diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e2a2ae..ef64b7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## 4.0.0 (2015-11-30)
+
 ## 3.0.0 (2014-09-16)
 
 New package version "3.0.0" includes the following features:
diff --git a/examples/fuel_plugin_example_v2/metadata.yaml b/examples/fuel_plugin_example_v2/metadata.yaml
index d895add..62cfd19 100644
--- a/examples/fuel_plugin_example_v2/metadata.yaml
+++ b/examples/fuel_plugin_example_v2/metadata.yaml
@@ -5,7 +5,7 @@ title: Title for fuel_plugin_example plugin
 # Plugin version
 version: '2.0.0'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['6.1']
 # Specify license of your plugin
diff --git a/examples/fuel_plugin_example_v2_update/metadata.yaml b/examples/fuel_plugin_example_v2_update/metadata.yaml
index ee13b5f..eee53c9 100644
--- a/examples/fuel_plugin_example_v2_update/metadata.yaml
+++ b/examples/fuel_plugin_example_v2_update/metadata.yaml
@@ -5,7 +5,7 @@ title: Title for fuel_plugin_example plugin
 # Plugin version
 version: '2.0.2'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['6.1']
 # Specify license of your plugin
diff --git a/examples/fuel_plugin_example_v3/metadata.yaml b/examples/fuel_plugin_example_v3/metadata.yaml
index 7b329d4..e02dff5 100644
--- a/examples/fuel_plugin_example_v3/metadata.yaml
+++ b/examples/fuel_plugin_example_v3/metadata.yaml
@@ -5,7 +5,7 @@ title: Title for fuel_plugin_example_v3 plugin
 # Plugin version
 version: '3.0.0'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['7.0']
 # Specify license of your plugin
diff --git a/examples/fuel_plugin_example_v4/.gitignore b/examples/fuel_plugin_example_v4/.gitignore
new file mode 100644
index 0000000..daedd39
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/.gitignore
@@ -0,0 +1,3 @@
+.tox
+.build
+*.pyc
diff --git a/examples/fuel_plugin_example_v4/LICENSE b/examples/fuel_plugin_example_v4/LICENSE
new file mode 100644
index 0000000..e06d208
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/LICENSE
@@ -0,0 +1,202 @@
+Apache License
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+                        http://www.apache.org/licenses/
+
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diff --git a/examples/fuel_plugin_example_v4/README.md b/examples/fuel_plugin_example_v4/README.md
new file mode 100644
index 0000000..3d0e9c9
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/README.md
@@ -0,0 +1,4 @@
+fuel_plugin_example_v4
+======================
+
+Plugin description
diff --git a/examples/fuel_plugin_example_v4/deployment_scripts/deploy.pp b/examples/fuel_plugin_example_v4/deployment_scripts/deploy.pp
new file mode 100644
index 0000000..73ca6f1
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/deployment_scripts/deploy.pp
@@ -0,0 +1,12 @@
+notice('PLUGIN: fuel_plugin_example_v4 - deploy.pp')
+
+class fuel_plugin_example_v4 {
+  file { '/tmp/fuel_plugin_example_v4_puppet':
+      owner   => 'root',
+      group   => 'root',
+      mode    => 0644,
+      content => "fuel_plugin_example_v4\n",
+  }
+}
+
+class {'fuel_plugin_example_v4': }
diff --git a/examples/fuel_plugin_example_v4/deployment_scripts/deploy.sh b/examples/fuel_plugin_example_v4/deployment_scripts/deploy.sh
new file mode 100755
index 0000000..b2a92d9
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/deployment_scripts/deploy.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+set -eux
+
+# It's a script which deploys your plugin
+echo fuel_plugin_example_v4 > /tmp/fuel_plugin_example_v4_sh
+
+OS_NAME=''
+if   grep -i CentOS /etc/issue.net >/dev/null; then
+    OS_NAME='centos';
+elif grep -i Ubuntu /etc/issue.net >/dev/null; then
+    OS_NAME='ubuntu';
+fi
+
+function install_package {
+    if [ $OS_NAME == 'ubuntu' ]; then
+        apt-get install -y fuel-simple-service
+    elif [ $OS_NAME == 'centos' ]; then
+        yum install -y fuel-simple-service
+    fi
+}
+
+install_package
+fuel-simple-service.py &
\ No newline at end of file
diff --git a/examples/fuel_plugin_example_v4/deployment_tasks.yaml b/examples/fuel_plugin_example_v4/deployment_tasks.yaml
new file mode 100644
index 0000000..e8d52e3
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/deployment_tasks.yaml
@@ -0,0 +1,43 @@
+- id: fuel_plugin_example_v4
+  type: group
+  role: [fuel_plugin_example_v4]
