann/json/pull/2534) ([nlohmann](https://github.com/nlohmann))
- Do not unconditionally redefine C++14 constructs [\#2533](https://github.com/nlohmann/json/pull/2533) ([nlohmann](https://github.com/nlohmann))
- Doctest is updated to v2.4.1 [\#2525](https://github.com/nlohmann/json/pull/2525) ([YarikTH](https://github.com/YarikTH))
- Add MAIN\_PROJECT check for test and install options [\#2514](https://github.com/nlohmann/json/pull/2514) ([globberwops](https://github.com/globberwops))
- Ranged insert test section is added in unit-ordered\_json.cpp [\#2512](https://github.com/nlohmann/json/pull/2512) ([YarikTH](https://github.com/YarikTH))
- Add asserts to suppress C28020 [\#2447](https://github.com/nlohmann/json/pull/2447) ([jbzdarkid](https://github.com/jbzdarkid))
- Change argument name "subtype" in byte\_container\_with\_subtype [\#2444](https://github.com/nlohmann/json/pull/2444) ([linev](https://github.com/linev))
- 📝 add CPM.Cmake example [\#2406](https://github.com/nlohmann/json/pull/2406) ([leozz37](https://github.com/leozz37))
- Fix move constructor of json\_ref [\#2405](https://github.com/nlohmann/json/pull/2405) ([karzhenkov](https://github.com/karzhenkov))
- Properly select "Release" build for Travis [\#2375](https://github.com/nlohmann/json/pull/2375) ([karzhenkov](https://github.com/karzhenkov))
- Can't parse not formatted JSON. [\#2340](https://github.com/nlohmann/json/issues/2340)
- parse returns desired array contained in array when JSON text begins with square bracket on gcc 7.5.0 [\#2339](https://github.com/nlohmann/json/issues/2339)
- Unexpected deserialization difference between Mac and Linux [\#2338](https://github.com/nlohmann/json/issues/2338)
- Reading ordered\_json from file causes compile error [\#2331](https://github.com/nlohmann/json/issues/2331)
- ignore\_comment=true fails on multiple consecutive lines starting with comments [\#2330](https://github.com/nlohmann/json/issues/2330)
- Update documentation about Homebrew installation and CMake integration - Homebrew [\#2326](https://github.com/nlohmann/json/issues/2326)
- Chinese character initialize error [\#2325](https://github.com/nlohmann/json/issues/2325)
- json.update and vector\<pair\>does not work with ordered\_json [\#2315](https://github.com/nlohmann/json/issues/2315)
- Ambiguous call to overloaded function [\#2210](https://github.com/nlohmann/json/issues/2210)
- Fix a bug due to missing overloads in ordered\_map container [\#2319](https://github.com/nlohmann/json/pull/2319) ([nlohmann](https://github.com/nlohmann))
- cmake: install pkg-config file relative to current\_binary\_dir [\#2318](https://github.com/nlohmann/json/pull/2318) ([eli-schwartz](https://github.com/eli-schwartz))
- Fixed installation of pkg-config file on other than Ubuntu [\#2314](https://github.com/nlohmann/json/pull/2314) ([xvitaly](https://github.com/xvitaly))
- Add support for high-precision numbers in UBJSON encoding [\#2297](https://github.com/nlohmann/json/pull/2297) ([nlohmann](https://github.com/nlohmann))
- fix eof for get\_binary and get\_string [\#2294](https://github.com/nlohmann/json/pull/2294) ([jprochazk](https://github.com/jprochazk))
- Serialisation macros: increase upper bound on number of member variables [\#2287](https://github.com/nlohmann/json/pull/2287) ([pfeatherstone](https://github.com/pfeatherstone))
- add inline specifier for detail::combine [\#2285](https://github.com/nlohmann/json/pull/2285) ([T0b1-iOS](https://github.com/T0b1-iOS))
- Add static assertion for missing binary function in SAX interface [\#2282](https://github.com/nlohmann/json/pull/2282) ([nlohmann](https://github.com/nlohmann))
- Add test for target\_include\_directories [\#2279](https://github.com/nlohmann/json/pull/2279) ([nlohmann](https://github.com/nlohmann))
- Clean up maintainer Makefiles and fix some linter warnings [\#2274](https://github.com/nlohmann/json/pull/2274) ([nlohmann](https://github.com/nlohmann))
- Add option to ignore CBOR tags [\#2273](https://github.com/nlohmann/json/pull/2273) ([nlohmann](https://github.com/nlohmann))
- Hash function without allocation [\#2269](https://github.com/nlohmann/json/pull/2269) ([nlohmann](https://github.com/nlohmann))
- Add ClangCL for MSVC [\#2268](https://github.com/nlohmann/json/pull/2268) ([t-b](https://github.com/t-b))
- Makefile: Always use SED variable [\#2264](https://github.com/nlohmann/json/pull/2264) ([t-b](https://github.com/t-b))
- Add Xcode 12 CI [\#2262](https://github.com/nlohmann/json/pull/2262) ([nlohmann](https://github.com/nlohmann))
- Make library work with Clang on Windows [\#2259](https://github.com/nlohmann/json/pull/2259) ([nlohmann](https://github.com/nlohmann))
- Add ordered\_json specialization with ordered object keys [\#2258](https://github.com/nlohmann/json/pull/2258) ([nlohmann](https://github.com/nlohmann))
- Simple ordered\_json that works on all supported compilers [\#2206](https://github.com/nlohmann/json/pull/2206) ([gatopeich](https://github.com/gatopeich))
- Use unsigned indizies for array index in json pointer [\#2203](https://github.com/nlohmann/json/pull/2203) ([t-b](https://github.com/t-b))
- Add option to not rely on Internet connectivity during test stage [\#2202](https://github.com/nlohmann/json/pull/2202) ([nlohmann](https://github.com/nlohmann))
- Serialize floating-point numbers with 32 bit when possible \(MessagePack\) [\#2201](https://github.com/nlohmann/json/pull/2201) ([nlohmann](https://github.com/nlohmann))
- JSON library as a git submodule [\#2088](https://github.com/nlohmann/json/issues/2088)
- Apple Clang 11.0.3 on MacOS Catalina 10.15.4 not compiling [\#2087](https://github.com/nlohmann/json/issues/2087)
- Value function return empty object even if it exist [\#2086](https://github.com/nlohmann/json/issues/2086)
- Cannot debug but Run works [\#2085](https://github.com/nlohmann/json/issues/2085)
- Question about serialization. [\#2084](https://github.com/nlohmann/json/issues/2084)
- How to include in an external project [\#2083](https://github.com/nlohmann/json/issues/2083)
- Missing tests for binary values [\#2082](https://github.com/nlohmann/json/issues/2082)
- How to override default string serialization? [\#2079](https://github.com/nlohmann/json/issues/2079)
- Can't have a json type as a property in an arbitrary type [\#2078](https://github.com/nlohmann/json/issues/2078)
- New release? [\#2075](https://github.com/nlohmann/json/issues/2075)
- CMake FetchContent \> Updating the documentation? [\#2073](https://github.com/nlohmann/json/issues/2073)
- How to convert STL Vector \(of user defined type\) to Json [\#2072](https://github.com/nlohmann/json/issues/2072)
- how to make an array of objects [\#2070](https://github.com/nlohmann/json/issues/2070)
-‘\_\_int64’ was not declared [\#2068](https://github.com/nlohmann/json/issues/2068)
- \[json.exception.type\_error.317\] cannot serialize binary data to text JSON [\#2067](https://github.com/nlohmann/json/issues/2067)
- Unexpected end of input; expected '\[', '{', or a literal [\#2066](https://github.com/nlohmann/json/issues/2066)
- Json structure can be nested? [\#2065](https://github.com/nlohmann/json/issues/2065)
- Bug: returning reference to local temporary object [\#2064](https://github.com/nlohmann/json/issues/2064)
