diff --git a/docs/projectconf.rst b/docs/projectconf.rst
index 09c8f35f..d0cb2468 100644
--- a/docs/projectconf.rst
+++ b/docs/projectconf.rst
@@ -644,6 +644,10 @@ Library options
 ``lib_deps``
 ^^^^^^^^^^^^
 
+.. versionadded:: 3.0
+.. seealso::
+    Please make sure to read :ref:`ldf` guide first.
+
 Specify project dependencies that should be installed automatically to
 :ref:`projectconf_pio_libdeps_dir` before an environment process.
 Multiple dependencies are allowed (multi-lines).
diff --git a/platformio/__init__.py b/platformio/__init__.py
index 706fe860..98cf88b7 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (3, 0, "0.dev22")
+VERSION = (3, 0, "0a1")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"