Gson 2.10

Most important changes

• Support for serializing and deserializing Java records, on Java ≥ 16. (#2201)

• Add JsonArray.asList and JsonObject.asMap view methods (#2225)

• Fix TypeAdapterRuntimeTypeWrapper not detecting reflective TreeTypeAdapter and FutureTypeAdapter (#1787)

• Improve JsonReader.skipValue() (#2062)

• Perform numeric conversion for primitive numeric type adapters (#2158)

• Add Gson.fromJson(..., TypeToken) overloads (#1700)

• Fix changes to GsonBuilder affecting existing Gson instances (#1815)

• Make JsonElement conversion methods more consistent and fix javadoc (#2178)

• Throw UnsupportedOperationException when JsonWriter.jsonValue is not supported (#1651)

• Disallow JsonObject Entry.setValue(null) (#2167)

• Fix TypeAdapter.toJson throwing AssertionError for custom IOException (#2172)

• Convert null to JsonNull for JsonArray.set (#2170)

• Fixed nullSafe usage. (#1555)

• Validate TypeToken.getParameterized arguments (#2166)

• Fix #1702: Gson.toJson creates CharSequence which does not implement toString (#1703)

• Prefer existing adapter for concurrent Gson.getAdapter calls (#2153)

• Improve ArrayTypeAdapter for Object[] (#1716)

• Improve AppendableWriter performance (#1706)

List of all changes

• Improve AppendableWriter performance by @Marcono1234 in #1706
• Improve ArrayTypeAdapter for Object[] by @Marcono1234 in #1716
• Prefer existing adapter for concurrent Gson.getAdapter calls by @Marcono1234 in #2153
• Fix #1702: Gson.toJson creates CharSequence which does not implement toString by @Marcono1234 in #1703
• Deprecate JsonElement constructor by @Marcono1234 in #1761
• Validate TypeToken.getParameterized arguments by @Marcono1234 in #2166
• Fixed nullSafe usage. by @bufistov in #1555
• Convert null to JsonNull for JsonArray.set by @Marcono1234 in #2170
• Clarify that GsonBuilder.setExclusionStrategies does not replace existing ones by @Marcono1234 in #2168
• Fix typo by @JamesZBL in #1246
• Remove not needed .gitattributes file by @Marcono1234 in #1862
• Improve InternationalizationTest by @Marcono1234 in #1705
• Fix JsonWriter documentation regarding top-level value by @Marcono1234 in #1766
• Fix JsonTreeReader throwing wrong exception type for non-finite doubles by @Marcono1234 in #1782
• Clarify doc about non-finite numbers for non-lenient JsonReader by @Marcono1234 in #1723
• Fix TypeAdapter.toJson throwing AssertionError for custom IOException by @Marcono1234 in #2172
• Add test for JsonArray.isEmpty() by @LorenzNickel in #2173
• Disallow JsonObject Entry.setValue(null) by @Marcono1234 in #2167
• Improve GsonTest.testGetAdapter_Concurrency by @Marcono1234 in #2177
• Add null checks for GsonBuilder methods by @Marcono1234 in #2179
• Throw UnsupportedOperationException when JsonWriter.jsonValue is not supported by @Marcono1234 in #1651
• Make JsonElement conversion methods more consistent and fix javadoc by @Marcono1234 in #2178
• Bump maven-javadoc-plugin from 3.4.0 to 3.4.1 by @dependabot in #2175
• Add tests checking GsonBuilder not affecting existing Gson instances by @Marcono1234 in #1815
• Fix #1697: Mention that GsonBuilder.registerTypeAdapter makes (de-)serializers null-safe by @Marcono1234 in #1704
• Replace $Gson$Preconditions.checkNotNull with Objects.requireNonNull by @Marcono1234 in #2180
• Verify that JsonTreeReader and JsonTreeWriter override all methods by @Marcono1234 in #2181
• Fail Maven build on compiler warnings; remove some warning suppressions by @Marcono1234 in #2183
• Add GitHub workflow for checking API compatibility by @Marcono1234 in #2182
• Bump japicmp-maven-plugin from 0.15.7 to 0.16.0 by @dependabot in #2187
• Bump jackson-databind from 2.13.3 to 2.13.4 by @dependabot in #2191
• Remove usage of oss-parent Maven parent and update ReleaseProcess.md by @Marcono1234 in #2159
• Improve documentation by @Marcono1234 in #2193
• updated JsonDeserializer example by @deeptimarrivada1 in #2192
• Add Gson.fromJson(..., TypeToken) overloads by @Marcono1234 in #1700
• Bump maven-jar-plugin from 3.2.2 to 3.3.0 by @dependabot in #2195
• Build on JDK 17 as well as 11. by @eamonnmcmanus in #2198
• Fix incorrect HTML headings in Javadoc by @Marcono1234 in #2200
• Add a currently-failing test for Java records and @Ignore it. by @eamonnmcmanus in #2203
• Follow-up for record test build changes by @Marcono1234 in #2207
• Disable Maven transfer progress for GitHub workflows by @Marcono1234 in #2206
• Only create one UnsafeAllocator instance by @kb-1000 in #2196
• Mention in User Guide alternative for Gson versions without fromJson(..., TypeToken) by @Marcono1234 in #2209
• Fix typo in GsonBuilder Javadoc by @BillyGalbreath in #2213
• Add Javadoc @since tags for previously added elements by @Marcono1234 in #2211
• Improve versioning support documentation and validate version by @Marcono1234 in #2214
• Perform numeric conversion for primitive numeric type adapters by @Marcono1234 in #2158
• Clarify in documentation that Gson might cache strategy results by @Marcono1234 in #2215
• Improve JsonReader.skipValue() by @Marcono1234 in #2062
• Fix TypeAdapterRuntimeTypeWrapper not detecting reflective TreeTypeAdapter and FutureTypeAdapter by @Marcono1234 in #1787
• Support Java Records when present in JVM. by @staale in #2201
• Small adjustments to the new record code. by @eamonnmcmanus in #2219
• Bump jackson-databind from 2.13.4 to 2.13.4.1 by @dependabot in #2222
• Bump jackson-databind from 2.13.4.1 to 2.13.4.2 by @dependabot in #2223
• Add JsonArray.asList and JsonObject.asMap view methods by @Marcono1234 in #2225
• Adjust Record adapter and extend test coverage by @Marcono1234 in #2224
• Small tweaks to fix Error Prone warnings. by @eamonnmcmanus in #2227
• Automatically replace version references on release:prepare by @Marcono1234 in #2212
• Revise the version regex in GsonVersionDiagnosticsTest. by @eamonnmcmanus in #2228

New Contributors

• @bufistov made their first contribution in #1555
• @JamesZBL made their first contribution in #1246
• @xtay2 made their first contribution in #2169
• @deeptimarrivada1 made their first contribution in #2192
• @kb-1000 made their first contribution in #2196
• @BillyGalbreath made their first contribution in #2213
• @staale made their first contribution in #2201

Full Changelog: gson-parent-2.9.1...gson-parent-2.10