- Allow to use non strict parsing [\#2063](https://github.com/nlohmann/json/issues/2063)
- Crashing on json::at [\#2062](https://github.com/nlohmann/json/issues/2062)
- How to convert a const std::vector\<char8\_t\> message to a json, to be able to parse it and extract information from it? Can you point to any examples? [\#2058](https://github.com/nlohmann/json/issues/2058)
- json.hpp:15372:22: error: expected unqualified-id if \(not std::isfinite\(x\)\): Started getting this bug after updating my XCode [\#2056](https://github.com/nlohmann/json/issues/2056)
- Confused as how I can extract the values from the JSON object. [\#2055](https://github.com/nlohmann/json/issues/2055)
- Warnings with GCC 10 [\#2052](https://github.com/nlohmann/json/issues/2052)
- Warnings with Clang 10 [\#2049](https://github.com/nlohmann/json/issues/2049)
- Parse causing crash on android. Cannot catch. [\#2021](https://github.com/nlohmann/json/issues/2021)
- Extra backslashes in nested json [\#2020](https://github.com/nlohmann/json/issues/2020)
- How to create patch for merge\_patch input ? [\#2018](https://github.com/nlohmann/json/issues/2018)
- CppUTest/include/CppUTestExt/MockSupport.h:40: error: default argument for ‘MockFailureReporter\* failureReporterForThisCall’ has type ‘void\*’ [\#2017](https://github.com/nlohmann/json/issues/2017)
- including another file [\#2016](https://github.com/nlohmann/json/issues/2016)
- GNU PREREQ Error with gcc 9.3.0 [\#2015](https://github.com/nlohmann/json/issues/2015)
- Possible memory leak on push\_back [\#1971](https://github.com/nlohmann/json/issues/1971)
- Is it possible to get a safe mutable reference/pointer to internal variant used in nlohmann json? [\#1970](https://github.com/nlohmann/json/issues/1970)
- Getting a flatten json to map\<string, string\> [\#1957](https://github.com/nlohmann/json/issues/1957)
- forced type conversion or lexical cast without exception. [\#1955](https://github.com/nlohmann/json/issues/1955)
- Add json\_view type support to avoid excessive copying [\#1954](https://github.com/nlohmann/json/issues/1954)
- Adding "examples" section for real-life usages [\#1953](https://github.com/nlohmann/json/issues/1953)
- Size of binary json representations [\#1919](https://github.com/nlohmann/json/issues/1919)
- Accessing strings \(for example in keys or values\) without having the lib create a copy of it. [\#1916](https://github.com/nlohmann/json/issues/1916)
- operator== documentation should show how to apply custom comparison function [\#1915](https://github.com/nlohmann/json/issues/1915)
- char8\_t and std::u8string support [\#1914](https://github.com/nlohmann/json/issues/1914)
- std::is\_pod is deprecated in C++20 [\#1913](https://github.com/nlohmann/json/issues/1913)
- Incomplete types reported by \(experimental\) GCC10 [\#1912](https://github.com/nlohmann/json/issues/1912)
- Compile warnings on MSVC 14.2 [\#1911](https://github.com/nlohmann/json/issues/1911)
- How to parse json file with type composition of std::optional and std::variant [\#1910](https://github.com/nlohmann/json/issues/1910)
- why root\_schema be implemented as unique\_ptr in json-validator.cpp，could I use it as shared\_ptr? [\#1908](https://github.com/nlohmann/json/issues/1908)
- compile error in gcc-6.3.0 [\#1906](https://github.com/nlohmann/json/issues/1906)
- Scalar constexpr is odr-used when used as json initializer [\#1905](https://github.com/nlohmann/json/issues/1905)
- please improve the enum conversion documentation \(my example gist provided\) [\#1851](https://github.com/nlohmann/json/issues/1851)
- Default value returned on ValueType nlohmann::basic\_json::value \(const typename object\_t::key\_type& key, const ValueType& default\_value\) [\#1850](https://github.com/nlohmann/json/issues/1850)
- Accounting for arbitrary precision numerical literals [\#1849](https://github.com/nlohmann/json/issues/1849)
- While trying to make a simple array, I get a nested array instead [\#1848](https://github.com/nlohmann/json/issues/1848)
- How to reuse the parser and serializer intermediate storage? [\#1847](https://github.com/nlohmann/json/issues/1847)
- Too much content in json.hpp leads to slow compilation [\#1845](https://github.com/nlohmann/json/issues/1845)
- Cannot read some data in json file [\#1843](https://github.com/nlohmann/json/issues/1843)
- Assignment \(using value\(\)\) to nonexistent element behaves differently on Xcode 8 vs Xcode 10 [\#1758](https://github.com/nlohmann/json/issues/1758)
- Readme out of date [\#1756](https://github.com/nlohmann/json/issues/1756)
- cmake\_\* tests don't use the build system's compiler [\#1747](https://github.com/nlohmann/json/issues/1747)
- Static assertions for template type properties required [\#1729](https://github.com/nlohmann/json/issues/1729)
- Use float and possibly half in json::to\_cbor [\#1719](https://github.com/nlohmann/json/issues/1719)
- json::from\_cbor does not respect allow\_exceptions = false when input is string literal [\#1715](https://github.com/nlohmann/json/issues/1715)
- /Zc:\_\_cplusplus leads to C2416 [\#1695](https://github.com/nlohmann/json/issues/1695)
-`unflatten` vs objects with number-ish keys [\#1575](https://github.com/nlohmann/json/issues/1575)
- A "thinner" source code tar as part of release? [\#1572](https://github.com/nlohmann/json/issues/1572)
- Repository is almost 450MB [\#1497](https://github.com/nlohmann/json/issues/1497)
- Substantial performance penalty caused by polymorphic input adapter [\#1457](https://github.com/nlohmann/json/issues/1457)
- Move tests to a separate repo [\#1235](https://github.com/nlohmann/json/issues/1235)
- Move test blobs to a submodule? [\#732](https://github.com/nlohmann/json/issues/732)
- \[Question\] When using this as git submodule, will it clone the whole thing include test data and benchmark? [\#620](https://github.com/nlohmann/json/issues/620)
- Need to improve ignores.. [\#567](https://github.com/nlohmann/json/issues/567)
- Minimal repository \(current size very large\) [\#556](https://github.com/nlohmann/json/issues/556)
- For a header-only library you have to clone 214MB [\#482](https://github.com/nlohmann/json/issues/482)
- Update URLs to HTTPS [\#2152](https://github.com/nlohmann/json/pull/2152) ([TotalCaesar659](https://github.com/TotalCaesar659))
- Fix Issue\#1813: user defined input adapters [\#2145](https://github.com/nlohmann/json/pull/2145) ([FrancoisChabot](https://github.com/FrancoisChabot))
- Fix issue\#1939: Cast character to unsigned for comparison [\#2144](https://github.com/nlohmann/json/pull/2144) ([XyFreak](https://github.com/XyFreak))
- Fix issue\#2142: readme: fix typo in CMake FetchContent example [\#2143](https://github.com/nlohmann/json/pull/2143) ([quentin-dev](https://github.com/quentin-dev))
- Respect allow\_exceptions=false for binary formats [\#2140](https://github.com/nlohmann/json/pull/2140) ([nlohmann](https://github.com/nlohmann))
- fix error 'setw' is not a member of 'std' in Wandbox example [\#2002](https://github.com/nlohmann/json/pull/2002) ([alexandermyasnikov](https://github.com/alexandermyasnikov))
