Overview of changes for 1.4
==============================
• Use Meson as the only build system
• #773504 - Avoid extra allocations [Garrett Regier]
• #780550 - meson error looking for python3 [Daniele Forghieri]
• #769206 - docs: Clarify when NULL might be returned [Matthew Leeds]
• #766281 - utils/json_from_string: Don't reset user-provided error
            argument [Heinrich Fink]
• #758580 - json_reader_is_value returns TRUE for null type but
            json_reader_get_value throws an error [Robert Ancell]
• #768788 - Incorrect account of jsonPath syntax in doc [Allin Cottrell]
• #774688 - json_from_string() could be optimized to avoid copying the
            root node [Ole André Vadla Ravnås]

Overview of changes for 1.2
==============================
• Add simple wrapper functions for JsonGenerator and JsonParser to
  write and read a string from and to a JsonNode, respectively
• Drop use of deprecated GIO API
• Bump the dependency on GLib to 2.46
• Do not create `null` nodes for empty strings [#730803]
• Documentation fixes [Philip Withnall - #754384]
• Avoid crashes in the test suite [Iain Lane - #755977]
• Add simple iterator object for JSON objects [Philip Withnall - #755509]
• Detect missing commas in arrays
• Add support for g_auto* macros
• Allow making JSON types optionally immutable, in order to allow
  efficient hashing and equality tests [Philip Withnal - #756121]
• Improve the build under MSVC [Chun-wei Fan]
• Add Meson build system [Thibault Saunier - #773603]
• Support Visual Studio 2017 [Chun-wei Fan]
• Allow using G_DECLARE_INTERFACE with JsonSerializable
• Allow empty strings as JsonObject member names [Dr. David Alan Gilbert - #747279]

Overview of changes for 1.0
==============================
• Bump the dependency on GLib to 2.38
• Use the TAP driver for the test suite
• Improve the syntax validation in JsonPath
• Validate the JsonParser input to be UTF-8
• Add command line tools for validating and formatting JSON
• Improve documentation

Overview of changes for 0.16.0
==============================
• Fixes for building with VisualStudio. [Chun-wei Fan]
• Allow out-of-tree builds. [Colin Walters]
• Bump the dependency on GLib to 2.31.
• Use the new deprecation system provided by GLib.
• Simplify the value handling inside JsonNode.
• Use lcov to generate coverage reports for the test suite.
• Check expected ABI when building.
• Drop dependency on gnome-autogen.sh when building from Git.

Overview of changes for 0.14.0
==============================
• Documentation fixes
• Bump the dependency on GLib to 2.26
• Allow building on Windows using VisualStudio [Chun-wei Fan]
• Add JSON ↔ GVariant translation [Eduardo Lima Mitev]
• Improve sanity checks when (de)serializing GObject
  properties [Tristan Van Berkom]
• Add missing introspection annotations [Luca Bruno]
• Add JsonReader.list_members()
• Allow using JsonReader.read_element() on JSON objects
• Remove all G_CONST_RETURN usage after the deprecation
• Allow JsonSerializable to override the introspection and
  modification of properties
• Add i18n support for GError messages
• Do not serialize GObject properties that match their default
  values.
• Make JsonReader perform a stricter validation especially when using
  the strongly typed accessors.

Overview of changes for 0.12.0
==============================
• Support surrogate pairs in JSON strings [Eiichi Sato]
• Update the test suite
• Add (optional) coverage reports
• Improve strictness of JsonParser
• Improve error reporting of JsonParser
• Add JsonBuilder, a convenience API for programmatic building
  of JSON trees [Luca Bruno]
• Add methods for JsonParser and JsonGenerator to handle Input|OutputStream
  objects coming from GIO.
• Add JsonReader, a convenience API for cursor-based parsing of
  JSON trees
• Depend on GObject-Introspection ≥ 0.9.5

Overview of changes for 0.10.0
==============================
• Fix generation of doubles [Cornelius Hald]
• Add more units to the test suite
• Add JsonNode macros for quick type checking
• Guarantee insertion order when parsing and generating JSON Objects
• Serialize GParamSpecObject properties
• Add serialization and deserialization for GBoxed types
• Add API for serializing GObjects to, and deserializing from, JsonNode
• Build environment fixes
• Documentation fixes
• Generate correct introspection data
• Make JsonSerializable in complete control of deserialization [Tristan Van
  Berkom]

Overview of changes for 0.8.0
=============================
* Remove the in-tree Vala bindings: they are part of Vala, now
* Remove the in-tree Debian packaging
* Fix bug #958: JsonGenerator does not escape special characters
* Fix bug #965: Conditionally compile the test suite
* Display the filename and line inside the error messages when
  loading from a file
* Fix bug #1203: Correctly terminate a string array
* Fix bug #1393: Regression tests fail on OpenBSD
* Do not leak memory on error code paths
* Improve and clean up the build system
* Make JsonNode completely opaque
* Conditionally generate introspection data on build
* Fix bug #1353: Do not overwrite when copying
* Deprecate json_object_add_member()
* Add convenience accessors for JsonObject and JsonArray
* Add convenience iteration functions for JsonObject and JsonArray
* Automatically promote integers to gint64, to compensate for the
  lack of integer size in the JSON specificiation
* Disallow the inclusion of single header files: only json-glib,h
  and json-gobject.h can be included directly
* Documentation fixes
* Clean up and remove code duplication inside the Parser object

Overview of changes for 0.6.0
=============================
* Allow deserialization of strings into enum and flag types
* Add the :indent-char property to JsonGenerator
* Add functions to retrieve copies of the nodes inside Object and Array
* Fix leaks and invalid accesses
* Use the right type for the buffer length parameter in JsonParser
* Provide a default implementation for JsonSerializable
* Provide our own JSON tokenizer (using GScanner) for the JSON-only
  features that would have been lost by using GScanner
* Add a fully automated test suite, using the GTest framework
* Allow 'null' nodes to return a value without warnings
* Add support for parsing Unicode characters escaped using \uXXXX
* Make the deserialization of G_TYPE_STRV properties more robust
* Export the public symbols only
* Provide GTypes for the enumerations
* Avoid a warning when trying to copy an empty JsonNode
* Fix gtk-doc cross-references with GLib and GObject documentation

Overview of changes for 0.4.0
=============================
* Support parsing of negative numbers
* Fix parse error propagation and message
* More parser sanity checks
* GObject deserialization support
* Detect and parse JSON masked as a JavaScript assignment
* Allow using JsonNode with GObject properties and signals
* Add JsonGenerator:root property