+  tasks:
+    - hiera
+    - globals
+  required_for: [deploy_end]
+  requires: [deploy_start]
+  parameters:
+    strategy:
+      type: parallel
+
+- id: fuel_plugin_example_v4-controller-deployment
+  type: puppet
+  groups: [primary-controller, controller]
+  required_for: [connectivity_tests, deploy_end]
+  requires: [netconfig, deploy_start]
+  parameters:
+    puppet_manifest: "deploy.pp"
+    puppet_modules: "."
+    timeout: 3600
+
+- id: fuel_plugin_example_v4-deployment
+  type: puppet
+  groups: [fuel_plugin_example_v4]
+  required_for: [deploy_end]
+  requires: [deploy_start]
+  parameters:
+    puppet_manifest: "deploy.pp"
+    puppet_modules: "."
+    timeout: 3600
+    retries: 10
+
+- id: fuel_plugin_example_v4-post-deployment-sh
+  type: shell
+  role: [fuel_plugin_example_v4]
+  required_for: [post_deployment_end]
+  requires: [post_deployment_start]
+  parameters:
+    cmd: bash deploy.sh
+    retries: 3
+    interval: 20
+    timeout: 180
diff --git a/examples/fuel_plugin_example_v4/environment_config.yaml b/examples/fuel_plugin_example_v4/environment_config.yaml
new file mode 100644
index 0000000..63b1e69
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/environment_config.yaml
@@ -0,0 +1,7 @@
+attributes:
+  fuel_plugin_example_v4_text:
+    value: 'Set default value'
+    label: 'Text field'
+    description: 'Description for text field'
+    weight: 25
+    type: "text"
diff --git a/examples/fuel_plugin_example_v4/fuel-simple-service.py b/examples/fuel_plugin_example_v4/fuel-simple-service.py
new file mode 100755
index 0000000..247a2d6
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/fuel-simple-service.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
+from wsgiref.simple_server import make_server
+
+def web_app(environ, start_response):
+    status = '200 OK'
+    headers = [('Content-type', 'text/plain')]
+
+    start_response(status, headers)
+
+    return open('/etc/astute.yaml').read()
+
+
+def start_server(host, port):
+    httpd = make_server(host, port, web_app)
+    print 'Started server 8234'
+    httpd.serve_forever()
+
+
+def main():
+    start_server('', 8234)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/examples/fuel_plugin_example_v4/metadata.yaml b/examples/fuel_plugin_example_v4/metadata.yaml
new file mode 100644
index 0000000..6169f59
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/metadata.yaml
@@ -0,0 +1,30 @@
+# Plugin name
+name: fuel_plugin_example_v4
+# Human-readable name for your plugin
+title: Title for fuel_plugin_example_v4 plugin
+# Plugin version
+version: '4.0.0'
+# Description
+description: Please describe your plugin here
+# Required fuel version
+fuel_version: ['8.0']
+# Specify license of your plugin
+licenses: ['Apache License Version 2.0']
+# Specify author or company name
+authors: ['Specify author or company name']
+# A link to the plugin's page
+homepage: 'https://github.com/openstack/fuel-plugins'
+# Specify a group which your plugin implements, possible options:
+# network, storage, storage::cinder, storage::glance, hypervisor
+groups: []
+
+# The plugin is compatible with releases in the list
+releases:
+  - os: ubuntu
+    version: 2015.1-8.0
+    mode: ['ha']
+    deployment_scripts_path: deployment_scripts/
+    repository_path: repositories/ubuntu
+
+# Version of plugin package
+package_version: '4.0.0'
diff --git a/examples/fuel_plugin_example_v4/network_roles.yaml b/examples/fuel_plugin_example_v4/network_roles.yaml
new file mode 100644
index 0000000..067957a
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/network_roles.yaml
@@ -0,0 +1,21 @@
+# Unique network role name
+- id: "fuel_plugin_example_v4"
+  # Role mapping to network
+  default_mapping: "public"
+  properties:
+    # Should be true if network role requires subnet being set
+    subnet: true
+    # Should be true if network role requires gateway being set
+    gateway: false
+    # List of VIPs to be allocated
+    vip:
+         # Unique VIP name
+       - name: "vip_name"
+         # Optional linux namespace for VIP
+         namespace: "haproxy"
+         # Optional alias so VIP can be queried via API
+         alias: "vip_name"
+         # Optional node role list to map VIP to (defaults to
+         # primary-controller and controller)