- appveyor.yml: Compile and test with latest version for \_\_cplusplus ma… [\#1958](https://github.com/nlohmann/json/pull/1958) ([t-b](https://github.com/t-b))
- Fix typo in examples [\#1956](https://github.com/nlohmann/json/pull/1956) ([dota17](https://github.com/dota17))
- Fix warning: ignoring return value [\#1871](https://github.com/nlohmann/json/pull/1871) ([sonulohani](https://github.com/sonulohani))
- docs: add central repository as conan source to readme [\#1857](https://github.com/nlohmann/json/pull/1857) ([gocarlos](https://github.com/gocarlos))
- README: Package in MSYS2 renamed to nlohmann-json [\#1853](https://github.com/nlohmann/json/pull/1853) ([podsvirov](https://github.com/podsvirov))
- Update tests that generate CMake projects to use main project's C++ compiler [\#1844](https://github.com/nlohmann/json/pull/1844) ([Tridacnid](https://github.com/Tridacnid))
- make CMake's version config file architecture-independent [\#1746](https://github.com/nlohmann/json/pull/1746) ([uhoreg](https://github.com/uhoreg))
- Add binary type support to all binary file formats, as well as an internally represented binary type [\#1662](https://github.com/nlohmann/json/pull/1662) ([OmnipotentEntity](https://github.com/OmnipotentEntity))
- strange behaviour with json\_pointer and .contains\(\) [\#1811](https://github.com/nlohmann/json/issues/1811)
- Can \#1695 be re-opened? [\#1808](https://github.com/nlohmann/json/issues/1808)
- Merge two json objects [\#1807](https://github.com/nlohmann/json/issues/1807)
- std::is\_constructible\<json, std::unordered\_map\<std::string, Data\>\> when to\_json not defined [\#1805](https://github.com/nlohmann/json/issues/1805)
- Private data on parsing [\#1802](https://github.com/nlohmann/json/issues/1802)
- Capturing Line and Position when querying [\#1800](https://github.com/nlohmann/json/issues/1800)
- json error on parsing DBL\_MAX from string [\#1796](https://github.com/nlohmann/json/issues/1796)
- De/Serialisation of vector of tupple object with nested obect need Help please [\#1794](https://github.com/nlohmann/json/issues/1794)
- Output json is corrupted [\#1793](https://github.com/nlohmann/json/issues/1793)
- variable name byte sometimes used as a \#define [\#1792](https://github.com/nlohmann/json/issues/1792)
- Problems with special German letters [\#1789](https://github.com/nlohmann/json/issues/1789)
- Support for trailing commas [\#1787](https://github.com/nlohmann/json/issues/1787)
- json\_pointer construction bug [\#1786](https://github.com/nlohmann/json/issues/1786)
- Visual Studio 2017 warning [\#1784](https://github.com/nlohmann/json/issues/1784)
- ciso646 header become obsolete [\#1782](https://github.com/nlohmann/json/issues/1782)
- Migrate LGTM.com installation from OAuth to GitHub App [\#1781](https://github.com/nlohmann/json/issues/1781)
- JSON comparison, contains and operator& [\#1778](https://github.com/nlohmann/json/issues/1778)
- pass a json object to a class contructor adds an array around the object [\#1776](https://github.com/nlohmann/json/issues/1776)
- 'Float' number\_float\_function\_t template parameter name conflicts with C '\#define Float float' [\#1775](https://github.com/nlohmann/json/issues/1775)
- A weird building problem :-\( [\#1774](https://github.com/nlohmann/json/issues/1774)
- What is this json\_ref? [\#1772](https://github.com/nlohmann/json/issues/1772)
- Interoperability with other languages [\#1770](https://github.com/nlohmann/json/issues/1770)
- Is there a reason the `get_to` method is defined in `include/nlohmann/json.hpp` but not in `single_include/nlohmann/json.hpp`? [\#1750](https://github.com/nlohmann/json/issues/1750)
- Information: My project uses this awesome library [\#1691](https://github.com/nlohmann/json/issues/1691)
- Consider listing files explicitly instead of using GLOB [\#1686](https://github.com/nlohmann/json/issues/1686)
- Failing tests on MSVC with VS2019 15.9.13 x64 [\#1685](https://github.com/nlohmann/json/issues/1685)
- Change from v2 to v3. Encoding with cp1252 [\#1680](https://github.com/nlohmann/json/issues/1680)
- How to add Fifo\_map into json using Cmake [\#1679](https://github.com/nlohmann/json/issues/1679)
- include.zip should contain meson.build [\#1672](https://github.com/nlohmann/json/issues/1672)
- \[Question\] How do I parse JSON into custom types? [\#1669](https://github.com/nlohmann/json/issues/1669)
- Binary \(0x05\) data type for BSON to JSON conversion [\#1668](https://github.com/nlohmann/json/issues/1668)
- Possible to call dump from lldb? [\#1666](https://github.com/nlohmann/json/issues/1666)
- Segmentation fault when linked with libunwind [\#1665](https://github.com/nlohmann/json/issues/1665)
- Should I include single-header after my to\_json and from\_json custom functions declaration? Why not? [\#1663](https://github.com/nlohmann/json/issues/1663)
- Errors/Warnings in VS 2019 when Including Header File [\#1659](https://github.com/nlohmann/json/issues/1659)
- Return null object from object's const operator\[\] as well. [\#1658](https://github.com/nlohmann/json/issues/1658)
- Can't stream json object in to std::basic\_stringstream\<wchar\_t\> [\#1656](https://github.com/nlohmann/json/issues/1656)
- C2440 in vs2015 cannot convert from 'initializer-list' to nlohmann::basic\_json [\#1655](https://github.com/nlohmann/json/issues/1655)
- Issues around get and pointers [\#1653](https://github.com/nlohmann/json/issues/1653)
- Fix some spelling errors - mostly in comments & documentation. [\#1803](https://github.com/nlohmann/json/pull/1803) ([flopp](https://github.com/flopp))
- Update Hedley to v11. [\#1799](https://github.com/nlohmann/json/pull/1799) ([nemequ](https://github.com/nemequ))
- iteration\_proxy: Fix integer truncation from std::size\_t to int [\#1797](https://github.com/nlohmann/json/pull/1797) ([t-b](https://github.com/t-b))
- appveyor.yml: Add MSVC 16 2019 support [\#1780](https://github.com/nlohmann/json/pull/1780) ([t-b](https://github.com/t-b))
- test/CMakeLists.txt: Use an explicit list instead of GLOB [\#1779](https://github.com/nlohmann/json/pull/1779) ([t-b](https://github.com/t-b))
- Make json\_pointer::back const \(resolves \#1764\) [\#1769](https://github.com/nlohmann/json/pull/1769) ([chris0x44](https://github.com/chris0x44))
- did you mean 'serialization'? [\#1767](https://github.com/nlohmann/json/pull/1767) ([0xflotus](https://github.com/0xflotus))
- Allow items\(\) to be used with custom string [\#1765](https://github.com/nlohmann/json/pull/1765) ([crazyjul](https://github.com/crazyjul))
- Add gcc 9 and compile with experimental C++20 support [\#1724](https://github.com/nlohmann/json/pull/1724) ([t-b](https://github.com/t-b))
- Fix int64 min issue [\#1722](https://github.com/nlohmann/json/pull/1722) ([t-b](https://github.com/t-b))
- release: add singleinclude and meson.build to include.zip [\#1694](https://github.com/nlohmann/json/pull/1694) ([eli-schwartz](https://github.com/eli-schwartz))
- How to provide function json& to\_json\(\) which is similar as 'void to\_json\(json&j, const CObject& obj\)' ? [\#1650](https://github.com/nlohmann/json/issues/1650)
- Can't throw exception when starting file is a number [\#1649](https://github.com/nlohmann/json/issues/1649)
- to\_json / from\_json with nested type [\#1648](https://github.com/nlohmann/json/issues/1648)
