ArduinoJson 7.2.1

Changes

• Forbid deserializeJson(JsonArray|JsonObject, ...) (issue #2135)
• Fix VLA support in JsonDocument::set()
• Fix operator[](variant) ignoring NUL characters

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ArduinoJson 7.2.0

ℹ️ Read the blog post

Changes

• Store object members with two slots: one for the key and one for the value
• Store 64-bit numbers (double and long long) in an additional slot
• Reduce the slot size (see table below)
• Improve message when user forgets third arg of serializeJson() et al.
• Set ARDUINOJSON_USE_DOUBLE to 0 by default on 8-bit architectures
• Deprecate containsKey() in favor of doc["key"].is<T>()
• Add support for escape sequence \' (issue #2124)

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ArduinoJson 7.1.0

ℹ️ Read the blog post

Changes

• Add ARDUINOJSON_STRING_LENGTH_SIZE to the namespace name
• Add support for MsgPack binary (PR #2078 by @Sanae6)
• Add support for MsgPack extension
• Make string support even more generic (PR #2084 by @d-a-v)
• Optimize deserializeMsgPack()
• Allow using a JsonVariant as a key or index (issue #2080)
  Note: works only for reading, not for writing
• Support ElementProxy and MemberProxy in JsonDocument's constructor
• Don't add partial objects when allocation fails (issue #2081)
• Read MsgPack's 64-bit integers even if ARDUINOJSON_USE_LONG_LONG is 0
  (they are set to null if they don't fit in a long)

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ArduinoJson 7.0.4

Changes

• Make JSON_STRING_SIZE(N) return N+1 to fix third-party code (issue #2054)

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ArduinoJson 7.0.3

Changes

• Improve error messages when using char or char* (issue #2043)
• Reduce stack consumption (issue #2046)
• Fix compatibility with GCC 4.8 (issue #2045)

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ArduinoJson 7.0.2

Changes

• Fix assertion poolIndex < count_ after JsonDocument::clear() (issue #2034)

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ArduinoJson 7.0.1

Changes

• Fix "no matching function" with JsonObjectConst::operator[] (issue #2019)
• Remove unused files in the PlatformIO package
• Fix volatile bool serialized as 1 or 0 instead of true or false (issue #2029)

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ArduinoJson 6.21.5

Changes

• Fix warning function returns incomplete class type on IAR (issue #2001)
• Fix volatile bool serialized as 1 or 0 instead of true or false (issue #2029)
• Remove unused files in the PlatformIO package

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ArduinoJson 7.0.0

ℹ️ Read the blog post

Changes

• Remove BasicJsonDocument
• Remove StaticJsonDocument
• Add abstract Allocator class
• Merge DynamicJsonDocument with JsonDocument
• Remove JSON_ARRAY_SIZE(), JSON_OBJECT_SIZE(), and JSON_STRING_SIZE()
• Remove ARDUINOJSON_ENABLE_STRING_DEDUPLICATION (string deduplication cannot be disabled anymore)
• Remove JsonDocument::capacity()
• Store the strings in the heap
• Reference-count shared strings
• Always store serialized("string") by copy (#1915)
• Remove the zero-copy mode of deserializeJson() and deserializeMsgPack()
• Fix double lookup in to<JsonVariant>()
• Fix double call to size() in serializeMsgPack()
• Include ARDUINOJSON_SLOT_OFFSET_SIZE in the namespace name
• Remove JsonVariant::shallowCopy()
• JsonDocument's capacity grows as needed, no need to pass it to the constructor anymore
• JsonDocument's allocator is not monotonic anymore, removed values get recycled
• Show a link to the documentation when user passes an unsupported input type
• Remove JsonDocument::memoryUsage()
• Remove JsonDocument::garbageCollect()
• Add deserializeJson(JsonVariant, ...) and deserializeMsgPack(JsonVariant, ...) (#1226)
• Call shrinkToFit() in deserializeJson() and deserializeMsgPack()
• serializeJson() and serializeMsgPack() replace the content of std::string and String instead of appending to it
• Replace add() with add<T>() (add(T) is still supported)
• Remove createNestedArray() and createNestedObject() (use to<JsonArray>() and to<JsonObject>() instead)

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ArduinoJson 6.21.4

Changes

• Fix error 'std::string' has not been declared (issue #1967)
• Fix error 'std::string_view' has not been declared (issue #1967)
• Fix error no instance of overloaded function... on recent IAR compilers (issue #2001)

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