+         node_roles:
+           - "fuel_plugin_example_v4"
diff --git a/examples/fuel_plugin_example_v4/node_roles.yaml b/examples/fuel_plugin_example_v4/node_roles.yaml
new file mode 100644
index 0000000..607fccd
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/node_roles.yaml
@@ -0,0 +1,6 @@
+fuel_plugin_example_v4:
+  name: "Set here the name for the role. This name will be displayed in the Fuel web UI."
+  description: "Write description for your role"
+  has_primary: false                # whether has primary role or not
+  public_ip_required: false         # whether requires public net or not
+  weight: 100                       # weight that will be used for ordering on fuel ui
diff --git a/examples/fuel_plugin_example_v4/pre_build_hook b/examples/fuel_plugin_example_v4/pre_build_hook
new file mode 100755
index 0000000..db14c50
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/pre_build_hook
@@ -0,0 +1,17 @@
+#!/bin/bash
+set -eux
+
+command -v fpm >/dev/null 2>&1 || {
+    echo >&2 "Install 'fpm' to build this plugin. Aborting."; exit 1;
+}
+
+ROOT=$(dirname `readlink -f $0`)
+
+UBUNTU_REPO_PATH=$ROOT/repositories/ubuntu
+CENTOS_REPO_PATH=$ROOT/repositories/centos
+
+rm -f $UBUNTU_REPO_PATH/*.deb
+rm -f $CENTOS_REPO_PATH/*.rpm
+
+fpm -t deb -p $UBUNTU_REPO_PATH -n fuel-simple-service -v 4.0.0 -s dir $ROOT/fuel-simple-service.py=/usr/bin/fuel-simple-service.py
+fpm -t rpm -p $CENTOS_REPO_PATH -n fuel-simple-service -v 4.0.0 -s dir $ROOT/fuel-simple-service.py=/usr/bin/fuel-simple-service.py
diff --git a/examples/fuel_plugin_example_v4/repositories/centos/.gitkeep b/examples/fuel_plugin_example_v4/repositories/centos/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/examples/fuel_plugin_example_v4/repositories/ubuntu/.gitkeep b/examples/fuel_plugin_example_v4/repositories/ubuntu/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/examples/fuel_plugin_example_v4/tasks.yaml b/examples/fuel_plugin_example_v4/tasks.yaml
new file mode 100644
index 0000000..e8b40e3
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/tasks.yaml
@@ -0,0 +1,43 @@
+# This tasks will be applied on controller nodes
+- role: ['primary-controller', 'controller']
+  stage: post_deployment
+  type: shell
+  parameters:
+    cmd: bash deploy.sh
+    timeout: 42
+
+- role: '*'
+  stage: pre_deployment/100
+  type: shell
+  parameters:
+    cmd: echo all > /tmp/plugin+100.all
+    timeout: 42
+
+- role: '*'
+  stage: pre_deployment/+101.0
+  type: shell
+  parameters:
+    cmd: echo all > /tmp/plugin+100.0.all
+    timeout: 42
+
+- role: '*'
+  stage: pre_deployment/-100
+  type: shell
+  parameters:
+    cmd: echo all > /tmp/plugin-100.all
+    timeout: 42
+
+- role: [compute]
+  stage: pre_deployment/-101
+  type: puppet
+  parameters:
+    puppet_manifest: "deploy.pp"
+    puppet_modules: "."
+    timeout: 3600
+    retries: 2
+
+- role: '*'
+  stage: pre_deployment
+  type: reboot
+  parameters:
+    timeout: 600
diff --git a/examples/fuel_plugin_example_v4/volumes.yaml b/examples/fuel_plugin_example_v4/volumes.yaml
new file mode 100644
index 0000000..217b0dc
--- /dev/null
+++ b/examples/fuel_plugin_example_v4/volumes.yaml
@@ -0,0 +1,6 @@
+# Set here new volumes for your role
+volumes: []
+volumes_roles_mapping:
+  fuel_plugin_example_v4:
+    # Default role mapping
+    - {allocate_size: "min", id: "os"}
diff --git a/fuel_plugin_builder/actions/__init__.py b/fuel_plugin_builder/actions/__init__.py
index 4b38144..d1d5949 100644
--- a/fuel_plugin_builder/actions/__init__.py
+++ b/fuel_plugin_builder/actions/__init__.py
@@ -17,4 +17,6 @@ from fuel_plugin_builder.actions.base import BaseAction
 from fuel_plugin_builder.actions.create import CreatePlugin
 from fuel_plugin_builder.actions.build import BuildPluginV1
 from fuel_plugin_builder.actions.build import BuildPluginV2
+from fuel_plugin_builder.actions.build import BuildPluginV3
+from fuel_plugin_builder.actions.build import BuildPluginV4
 from fuel_plugin_builder.actions.build import make_builder
diff --git a/fuel_plugin_builder/actions/build.py b/fuel_plugin_builder/actions/build.py
index 61bb496..99ccc19 100644
--- a/fuel_plugin_builder/actions/build.py
+++ b/fuel_plugin_builder/actions/build.py
@@ -263,8 +263,12 @@ class BuildPluginV3(BuildPluginV2):
         return data
 