- How to create a json object from a std::string, created by j.dump? [\#1645](https://github.com/nlohmann/json/issues/1645)
- Problem getting vector \(array\) of strings [\#1644](https://github.com/nlohmann/json/issues/1644)
- json.hpp compilation issue with other typedefs with same name [\#1642](https://github.com/nlohmann/json/issues/1642)
- nlohmann::adl\_serializer\<T,void\>::to\_json no matching overloaded function found [\#1641](https://github.com/nlohmann/json/issues/1641)
- overwrite adl\_serializer\<bool, void\> to change behaviour [\#1638](https://github.com/nlohmann/json/issues/1638)
- Add json type as value [\#1636](https://github.com/nlohmann/json/issues/1636)
- Unit conversion test error: conversion from 'nlohmann::json' to non-scalar type 'std::string\_view' requested [\#1634](https://github.com/nlohmann/json/issues/1634)
- nlohmann VS JsonCpp by C++17 [\#1633](https://github.com/nlohmann/json/issues/1633)
- To integrate an inline helper function that return type name as string [\#1632](https://github.com/nlohmann/json/issues/1632)
- Return JSON as reference [\#1631](https://github.com/nlohmann/json/issues/1631)
- Updating from an older version causes problems with assing a json object to a struct [\#1630](https://github.com/nlohmann/json/issues/1630)
- Can without default constructor function for user defined classes when only to\_json is needed? [\#1629](https://github.com/nlohmann/json/issues/1629)
- Compilation fails with clang 6.x-8.x in C++14 mode [\#1628](https://github.com/nlohmann/json/issues/1628)
- Treating floating point as string [\#1627](https://github.com/nlohmann/json/issues/1627)
- error parsing character å [\#1626](https://github.com/nlohmann/json/issues/1626)
- \[Help\] How to Improve Json Output Performance with Large Json Arrays [\#1624](https://github.com/nlohmann/json/issues/1624)
- Suggested link changes for reporting new issues \[blob/develop/REAME.md and blob/develop/.github/CONTRIBUTING.md\] [\#1623](https://github.com/nlohmann/json/issues/1623)
- Broken link to issue template in CONTRIBUTING.md [\#1622](https://github.com/nlohmann/json/issues/1622)
- Missing word in README.md file [\#1621](https://github.com/nlohmann/json/issues/1621)
- Package manager instructions in README for brew is incorrect [\#1620](https://github.com/nlohmann/json/issues/1620)
- Building with Visual Studio 2019 [\#1619](https://github.com/nlohmann/json/issues/1619)
- Precedence of to\_json and builtin harmful [\#1617](https://github.com/nlohmann/json/issues/1617)
- The type json is missing from the html documentation [\#1616](https://github.com/nlohmann/json/issues/1616)
- variant is not support in Release 3.6.1? [\#1615](https://github.com/nlohmann/json/issues/1615)
- Replace assert with throw for const operator\[\] [\#1614](https://github.com/nlohmann/json/issues/1614)
- Memory Overhead is Too High \(10x or more\) [\#1613](https://github.com/nlohmann/json/issues/1613)
- program crash everytime, when other data type incomming in json stream as expected [\#1612](https://github.com/nlohmann/json/issues/1612)
- Improved Enum Support [\#1611](https://github.com/nlohmann/json/issues/1611)
- is it possible convert json object back to stl container ? [\#1610](https://github.com/nlohmann/json/issues/1610)
- Add C++17-like emplace.back\(\) for arrays. [\#1609](https://github.com/nlohmann/json/issues/1609)
- is\_nothrow\_copy\_constructible fails for json::const\_iterator on MSVC2015 x86 Debug build [\#1608](https://github.com/nlohmann/json/issues/1608)
- Reading and writing array elements [\#1607](https://github.com/nlohmann/json/issues/1607)
- Converting json::value to int [\#1605](https://github.com/nlohmann/json/issues/1605)
- I have a vector of keys and and a string of value and i want to create nested json array [\#1604](https://github.com/nlohmann/json/issues/1604)
- In compatible JSON object from nlohmann::json to nohman::json - unexpected end of input; expected '\[', '{', or a literal [\#1603](https://github.com/nlohmann/json/issues/1603)
- json parser crash if having a large number integer in message [\#1602](https://github.com/nlohmann/json/issues/1602)
- Value method with undocumented throwing 302 exception [\#1601](https://github.com/nlohmann/json/issues/1601)
- Accessing value with json pointer adds key if not existing [\#1600](https://github.com/nlohmann/json/issues/1600)
- README.md broken link to project documentation [\#1597](https://github.com/nlohmann/json/issues/1597)
- Random Kudos: Thanks for your work on this! [\#1596](https://github.com/nlohmann/json/issues/1596)
- json::parse return value and errors [\#1595](https://github.com/nlohmann/json/issues/1595)
- initializer list constructor makes curly brace initialization fragile [\#1594](https://github.com/nlohmann/json/issues/1594)
- trying to log message for missing keyword, difference between \["foo"\] and at\("foo"\) [\#1593](https://github.com/nlohmann/json/issues/1593)
- I have a C structure which I need to convert to a JSON. How do I do it? Haven't found proper examples so far. [\#1591](https://github.com/nlohmann/json/issues/1591)
- dump\_escaped possible error ? [\#1589](https://github.com/nlohmann/json/issues/1589)
- json::parse\(\) into a vector\<string\> results in unhandled exception [\#1587](https://github.com/nlohmann/json/issues/1587)
- push\_back\(\)/emplace\_back\(\) on array invalidates pointers to existing array items [\#1586](https://github.com/nlohmann/json/issues/1586)
- Getting nlohmann::detail::parse\_error on JSON generated by nlohmann::json not sure why [\#1583](https://github.com/nlohmann/json/issues/1583)
- getting error terminate called after throwing an instance of 'std::domain\_error' what\(\): cannot use at\(\) with string [\#1582](https://github.com/nlohmann/json/issues/1582)
- how i create json file [\#1581](https://github.com/nlohmann/json/issues/1581)
- prevent rounding of double datatype values [\#1580](https://github.com/nlohmann/json/issues/1580)
- Reading a JSON file into an object [\#1537](https://github.com/nlohmann/json/issues/1537)
- Releases 3.6.0 and 3.6.1 don't build on conda / windows [\#1536](https://github.com/nlohmann/json/issues/1536)
- \[Clang\] warning: use of the 'nodiscard' attribute is a C++17 extension \[-Wc++17-extensions\] [\#1535](https://github.com/nlohmann/json/issues/1535)
- wchar\_t/std::wstring json can be created but not accessed [\#1533](https://github.com/nlohmann/json/issues/1533)
- Fix json.hpp compilation issue with other typedefs with same name \(Issue \#1642\) [\#1643](https://github.com/nlohmann/json/pull/1643) ([kevinlul](https://github.com/kevinlul))
- Add explicit conversion from json to std::string\_view in conversion unit test [\#1639](https://github.com/nlohmann/json/pull/1639) ([taylorhoward92](https://github.com/taylorhoward92))
- Minor fixes in docs [\#1625](https://github.com/nlohmann/json/pull/1625) ([nickaein](https://github.com/nickaein))
- Fix broken links to documentation [\#1598](https://github.com/nlohmann/json/pull/1598) ([nickaein](https://github.com/nickaein))
- Added to\_string and added basic tests [\#1585](https://github.com/nlohmann/json/pull/1585) ([Macr0Nerd](https://github.com/Macr0Nerd))
