Merge branch 'refs/heads/v2.4.0' into dev

Author: greenrobot-team

README.md

@@ -4,9 +4,7 @@
 ObjectBox is a superfast object-oriented database with strong relation support.
 ObjectBox is embedded into your Android, Linux, macOS, or Windows app.
 
-**Latest version: [2.4.0 RC (2019/10/03)](https://objectbox.io/changelog)**
-
-**Latest stable version: [2.3.4 (2019/03/19)](https://objectbox.io/changelog)**
+**Latest version: [2.4.0 (2019/10/15)](https://objectbox.io/changelog)**
 
 Demo code using ObjectBox:
 
@@ -32,7 +30,7 @@ Add this to your root build.gradle (project level):
 
 ```groovy
 buildscript {
-    ext.objectboxVersion = '2.3.4'
+    ext.objectboxVersion = '2.4.0'
     dependencies {
         classpath "io.objectbox:objectbox-gradle-plugin:$objectboxVersion"
     }

build.gradle

@@ -6,14 +6,16 @@ buildscript {
         // version post fix: '-<value>' or '' if not defined; e.g. used by CI to pass in branch name
         def versionPostFixValue = project.findProperty('versionPostFix')
         def versionPostFix = versionPostFixValue ? "-$versionPostFixValue" : ''
-        ob_version = "2.4.0$versionPostFix-SNAPSHOT"
+//        ob_version = "2.4.0$versionPostFix-SNAPSHOT"
+        ob_version = "2.4.0"
         println "ObjectBox Java version $ob_version"
 
         ob_expected_version = project.hasProperty('expectedVersion') ? project.property('expectedVersion') : 'UNDEFINED'
 
         // Core version for tests
         // Be careful to diverge here; easy to forget and hard to find JNI problems
-        ob_native_version = "2.4.0-dev-SNAPSHOT"
+//        ob_native_version = "2.4.0-dev-SNAPSHOT"
+        ob_native_version = "2.4.0"
 
         def osName = System.getProperty("os.name").toLowerCase()
         objectboxPlatform = osName.contains('linux') ? 'linux'