 
+class BuildPluginV4(BuildPluginV3):
+    pass
+
+
 def make_builder(plugin_path):
-    """Creates build object
+    """Creates build object.
 
     :param str plugin_path: path to the plugin
     :returns: specific version of builder object
diff --git a/fuel_plugin_builder/templates/v1/metadata.yaml.mako b/fuel_plugin_builder/templates/v1/metadata.yaml.mako
index cf231ba..df9b788 100644
--- a/fuel_plugin_builder/templates/v1/metadata.yaml.mako
+++ b/fuel_plugin_builder/templates/v1/metadata.yaml.mako
@@ -5,7 +5,7 @@ title: Title for ${plugin_name} plugin
 # Plugin version
 version: '1.0.0'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['6.0']
 
diff --git a/fuel_plugin_builder/templates/v2/plugin_data/metadata.yaml.mako b/fuel_plugin_builder/templates/v2/plugin_data/metadata.yaml.mako
index 204ce9a..29d889f 100644
--- a/fuel_plugin_builder/templates/v2/plugin_data/metadata.yaml.mako
+++ b/fuel_plugin_builder/templates/v2/plugin_data/metadata.yaml.mako
@@ -5,7 +5,7 @@ title: Title for ${plugin_name} plugin
 # Plugin version
 version: '1.0.0'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['6.1']
 # Specify license of your plugin
diff --git a/fuel_plugin_builder/templates/v3/plugin_data/metadata.yaml.mako b/fuel_plugin_builder/templates/v3/plugin_data/metadata.yaml.mako
index 9c494d0..ee0b095 100644
--- a/fuel_plugin_builder/templates/v3/plugin_data/metadata.yaml.mako
+++ b/fuel_plugin_builder/templates/v3/plugin_data/metadata.yaml.mako
@@ -5,7 +5,7 @@ title: Title for ${plugin_name} plugin
 # Plugin version
 version: '1.0.0'
 # Description
-description: Enable to use plugin X for Neutron
+description: Please describe your plugin here
 # Required fuel version
 fuel_version: ['7.0', '8.0']
 # Specify license of your plugin
diff --git a/fuel_plugin_builder/templates/v4/plugin_data/metadata.yaml.mako b/fuel_plugin_builder/templates/v4/plugin_data/metadata.yaml.mako
new file mode 100644
index 0000000..0ca855d
--- /dev/null
+++ b/fuel_plugin_builder/templates/v4/plugin_data/metadata.yaml.mako
@@ -0,0 +1,30 @@
+# Plugin name
+name: ${plugin_name}
+# Human-readable name for your plugin
+title: Title for ${plugin_name} plugin
+# Plugin version
+version: '1.0.0'
+# Description
+description: Please describe your plugin here
+# Required fuel version
+fuel_version: ['8.0']
+# Specify license of your plugin
+licenses: ['Apache License Version 2.0']
+# Specify author or company name
+authors: ['Specify author or company name']
+# A link to the plugin's page
+homepage: 'https://github.com/openstack/fuel-plugins'
+# Specify a group which your plugin implements, possible options:
+# network, storage, storage::cinder, storage::glance, hypervisor
+groups: []
+
+# The plugin is compatible with releases in the list
+releases:
+  - os: ubuntu
+    version: 2015.1-8.0
+    mode: ['ha']
+    deployment_scripts_path: deployment_scripts/
+    repository_path: repositories/ubuntu
+
+# Version of plugin package
+package_version: '4.0.0'
diff --git a/fuel_plugin_builder/tests/base.py b/fuel_plugin_builder/tests/base.py
index 3580f29..815650f 100644
--- a/fuel_plugin_builder/tests/base.py
+++ b/fuel_plugin_builder/tests/base.py
@@ -220,3 +220,19 @@ class BaseValidator(BaseTestCase):
                 "of type 'string', value path "
                 "'attributes -> key1 -> restrictions -> 1 -> condition"):
             self.validator.check_env_config_attrs()
+
+    def check_raised_exception(self, utils_mock, mock_data,
+                               err_msg, executed_method,
+                               err_type=errors.ValidationError):
+        """Check if the given error with given type was raised.
+
+        :param obj utils_mock: fuel_plugin_builder.utils mock
+        :param List[dict] mock_data: mock data
+        :param str err_msg: what error message is expected
