Merge branch 'main' into dev

Author: greenrobot-team

README.md

@@ -3,7 +3,7 @@
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 # ObjectBox Java (Kotlin, Android)
-ObjectBox is a superfast object-oriented database with strong relation support.
+[ObjectBox](https://objectbox.io/) is a superfast object-oriented database with strong relation support.
 ObjectBox is embedded into your Android, Linux, macOS, or Windows app.
 
 **Latest version: [2.9.1 (2021/03/15)](https://docs.objectbox.io/#objectbox-changelog)**