- Regression tests for MSVC [\#1570](https://github.com/nlohmann/json/pull/1570) ([nickaein](https://github.com/nickaein))
- Some Help please [\#1478](https://github.com/nlohmann/json/issues/1478)
- Global variables are stored within the JSON file, how do I declare them as global variables when I read them out in my C++ program? [\#1476](https://github.com/nlohmann/json/issues/1476)
- Unable to modify one of the values within the JSON file, and save it [\#1475](https://github.com/nlohmann/json/issues/1475)
- Documentation of parse function has two identical @pre causes [\#1473](https://github.com/nlohmann/json/issues/1473)
- If a string has too many invalid UTF-8 characters, json::dump attempts to index an array out of bounds. [\#1445](https://github.com/nlohmann/json/issues/1445)
- Setting values of .JSON file [\#1444](https://github.com/nlohmann/json/issues/1444)
- alias object\_t::key\_type in basic\_json [\#1442](https://github.com/nlohmann/json/issues/1442)
- Latest Ubuntu package is 2.1.1 [\#1438](https://github.com/nlohmann/json/issues/1438)
- lexer.hpp\(1363\) '\_snprintf': is not a member | Visualstudio 2017 [\#1437](https://github.com/nlohmann/json/issues/1437)
- EOS compilation produces "fatal error: 'nlohmann/json.hpp' file not found" [\#1432](https://github.com/nlohmann/json/issues/1432)
- Support for bad commas [\#1429](https://github.com/nlohmann/json/issues/1429)
- Please have one base exception class for all json exceptions [\#1427](https://github.com/nlohmann/json/issues/1427)
- Compilation warning: 'tuple\_size' defined as a class template here but previously declared as a struct template [\#1426](https://github.com/nlohmann/json/issues/1426)
- Which version can be used with GCC 4.8.2 ? [\#1424](https://github.com/nlohmann/json/issues/1424)
- Ignore nullptr values on constructing json object from a container [\#1422](https://github.com/nlohmann/json/issues/1422)
- Support for custom float precision via unquoted strings [\#1421](https://github.com/nlohmann/json/issues/1421)
- It is possible to call `json::find` with a json\_pointer as argument. This causes runtime UB/crash. [\#1418](https://github.com/nlohmann/json/issues/1418)
- sorry this is not an issue, just a Question, How to change a key value in a file and save it ? [\#1398](https://github.com/nlohmann/json/issues/1398)
- appveyor x64 builds appear to be using Win32 toolset [\#1374](https://github.com/nlohmann/json/issues/1374)
- Serializing/Deserializing a Class containing a vector of itself [\#1373](https://github.com/nlohmann/json/issues/1373)
- Add operator/= and operator/ to construct a JSON pointer by appending two JSON pointers [\#1469](https://github.com/nlohmann/json/pull/1469) ([garethsb](https://github.com/garethsb))
- Disable installation when used as meson subproject. \#1463 [\#1464](https://github.com/nlohmann/json/pull/1464) ([elvisoric](https://github.com/elvisoric))
- remove extra semicolon from readme [\#1451](https://github.com/nlohmann/json/pull/1451) ([Afforix](https://github.com/Afforix))
- attempt to fix \#1445, flush buffer in serializer::dump\_escaped in UTF8\_REJECT case. [\#1446](https://github.com/nlohmann/json/pull/1446) ([scinart](https://github.com/scinart))
- Use C++11 features supported by CMake 3.1. [\#1441](https://github.com/nlohmann/json/pull/1441) ([iwanders](https://github.com/iwanders))
- allow push\_back\(\) and pop\_back\(\) calls on json\_pointer [\#1434](https://github.com/nlohmann/json/pull/1434) ([pboettch](https://github.com/pboettch))
- Add instructions about using nlohmann/json with the conda package manager [\#1430](https://github.com/nlohmann/json/pull/1430) ([nicoddemus](https://github.com/nicoddemus))
- buildsystem: relax requirement on cmake version [\#1409](https://github.com/nlohmann/json/pull/1409) ([yann-morin-1998](https://github.com/yann-morin-1998))
- CMake: Optional Install if Embedded [\#1330](https://github.com/nlohmann/json/pull/1330) ([ax3l](https://github.com/ax3l))
- expansion pattern 'CompatibleObjectType' contains no argument packs, with CUDA 10 [\#1347](https://github.com/nlohmann/json/issues/1347)
- Unable to update a value for a nested\(multi-level\) json file [\#1344](https://github.com/nlohmann/json/issues/1344)
- Fails to compile when std::iterator\_traits is not SFINAE friendly. [\#1341](https://github.com/nlohmann/json/issues/1341)
- EOF flag not set on exhausted input streams. [\#1340](https://github.com/nlohmann/json/issues/1340)
- Shadowed Member in merge\_patch [\#1339](https://github.com/nlohmann/json/issues/1339)
- Periods/literal dots in keys? [\#1338](https://github.com/nlohmann/json/issues/1338)
- Protect macro expansion of commonly defined macros [\#1337](https://github.com/nlohmann/json/issues/1337)
- How to validate an input before parsing? [\#1336](https://github.com/nlohmann/json/issues/1336)
- Non-verifying dump\(\) alternative for debugging/logging needed [\#1335](https://github.com/nlohmann/json/issues/1335)
- Json Libarary is not responding for me in c++ [\#1332](https://github.com/nlohmann/json/issues/1332)
- Question - how to find an object in an array [\#1331](https://github.com/nlohmann/json/issues/1331)
- Nesting additional data in json object [\#1328](https://github.com/nlohmann/json/issues/1328)
- can to\_json\(\) be defined inside a class? [\#1324](https://github.com/nlohmann/json/issues/1324)
- CodeBlocks IDE can't find `json.hpp` header [\#1318](https://github.com/nlohmann/json/issues/1318)
- Change json\_pointer to provide an iterator begin/end/etc, don't use vectors, and also enable string\_view [\#1312](https://github.com/nlohmann/json/issues/1312)
- Xcode - adding it to library [\#1300](https://github.com/nlohmann/json/issues/1300)
- unicode: char16\_t\* is compiler error, but char16\_t\[\] is accepted [\#1297](https://github.com/nlohmann/json/issues/1297)
- Dockerfile Project Help Needed [\#1296](https://github.com/nlohmann/json/issues/1296)
- Comparisons between large unsigned and negative signed integers [\#1295](https://github.com/nlohmann/json/issues/1295)
- CMake alias to `nlohmann::json` [\#1291](https://github.com/nlohmann/json/issues/1291)
- Release zips without tests [\#1285](https://github.com/nlohmann/json/issues/1285)
- separate object\_t::key\_type from basic\_json::key\_type, and use an allocator which returns object\_t::key\_type [\#1274](https://github.com/nlohmann/json/issues/1274)
- Is there a nice way to associate external values with json elements? [\#1256](https://github.com/nlohmann/json/issues/1256)
- Delete by json\_pointer [\#1248](https://github.com/nlohmann/json/issues/1248)
- Expose lexer, as a StAX parser [\#1219](https://github.com/nlohmann/json/issues/1219)
- Subclassing json\(\) & error on recursive load [\#1201](https://github.com/nlohmann/json/issues/1201)
- Check value for existence by json\_pointer [\#1194](https://github.com/nlohmann/json/issues/1194)
- Add a SFINAE friendly iterator\_traits and use that instead. [\#1342](https://github.com/nlohmann/json/pull/1342) ([dgavedissian](https://github.com/dgavedissian))
- Properly convert constants to CharType [\#1315](https://github.com/nlohmann/json/pull/1315) ([nlohmann](https://github.com/nlohmann))
