old_contents: # Copyright (c) 2014-present PlatformIO <contact@platformio.org>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  VERSION = (3, 4, "0b11")
  __version__ = ".".join([str(s) for s in VERSION])
  
  __title__ = "platformio"
  __description__ = ("An open source ecosystem for IoT development. "
                     "Cross-platform build system and library manager. "
                     "Continuous and IDE integration. "
                     "Arduino, ESP8266 and ARM mbed compatible")
  __url__ = "http://platformio.org"
  
  __author__ = "Ivan Kravets"
  __email__ = "me@ikravets.com"
  
  __license__ = "Apache Software License"
  __copyright__ = "Copyright 2014-present PlatformIO"
  
  __apiurl__ = "https://api.platformio.org"
  
  if sys.version_info < (2, 7, 0) or sys.version_info >= (3, 0, 0):
      msg = ("PlatformIO version %s does not run under Python version %s.\n"
             "Python 3 is not yet supported.\n")
      sys.stderr.write(msg % (__version__, sys.version.split()[0]))
      sys.exit(1)
  
new_contents: # Copyright (c) 2014-present PlatformIO <contact@platformio.org>
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  VERSION = (3, 4, "0b12")
  __version__ = ".".join([str(s) for s in VERSION])
  
  __title__ = "platformio"
  __description__ = ("An open source ecosystem for IoT development. "
                     "Cross-platform build system and library manager. "
                     "Continuous and IDE integration. "
                     "Arduino, ESP8266 and ARM mbed compatible")
  __url__ = "http://platformio.org"
  
  __author__ = "Ivan Kravets"
  __email__ = "me@ikravets.com"
  
  __license__ = "Apache Software License"
  __copyright__ = "Copyright 2014-present PlatformIO"
  
  __apiurl__ = "https://api.platformio.org"
  
  if sys.version_info < (2, 7, 0) or sys.version_info >= (3, 0, 0):
      msg = ("PlatformIO version %s does not run under Python version %s.\n"
             "Python 3 is not yet supported.\n")
      sys.stderr.write(msg % (__version__, sys.version.split()[0]))
      sys.exit(1)
  
subject: Bump version to 3.4.0b12