+        :param function executed_method: what method should be executed
+        :param Exception err_type: what error type is expected
+        """
+        utils_mock.parse_yaml.return_value = mock_data
+
+        with self.assertRaisesRegexp(err_type, err_msg):
+            executed_method()
diff --git a/fuel_plugin_builder/tests/test_validator_v3.py b/fuel_plugin_builder/tests/test_validator_v3.py
index d9e28c8..93811cd 100644
--- a/fuel_plugin_builder/tests/test_validator_v3.py
+++ b/fuel_plugin_builder/tests/test_validator_v3.py
@@ -280,7 +280,7 @@ class TestValidatorV3(BaseValidator):
                       ' Please remove {0} version from metadata.yaml file or' \
                       ' downgrade package_version.'.format(fuel_version[0])
 
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_compatibility)
 
@@ -303,7 +303,7 @@ class TestValidatorV3(BaseValidator):
                 'type': task_type}]
             err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                       "'role' is a required property, value path '0'"
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_deployment_tasks)
 
@@ -319,7 +319,7 @@ class TestValidatorV3(BaseValidator):
                 'role': '*'}]
             err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                       "'parameters' is a required property, value path '0'"
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_deployment_tasks)
 
@@ -334,7 +334,7 @@ class TestValidatorV3(BaseValidator):
         err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                   "'files' is a required property, value path '0 " \
                   "-> parameters'"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_deployment_tasks)
 
@@ -348,7 +348,7 @@ class TestValidatorV3(BaseValidator):
             'parameters': {'files': []}}]
         err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                   "\[\] is too short, value path '0 -> parameters -> files'"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_deployment_tasks)
 
@@ -375,7 +375,7 @@ class TestValidatorV3(BaseValidator):
             err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                       "'{0}' is a required property, value path '0 " \
                       "-> parameters -> files -> 0'".format(key)
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_deployment_tasks)
 
@@ -400,7 +400,7 @@ class TestValidatorV3(BaseValidator):
             err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                       "'{0}' is a required property, value path '0 " \
                       "-> parameters'".format(key)
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_deployment_tasks)
 
@@ -425,7 +425,7 @@ class TestValidatorV3(BaseValidator):
             err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml', " \
                       "'{0}' is a required property, value path '0 " \
                       "-> parameters'".format(key)
-            self._check_raised_exception(
+            self.check_raised_exception(
                 utils_mock, mock_data,
                 err_msg, self.validator.check_deployment_tasks)
 
@@ -448,7 +448,7 @@ class TestValidatorV3(BaseValidator):
             'role': ['plugin_n@me']}]
         err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml'," \
                   " 'plugin_n@me' does not match"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_deployment_tasks)
 
@@ -501,7 +501,7 @@ class TestValidatorV3(BaseValidator):
             'role': ['plugin_name']}]
         err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml'," \
                   " 'plugin_n@me' does not match"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_deployment_tasks_schema)
 