- Allow to set error handler for decoding errors [\#1314](https://github.com/nlohmann/json/pull/1314) ([nlohmann](https://github.com/nlohmann))
- Add Meson related info to README [\#1305](https://github.com/nlohmann/json/pull/1305) ([koponomarenko](https://github.com/koponomarenko))
- Improve diagnostic messages for binary formats [\#1303](https://github.com/nlohmann/json/pull/1303) ([nlohmann](https://github.com/nlohmann))
- add new is\_constructible\_\* traits used in from\_json [\#1301](https://github.com/nlohmann/json/pull/1301) ([theodelrieu](https://github.com/theodelrieu))
- add constraints for variadic json\_ref constructors [\#1294](https://github.com/nlohmann/json/pull/1294) ([theodelrieu](https://github.com/theodelrieu))
- When key is not found print the key name into error too [\#1273](https://github.com/nlohmann/json/issues/1273)
- Visual Studio 2017 15.8.5 "conditional expression is constant" warning on Line 1851 in json.hpp [\#1268](https://github.com/nlohmann/json/issues/1268)
- how can we get this working on WSL? [\#1264](https://github.com/nlohmann/json/issues/1264)
- Help needed [\#1259](https://github.com/nlohmann/json/issues/1259)
- A way to get to a JSON values "key" [\#1258](https://github.com/nlohmann/json/issues/1258)
- Maps with enum class keys which are convertible to JSON strings should be converted to JSON dictionaries [\#1217](https://github.com/nlohmann/json/issues/1217)
- Adding JSON Array to the Array [\#1216](https://github.com/nlohmann/json/issues/1216)
- Best way to output a vector of a given type to json [\#1215](https://github.com/nlohmann/json/issues/1215)
- compiler warning: double definition of macro JSON\_INTERNAL\_CATCH [\#1213](https://github.com/nlohmann/json/issues/1213)
- Compilation error when using MOCK\_METHOD1 from GMock and nlohmann::json [\#1212](https://github.com/nlohmann/json/issues/1212)
- Issues parsing a previously encoded binary \(non-UTF8\) string. [\#1211](https://github.com/nlohmann/json/issues/1211)
- Yet another ordering question: char \* and parse\(\) [\#1209](https://github.com/nlohmann/json/issues/1209)
- Error using gcc 8.1.0 on Ubuntu 14.04 [\#1207](https://github.com/nlohmann/json/issues/1207)
- "type must be string, but is " std::string\(j.type\_name\(\) [\#1206](https://github.com/nlohmann/json/issues/1206)
- Returning empty json object from a function of type const json& ? [\#1205](https://github.com/nlohmann/json/issues/1205)
- VS2017 compiler suggests using constexpr if [\#1204](https://github.com/nlohmann/json/issues/1204)
- Template instatiation error on compiling [\#1203](https://github.com/nlohmann/json/issues/1203)
- BUG - json dump field with unicode -\> array of ints \(instead of string\) [\#1197](https://github.com/nlohmann/json/issues/1197)
- Fix warning C4127: conditional expression is constant [\#1272](https://github.com/nlohmann/json/pull/1272) ([antonioborondo](https://github.com/antonioborondo))
- Turn off additional deprecation warnings for GCC. [\#1271](https://github.com/nlohmann/json/pull/1271) ([chuckatkins](https://github.com/chuckatkins))
- Add version and license to meson.build [\#1252](https://github.com/nlohmann/json/pull/1252) ([koponomarenko](https://github.com/koponomarenko))
- \#1179 Reordered the code. It seems to stop clang 3.4.2 in RHEL 7 from crash… [\#1249](https://github.com/nlohmann/json/pull/1249) ([LEgregius](https://github.com/LEgregius))
- Use a version check to provide backwards comatible CMake imported target names [\#1245](https://github.com/nlohmann/json/pull/1245) ([chuckatkins](https://github.com/chuckatkins))
- Export package to allow builds without installing [\#1202](https://github.com/nlohmann/json/pull/1202) ([dennisfischer](https://github.com/dennisfischer))
- Is it possible to dump a two-dimensional array to "\[\[null\],\[1,2,3\]\]"? [\#1146](https://github.com/nlohmann/json/issues/1146)
- Want to write a class member variable and a struct variable \( this structure is inside the class\) to the json file [\#1145](https://github.com/nlohmann/json/issues/1145)
- Does json support converting an instance of a struct into json string? [\#1143](https://github.com/nlohmann/json/issues/1143)
- \#Most efficient way to search for child parameters \(recursive find?\) [\#1141](https://github.com/nlohmann/json/issues/1141)
- could not find to\_json\(\) method in T's namespace [\#1140](https://github.com/nlohmann/json/issues/1140)
- chars get treated as JSON numbers not JSON strings [\#1139](https://github.com/nlohmann/json/issues/1139)
- How do I count number of objects in array? [\#1137](https://github.com/nlohmann/json/issues/1137)
- Serializing a vector of classes? [\#1136](https://github.com/nlohmann/json/issues/1136)
- Compile error. Unable convert form nullptr to nullptr&& [\#1135](https://github.com/nlohmann/json/issues/1135)
- std::unordered\_map in struct, serialization [\#1133](https://github.com/nlohmann/json/issues/1133)
- Valid json data not being parsed [\#1075](https://github.com/nlohmann/json/issues/1075)
- Feature request :: Better testing for key existance without try/catch [\#1074](https://github.com/nlohmann/json/issues/1074)
- Hi, I have input like a.b.c and want to convert it to \"a\"{\"b\": \"c\"} form. Any suggestions how do I do this? Thanks. [\#1073](https://github.com/nlohmann/json/issues/1073)
- ADL deserializer not picked up for non default-constructible type [\#1072](https://github.com/nlohmann/json/issues/1072)
- convert json value to std::string??? [\#1061](https://github.com/nlohmann/json/issues/1061)
- Commented out test cases, should they be removed? [\#1060](https://github.com/nlohmann/json/issues/1060)
- different behaviour between clang and gcc with braced initialization [\#1059](https://github.com/nlohmann/json/issues/1059)
- json array: initialize with prescribed size and `resize` method. [\#1057](https://github.com/nlohmann/json/issues/1057)
- Is it possible to use exceptions istead of assertions? [\#1056](https://github.com/nlohmann/json/issues/1056)
- when using assign operator in with json object a static assertion fails.. [\#1055](https://github.com/nlohmann/json/issues/1055)
- Iterate over leafs of a JSON data structure: enrich the JSON pointer API [\#1054](https://github.com/nlohmann/json/issues/1054)
- \[Feature request\] Access by path [\#1053](https://github.com/nlohmann/json/issues/1053)
- document that implicit js -\> primitive conversion does not work for std::string::value\_type and why [\#1052](https://github.com/nlohmann/json/issues/1052)
- error: ‘BasicJsonType’ in namespace ‘::’ does not name a type [\#1051](https://github.com/nlohmann/json/issues/1051)
- Destructor is called when filling object through assignement [\#1050](https://github.com/nlohmann/json/issues/1050)
- Is this thing thread safe for reads? [\#1049](https://github.com/nlohmann/json/issues/1049)
- clang-tidy: Call to virtual function during construction [\#1046](https://github.com/nlohmann/json/issues/1046)
- Using STL algorithms with JSON containers with expected results? [\#1045](https://github.com/nlohmann/json/issues/1045)
- Usage with gtest/gmock not working as expected [\#1044](https://github.com/nlohmann/json/issues/1044)
