Readme update.

README.md

@@ -38,21 +38,16 @@ Alternatively, you can build it locally as [explained below](#building-the-docum
 
 :warning: Note nº1: **Breaking changes incoming**
 
-We are currently releasing a series of alpha versions, the latests one being currently the
-[1.0.0-alpha.6](https://github.com/eclipse-zenoh/zenoh-java/releases/tag/1.0.0-alpha.6).
-We are currently working to provide an upgraded API across all the languages supported by  the Zenoh ecosystem.
-This last alpha release still offers an 'old-fashioned' API, although it's fully
-compatible with the other 1.0.0 alpha releases of Zenoh. You must take into consideration when importing this library
+With the purpose of providing an upgraded API across all the languages supported by the Zenoh ecosystem, 
+we are currently releasing a series of alpha and beta versions, the latest one being currently the
+[1.0.0-beta.1](https://github.com/eclipse-zenoh/zenoh-java/releases/tag/1.0.0-beta.1).
+
+This last release still offers an 'old-fashioned' API, although it's fully
+compatible with the other 1.0.0 releases of Zenoh. You must take into consideration when importing this library
 that the API is about to be modified with some considerable breaking changes. A migration guide will be provided when
 the time comes.
 
-:warning: Note nº2: **Using the `dev/1.0.0` branch**
-
-The `main` branch contains the codebase for the `0.11.0` version of Zenoh-Kotlin,
-compatible with the same version of Zenoh. We are currently working with the `dev/1.0.0` branch. So in case you want
-to build the project with the latest changes being implemented, switch to that branch!
-
-:warning: Note nº3: **About the released packages**
+:warning: Note nº2: **About the released packages**
 
 The released packages can be found in the "packages" section of this repository, or in the links below:
 * [Android packages](https://github.com/eclipse-zenoh/zenoh-java/packages/2019754/versions)