@@ -524,7 +524,7 @@ class TestValidatorV3(BaseValidator):
             'requires': ['dependency_1', 'dependency_#']}]
         err_msg = "File '/tmp/plugin_path/deployment_tasks.yaml'," \
                   " 'dependency_#' does not match"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_deployment_tasks_schema)
 
@@ -536,7 +536,7 @@ class TestValidatorV3(BaseValidator):
                 'description': 'test plugin'}}
         err_msg = "File '/tmp/plugin_path/node_roles.yaml', Additional" \
                   " properties are not allowed"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_node_roles_schema)
 
@@ -547,7 +547,7 @@ class TestValidatorV3(BaseValidator):
                 'description': 'test plugin'}}
         err_msg = "File '/tmp/plugin_path/node_roles.yaml', 'name' is" \
                   " a required property, value path 'plugin_name'"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_node_roles_schema)
 
@@ -568,7 +568,7 @@ class TestValidatorV3(BaseValidator):
             'volumes': []}
         err_msg = "File '/tmp/plugin_path/volumes.yaml', Additional" \
                   " properties are not allowed"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_volumes_schema)
 
@@ -599,7 +599,7 @@ class TestValidatorV3(BaseValidator):
                     "namespace": "haproxy"}]}}]
         err_msg = "File '/tmp/plugin_path/network_roles.yaml'," \
                   " 'vip@name' does not match"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_network_roles_schema)
 
@@ -616,14 +616,6 @@ class TestValidatorV3(BaseValidator):
                     "namespace": "hap roxy"}]}}]
         err_msg = "File '/tmp/plugin_path/network_roles.yaml'," \
                   " 'hap roxy' does not match"
-        self._check_raised_exception(
+        self.check_raised_exception(
             utils_mock, mock_data,
             err_msg, self.validator.check_network_roles_schema)
-
-    def _check_raised_exception(self, mock_obj, mock_data,
-                                err_msg, executed_method,
-                                err_type=errors.ValidationError):
-        mock_obj.parse_yaml.return_value = mock_data
-
-        with self.assertRaisesRegexp(err_type, err_msg):
-            executed_method()
diff --git a/fuel_plugin_builder/tests/test_validator_v4.py b/fuel_plugin_builder/tests/test_validator_v4.py
new file mode 100644
index 0000000..5c044ac
--- /dev/null
+++ b/fuel_plugin_builder/tests/test_validator_v4.py
@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2015 Mirantis, Inc.
+#
+#    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 mock
+
+from fuel_plugin_builder.tests.base import BaseValidator
+from fuel_plugin_builder.validators.schemas import SchemaV4
+from fuel_plugin_builder.validators.validator_v4 import ValidatorV4
+
+
+class TestValidatorV4(BaseValidator):
+
+    __test__ = True
+    validator_class = ValidatorV4
+    schema_class = SchemaV4
+
+    def test_validate(self):
+        mocked_methods = ['check_deployment_tasks']
+        super(TestValidatorV4, self).test_validate(
+            additional_mocked_methods=mocked_methods)
+
+        self.validator.check_deployment_tasks.assert_called_once_with()
+
+    # copy-pasted from tests v3 to
+    # - override invalid base validator
+    # - make additional validator class integrity smoke-test
+
+    def test_check_schemas(self):
+        mocked_methods = [
+            'check_env_config_attrs',
+            'validate_file_by_schema',
+            'check_deployment_tasks_schema',
+            'check_network_roles_schema',
+            'check_node_roles_schema',
+            'check_volumes_schema'
+        ]
+        self.mock_methods(self.validator, mocked_methods)
+        self.validator.check_schemas()
+
+        self.assertEqual(
+            [mock.call(self.schema_class().metadata_schema,
+                       self.validator.meta_path),
+             mock.call(self.schema_class().tasks_schema,
+                       self.validator.tasks_path, check_file_exists=False)],
+            self.validator.validate_file_by_schema.call_args_list)
+
+        self.validator.check_env_config_attrs.assert_called_once_with()
+        self.validator.check_deployment_tasks_schema.assert_called_once_with()
+        self.validator.check_network_roles_schema.assert_called_once_with()
+        self.validator.check_node_roles_schema.assert_called_once_with()
+        self.validator.check_volumes_schema.assert_called_once_with()
+
+    @mock.patch('fuel_plugin_builder.validators.base.utils')
+    def test_check_compatibility_failed(self, utils_mock):
+        fuel_version_checks = (
+            (['6.0', '6.1', '7.0', '8.0']),
+            (['6.1', '7.0', '8.0']),
+            (['6.0', '6.1', '7.0']),
+            (['6.1', '7.0']),
+        )
+
+        for fuel_version in fuel_version_checks:
+            mock_data = {
+                'fuel_version': fuel_version,
+                'package_version': '4.0.0'}
+            err_msg = 'Current plugin format 4.0.0 is not compatible with ' \
+                      '{0} Fuel release. Fuel version must be 8.0 or higher.' \
+                      ' Please remove {0} version from metadata.yaml file or' \
+                      ' downgrade package_version.'.format(fuel_version[0])
+
+            self.check_raised_exception(
+                utils_mock, mock_data,
+                err_msg, self.validator.check_compatibility)
+
+    @mock.patch('fuel_plugin_builder.validators.base.utils')
+    def test_check_compatibility_passed(self, utils_mock):
+        utils_mock.parse_yaml.return_value = {
+            'fuel_version': ['8.0'],
+            'package_version': '4.0.0'}
+        self.validator.check_compatibility()
diff --git a/fuel_plugin_builder/tests/test_version_mapping.py b/fuel_plugin_builder/tests/test_version_mapping.py
index 19a744c..561dc90 100644
--- a/fuel_plugin_builder/tests/test_version_mapping.py
+++ b/fuel_plugin_builder/tests/test_version_mapping.py
@@ -19,6 +19,7 @@ from fuel_plugin_builder.tests.base import BaseTestCase
 from fuel_plugin_builder.validators import ValidatorV1
 from fuel_plugin_builder.validators import ValidatorV2
 from fuel_plugin_builder.validators import ValidatorV3
+from fuel_plugin_builder.validators import ValidatorV4
 from fuel_plugin_builder.version_mapping import get_plugin_for_version
 