- Consequences of from\_json / to\_json being in namespace of data struct. [\#1042](https://github.com/nlohmann/json/issues/1042)
- Fix -Wno-sometimes-uninitialized by initializing "result" in parse\_sax [\#1200](https://github.com/nlohmann/json/pull/1200) ([thyu](https://github.com/thyu))
- \[RFC\] Introduce a new macro function: JSON\_INTERNAL\_CATCH [\#1187](https://github.com/nlohmann/json/pull/1187) ([simnalamburt](https://github.com/simnalamburt))
- Fix unit tests that were silently skipped or crashed \(depending on the compiler\) [\#1176](https://github.com/nlohmann/json/pull/1176) ([grembo](https://github.com/grembo))
- CMake: 3.8+ is Sufficient [\#1040](https://github.com/nlohmann/json/pull/1040) ([ax3l](https://github.com/ax3l))
- Added support for string\_view in C++17 [\#1028](https://github.com/nlohmann/json/pull/1028) ([gracicot](https://github.com/gracicot))
- Added public target\_compile\_features for auto and constexpr [\#1026](https://github.com/nlohmann/json/pull/1026) ([ktonon](https://github.com/ktonon))
- Allowing for user-defined string type in lexer/parser [\#1009](https://github.com/nlohmann/json/pull/1009) ([nlohmann](https://github.com/nlohmann))
- dump to alternative string type, as defined in basic\_json template [\#1006](https://github.com/nlohmann/json/pull/1006) ([agrianius](https://github.com/agrianius))
- Fix memory leak during parser callback [\#1001](https://github.com/nlohmann/json/pull/1001) ([nlohmann](https://github.com/nlohmann))
- fixed misprinted condition detected by PVS Studio. [\#992](https://github.com/nlohmann/json/pull/992) ([bogemic](https://github.com/bogemic))
- std::map\<std::string, std::string\> from json object yields C2665: 'std::pair\<const \_Kty,\_Ty\>::pair': none of the 2 overloads could convert all the argument types [\#827](https://github.com/nlohmann/json/issues/827)
- object.dump gives quoted string, want to use .dump\(\) to generate javascripts. [\#826](https://github.com/nlohmann/json/issues/826)
- Assertion failed on \["NoExistKey"\] of an not existing key of const json& [\#825](https://github.com/nlohmann/json/issues/825)
- vs2015 error : static member will remain uninitialized at runtime but use in constant-expressions is supported [\#824](https://github.com/nlohmann/json/issues/824)
- Code Checking Warnings from json.hpp on VS2017 Community [\#821](https://github.com/nlohmann/json/issues/821)
- Missing iostream in try online [\#820](https://github.com/nlohmann/json/issues/820)
- Floating point value loses decimal point during dump [\#818](https://github.com/nlohmann/json/issues/818)
- Conan package for the library [\#817](https://github.com/nlohmann/json/issues/817)
- Proposal: out\_of\_range should be a subclass of std::out\_of\_range [\#756](https://github.com/nlohmann/json/issues/756)
- Getter is setting the value to null if the key does not exist [\#754](https://github.com/nlohmann/json/issues/754)
- parsing works sometimes and crashes others [\#752](https://github.com/nlohmann/json/issues/752)
- Static\_assert failed "incompatible pointer type" with Xcode [\#751](https://github.com/nlohmann/json/issues/751)
- user-defined literal operator not found [\#750](https://github.com/nlohmann/json/issues/750)
- getting clean string from it.key\(\) [\#748](https://github.com/nlohmann/json/issues/748)
- Best method for exploring and obtaining values of nested json objects when the names are not known beforehand? [\#747](https://github.com/nlohmann/json/issues/747)
- null char at the end of string [\#746](https://github.com/nlohmann/json/issues/746)
- Incorrect sample for operator \>\> in docs [\#745](https://github.com/nlohmann/json/issues/745)
- \[-Wdeprecated-declarations\] in row `j >> ss;` in file `json.hpp:7405:26` and FAILED unit tests with MinGWx64! [\#616](https://github.com/nlohmann/json/issues/616)
- NaN to json and back [\#515](https://github.com/nlohmann/json/issues/515)
- Comparison of NaN [\#514](https://github.com/nlohmann/json/issues/514)
- why it's not possible to serialize c++11 enums directly [\#513](https://github.com/nlohmann/json/issues/513)
- clang compile error: use of overloaded operator '\<=' is ambiguous with \(nlohmann::json{{"a", 5}}\)\["a"\] \<= 10 [\#512](https://github.com/nlohmann/json/issues/512)
- Why not also look inside the type for \(static\) to\_json and from\_json funtions? [\#511](https://github.com/nlohmann/json/issues/511)
- :boom: throwing an exception in case dump encounters a non-UTF-8 string \#838 [\#870](https://github.com/nlohmann/json/pull/870) ([nlohmann](https://github.com/nlohmann))
- cmake: use BUILD\_INTERFACE/INSTALL\_INTERFACE [\#855](https://github.com/nlohmann/json/pull/855) ([theodelrieu](https://github.com/theodelrieu))
- to/from\_json: add a MSVC-specific static\_assert to force a stacktrace [\#854](https://github.com/nlohmann/json/pull/854) ([theodelrieu](https://github.com/theodelrieu))
- Add .natvis for MSVC debug view [\#844](https://github.com/nlohmann/json/pull/844) ([TinyTinni](https://github.com/TinyTinni))
- add forwarding references to json\_ref constructor [\#807](https://github.com/nlohmann/json/pull/807) ([theodelrieu](https://github.com/theodelrieu))
- Add transparent comparator and perfect forwarding support to find\(\) and count\(\) [\#795](https://github.com/nlohmann/json/pull/795) ([jseward](https://github.com/jseward))
- Error : 'identifier "size\_t" is undefined' in linux [\#793](https://github.com/nlohmann/json/pull/793) ([sonulohani](https://github.com/sonulohani))
- Fix Visual Studio 2017 warnings [\#788](https://github.com/nlohmann/json/pull/788) ([jseward](https://github.com/jseward))
- Fix warning C4706 on Visual Studio 2017 [\#785](https://github.com/nlohmann/json/pull/785) ([jseward](https://github.com/jseward))
- Set GENERATE\_TAGFILE in Doxyfile [\#783](https://github.com/nlohmann/json/pull/783) ([eld00d](https://github.com/eld00d))
- using more CMake [\#765](https://github.com/nlohmann/json/pull/765) ([nlohmann](https://github.com/nlohmann))
- Fix "not constraint" grammar in docs [\#674](https://github.com/nlohmann/json/pull/674) ([wincent](https://github.com/wincent))
- Add documentation for integration with CMake and hunter [\#671](https://github.com/nlohmann/json/pull/671) ([dan-42](https://github.com/dan-42))
- REFACTOR: rewrite CMakeLists.txt for better inlcude and reuse [\#669](https://github.com/nlohmann/json/pull/669) ([dan-42](https://github.com/dan-42))
- enable\_testing only if the JSON\_BuildTests is ON [\#666](https://github.com/nlohmann/json/pull/666) ([effolkronium](https://github.com/effolkronium))
- Support moving from rvalues in std::initializer\_list [\#663](https://github.com/nlohmann/json/pull/663) ([himikof](https://github.com/himikof))
- add ensure\_ascii parameter to dump. \#330 [\#654](https://github.com/nlohmann/json/pull/654) ([ryanjmulder](https://github.com/ryanjmulder))
- Rename BuildTests to JSON\_BuildTests [\#652](https://github.com/nlohmann/json/pull/652) ([olegendo](https://github.com/olegendo))
- Don't include \<iostream\>, use std::make\_shared [\#650](https://github.com/nlohmann/json/pull/650) ([olegendo](https://github.com/olegendo))
