Prepare v1.2.1 release (#1478)

Author: sandwwraith

CHANGELOG.md

@@ -1,3 +1,22 @@
+
+1.2.1 / 2021-05-14
+==================
+
+This release mainly contains bugfixes for various issues, including important [broken thread-safety](https://github.com/Kotlin/kotlinx.serialization/issues/1455) and [improper encoding](https://github.com/Kotlin/kotlinx.serialization/issues/1441).
+
+### Features
+
+  * Added support for nullable values, nested and empty collections in protobuf (#1430)
+
+### Bugfixes
+
+  * Support @JsonNames for enum values (#1473)
+  * Handle EOF in skipElement correctly (#1475)
+  * Allow using value classes with primitive carriers as map keys (#1470)
+  * Read JsonNull only for non-string literals in JsonTreeReader (#1466)
+  * Properly reuse JsonStringBuilders in CharArrayPool (#1455)
+  * Properly ensure capacity of the string builder on the append slow-path (#1441)
+
 1.2.0 / 2021-04-27
 ==================
 

README.md

@@ -4,7 +4,7 @@
 [![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)
 [![TeamCity build](https://img.shields.io/teamcity/http/teamcity.jetbrains.com/s/KotlinTools_KotlinxSerialization_Ko.svg)](https://teamcity.jetbrains.com/viewType.html?buildTypeId=KotlinTools_KotlinxSerialization_Ko&guest=1)
 [![Kotlin](https://img.shields.io/badge/kotlin-1.5.0-blue.svg?logo=kotlin)](http://kotlinlang.org)
-[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-serialization-core/1.2.0)](https://search.maven.org/artifact/org.jetbrains.kotlinx/kotlinx-serialization-core/1.2.0/pom)
+[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-serialization-core/1.2.1)](https://search.maven.org/artifact/org.jetbrains.kotlinx/kotlinx-serialization-core/1.2.1/pom)
 [![KDoc link](https://img.shields.io/badge/API_reference-KDoc-blue)](https://kotlin.github.io/kotlinx.serialization/)
 [![Slack channel](https://img.shields.io/badge/chat-slack-blue.svg?logo=slack)](https://kotlinlang.slack.com/messages/serialization/)
 
@@ -153,7 +153,7 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.1")
 }
 ```
 
@@ -165,7 +165,7 @@ repositories {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.1"
 }
 ```
 
@@ -221,7 +221,7 @@ Ensure the proper version of Kotlin and serialization version:
 ```xml
 <properties>
     <kotlin.version>1.5.0</kotlin.version>
-    <serialization.version>1.2.0</serialization.version>
+    <serialization.version>1.2.1</serialization.version>
 </properties>
 ```
 

gradle.properties

@@ -3,7 +3,7 @@
 #
 
 group=org.jetbrains.kotlinx
-version=1.2.0-SNAPSHOT
+version=1.2.1-SNAPSHOT
 
 kotlin.version=1.5.0
 

integration-test/gradle.properties

@@ -3,7 +3,7 @@
 #
 
 mainKotlinVersion=1.5.0
-mainLibVersion=1.2.0-SNAPSHOT
+mainLibVersion=1.2.1-SNAPSHOT
 
 kotlin.code.style=official
 kotlin.js.compiler=both