diff --git a/HISTORY.rst b/HISTORY.rst
index a5f7ac83..e67312d5 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -9,6 +9,8 @@ PlatformIO 3.0
 
 * Improved detecting of ARM mbed media disk for uploading
 * Improved Project Generator for CLion IDE when source folder contains nested items
+* Fixed issue with ``PATH`` auto-configuring for upload tools
+* Fixed ``99-platformio-udev.rules`` checker for Linux OS
 
 -------
 
diff --git a/docs/articles.rst b/docs/articles.rst
index 06006a51..23540193 100644
--- a/docs/articles.rst
+++ b/docs/articles.rst
@@ -25,6 +25,7 @@ Here are recent articles/reviews about PlatformIO:
 
 * Sep 20, 2016 - **The Linux Foundation** - `21 Open Source Projects for IoT <https://www.linux.com/comment/16265>`_
 * Sep 19, 2016 - **Doc Walker** - `How to automatically test build Arduino libraries <http://4-20ma.io/2016/09/19/howto-automatically-test-build-arduino-libraries/>`_
+* Sep 18, 2016 - **Kadda Sahnine** - `LoRaWAN network practice with Objenious, PlatformIO and Node-RED <http://blog.inovia-conseil.fr/?p=262>`_
 * Sep 12, 2016 - **Pedro Minatel** - `OTA – Como programar o ESP8266 pelo WiFi no platformIO (OTA programming for ESP8266 via Wi-Fi using PlatformIO, Portuguese) <http://pedrominatel.com.br/esp8266/ota-como-programar-o-esp8266-pelo-wifi-no-platformio/>`_
 * Sep 2, 2016 - **Tinkerman** `ESP8266: Optimizing files for SPIFFS with Gulp <http://tinkerman.cat/optimizing-files-for-spiffs-with-gulp/>`_
 * Aug 28, 2016 - **Tom Parker** `Using the BBC micro:bit with PlatformIO <http://www.lshift.net/blog/2016/08/28/using-the-bbc-microbit-with-platformio/>`_
diff --git a/platformio/__init__.py b/platformio/__init__.py
index 9e4ad77e..71167fe7 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (3, 1, "1a1")
+VERSION = (3, 1, "1a2")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"
diff --git a/platformio/builder/tools/pioplatform.py b/platformio/builder/tools/pioplatform.py
index 42ad2ef4..2c4d9184 100644
--- a/platformio/builder/tools/pioplatform.py
+++ b/platformio/builder/tools/pioplatform.py
@@ -31,7 +31,7 @@ def initPioPlatform(name):
 def PioPlatform(env):
     variables = {}
     for key in ("board", "pioframework"):
-        if key not in env:
+        if key.upper() not in env:
             continue
         variables[key] = env[key.upper()]
     p = initPioPlatform(env['PLATFORM_MANIFEST'])
diff --git a/platformio/builder/tools/pioupload.py b/platformio/builder/tools/pioupload.py
index d1c5ff90..9a8ec8c6 100644
--- a/platformio/builder/tools/pioupload.py
+++ b/platformio/builder/tools/pioupload.py
@@ -118,8 +118,8 @@ def AutodetectUploadPort(*args, **kwargs):  # pylint: disable=unused-argument
         env.Replace(UPLOAD_PORT=_look_for_mbed_disk())
     else:
         if (system() == "Linux" and not any([
-                isfile("/etc/udev/99-platformio-udev.rules"),
-                isfile("/etc/rules.d/99-platformio-udev.rules")
+                isfile("/etc/udev/rules.d/99-platformio-udev.rules"),
+                isfile("/lib/udev/rules.d/99-platformio-udev.rules")
         ])):
             sys.stderr.write(
                 "\nWarning! Please install `99-platformio-udev.rules` and "