- \#550 Fix iterator related compiling issues for Intel icc [\#598](https://github.com/nlohmann/json/pull/598) ([HenryRLee](https://github.com/HenryRLee))
- Issue \#593 Fix the arithmetic operators in the iterator and reverse iterator [\#595](https://github.com/nlohmann/json/pull/595) ([HenryRLee](https://github.com/HenryRLee))
- fix doxygen error of basic\_json::get\(\) [\#583](https://github.com/nlohmann/json/pull/583) ([zhaohuaxishi](https://github.com/zhaohuaxishi))
- Fixing assignement for iterator wrapper second, and adding unit test [\#579](https://github.com/nlohmann/json/pull/579) ([Type1J](https://github.com/Type1J))
- Adding first and second properties to iteration\_proxy\_internal [\#578](https://github.com/nlohmann/json/pull/578) ([Type1J](https://github.com/Type1J))
- Adding support for Meson. [\#576](https://github.com/nlohmann/json/pull/576) ([Type1J](https://github.com/Type1J))
- add enum class default conversions [\#545](https://github.com/nlohmann/json/pull/545) ([theodelrieu](https://github.com/theodelrieu))
- Properly pop diagnostics [\#540](https://github.com/nlohmann/json/pull/540) ([tinloaf](https://github.com/tinloaf))
- Add Visual Studio 17 image to appveyor build matrix [\#536](https://github.com/nlohmann/json/pull/536) ([vpetrigo](https://github.com/vpetrigo))
- Speedup CI builds using cotire [\#461](https://github.com/nlohmann/json/pull/461) ([tusharpm](https://github.com/tusharpm))
- TurpentineDistillery feature/locale independent str to num [\#450](https://github.com/nlohmann/json/pull/450) ([nlohmann](https://github.com/nlohmann))
- README: adjust boost::optional example [\#439](https://github.com/nlohmann/json/pull/439) ([jaredgrubb](https://github.com/jaredgrubb))
- fix \#414 - comparing to 0 literal [\#415](https://github.com/nlohmann/json/pull/415) ([stanmihai4](https://github.com/stanmihai4))
- Replace class iterator and const\_iterator by using a single template class to reduce code. [\#395](https://github.com/nlohmann/json/pull/395) ([Bosswestfalen](https://github.com/Bosswestfalen))
- Clang: quiet a warning [\#391](https://github.com/nlohmann/json/pull/391) ([jaredgrubb](https://github.com/jaredgrubb))
- Fix issue \#380: Signed integer overflow check [\#390](https://github.com/nlohmann/json/pull/390) ([qwename](https://github.com/qwename))
- hexify\(\) function emits conversion warning [\#270](https://github.com/nlohmann/json/issues/270)
- let the makefile choose the correct sed [\#279](https://github.com/nlohmann/json/pull/279) ([murinicanor](https://github.com/murinicanor))
- Update hexify to use array lookup instead of ternary \(\#270\) [\#275](https://github.com/nlohmann/json/pull/275) ([dtoma](https://github.com/dtoma))
- .get\<std::string\>\(\) works for non spaced string but returns as array for spaced/longer strings [\#236](https://github.com/nlohmann/json/issues/236)
- In basic\_json::basic\_json\(const CompatibleArrayType& val\), the requirement of CompatibleArrayType is not strict enough. [\#174](https://github.com/nlohmann/json/issues/174)
- Out of tree builds and a few other miscellaneous CMake cleanups. [\#242](https://github.com/nlohmann/json/pull/242) ([ChrisKitching](https://github.com/ChrisKitching))
- replaced ssize\_t occurrences with auto \(addresses \#204\) [\#205](https://github.com/nlohmann/json/pull/205) ([nlohmann](https://github.com/nlohmann))
- Fixed issue \#199 - Small bugs in json.hpp \(get\_number\) and unit.cpp \(non-standard integer type test\) [\#200](https://github.com/nlohmann/json/pull/200) ([twelsby](https://github.com/twelsby))
- Issue \#195 - update Travis to Trusty due to gcc/clang strtod\(\) bug [\#196](https://github.com/nlohmann/json/pull/196) ([twelsby](https://github.com/twelsby))
- Issue \#178 - Extending support to full uint64\_t/int64\_t range and unsigned type \(updated\) [\#193](https://github.com/nlohmann/json/pull/193) ([twelsby](https://github.com/twelsby))
- Consider submitting this to the Boost Library Incubator [\#66](https://github.com/nlohmann/json/issues/66)
- Fixed Issue \#186 - add strto\(f|d|ld\) overload wrappers, "-0.0" special case and FP trailing zero [\#191](https://github.com/nlohmann/json/pull/191) ([twelsby](https://github.com/twelsby))
- Issue \#185 - remove approx\(\) and use \#pragma to kill warnings [\#190](https://github.com/nlohmann/json/pull/190) ([twelsby](https://github.com/twelsby))
- Fixed Issue \#171 - added two extra template overloads of operator\[\] for T\* arguments [\#189](https://github.com/nlohmann/json/pull/189) ([twelsby](https://github.com/twelsby))
- add key name to exception [\#160](https://github.com/nlohmann/json/issues/160)
- Getting member discarding qualifyer [\#159](https://github.com/nlohmann/json/issues/159)
- basic\_json::iterator::value\(\) output includes quotes while basic\_json::iterator::key\(\) doesn't [\#158](https://github.com/nlohmann/json/issues/158)
- Unable to compile on MSVC 2015 with SDL checking enabled: This function or variable may be unsafe. [\#149](https://github.com/nlohmann/json/issues/149)
- disabled "CopyAssignable" test for MSVC in Debug mode, see \#125 [\#131](https://github.com/nlohmann/json/pull/131) ([dariomt](https://github.com/dariomt))
- removed stream operator for iterator, resolution for \#125 [\#130](https://github.com/nlohmann/json/pull/130) ([dariomt](https://github.com/dariomt))
- fixed typos in comments for examples [\#129](https://github.com/nlohmann/json/pull/129) ([dariomt](https://github.com/dariomt))
- Keyword 'inline' is useless when member functions are defined in headers [\#87](https://github.com/nlohmann/json/pull/87) ([ahamez](https://github.com/ahamez))
- Replace `default_callback` function with `nullptr` and check for null… [\#72](https://github.com/nlohmann/json/pull/72) ([aburgh](https://github.com/aburgh))
- support enum [\#71](https://github.com/nlohmann/json/pull/71) ([likebeta](https://github.com/likebeta))
- Fix performance regression introduced with the parsing callback feature. [\#69](https://github.com/nlohmann/json/pull/69) ([aburgh](https://github.com/aburgh))
- Improve the implementations of the comparission-operators [\#63](https://github.com/nlohmann/json/pull/63) ([Florianjw](https://github.com/Florianjw))
- template version with re2c scanner [\#36](https://github.com/nlohmann/json/pull/36) ([nlohmann](https://github.com/nlohmann))
- more descriptive documentation in example [\#33](https://github.com/nlohmann/json/pull/33) ([luxe](https://github.com/luxe))
- Fix string conversion under Clang [\#26](https://github.com/nlohmann/json/pull/26) ([wancw](https://github.com/wancw))
- Fixed dumping of strings [\#24](https://github.com/nlohmann/json/pull/24) ([Teemperor](https://github.com/Teemperor))
- Added a remark to the readme that coverage is GCC only for now [\#23](https://github.com/nlohmann/json/pull/23) ([Teemperor](https://github.com/Teemperor))
- Implemented the JSON spec for string parsing for everything but the \uXXXX escaping [\#21](https://github.com/nlohmann/json/pull/21) ([Teemperor](https://github.com/Teemperor))
- add the std iterator typedefs to iterator and const\_iterator [\#19](https://github.com/nlohmann/json/pull/19) ([kirkshoop](https://github.com/kirkshoop))
\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*