 
@@ -48,6 +49,17 @@ class TestVersionMapping(BaseTestCase):
             ['templates/base', 'templates/v3/plugin_data/'])
         self.assertEqual(result['validator'], ValidatorV3)
 
+    def test_get_plugin_for_version_4(self):
+        result = get_plugin_for_version('4.0.0')
+        self.assertEqual(result['version'], '4.0.0')
+        self.assertEqual(
+            result['templates'],
+            [
+                'templates/base',
+                'templates/v3/plugin_data/',
+                'templates/v4/plugin_data/'])
+        self.assertEqual(result['validator'], ValidatorV4)
+
     def test_get_plugin_for_version_raises_error(self):
         with self.assertRaisesRegexp(errors.WrongPackageVersionError,
                                      'Wrong package version "2999"'):
diff --git a/fuel_plugin_builder/validators/__init__.py b/fuel_plugin_builder/validators/__init__.py
index 6742cf3..07bd8f6 100644
--- a/fuel_plugin_builder/validators/__init__.py
+++ b/fuel_plugin_builder/validators/__init__.py
@@ -18,4 +18,5 @@ from fuel_plugin_builder.validators.manager import ValidatorManager
 from fuel_plugin_builder.validators.validator_v1 import ValidatorV1
 from fuel_plugin_builder.validators.validator_v2 import ValidatorV2
 from fuel_plugin_builder.validators.validator_v3 import ValidatorV3
+from fuel_plugin_builder.validators.validator_v4 import ValidatorV4
 from fuel_plugin_builder.validators.base import BaseValidator
diff --git a/fuel_plugin_builder/validators/schemas/__init__.py b/fuel_plugin_builder/validators/schemas/__init__.py
index bf16739..2ff0393 100644
--- a/fuel_plugin_builder/validators/schemas/__init__.py
+++ b/fuel_plugin_builder/validators/schemas/__init__.py
@@ -19,3 +19,4 @@ from fuel_plugin_builder.validators.schemas.base import BaseSchema
 from fuel_plugin_builder.validators.schemas.v1 import SchemaV1
 from fuel_plugin_builder.validators.schemas.v2 import SchemaV2
 from fuel_plugin_builder.validators.schemas.v3 import SchemaV3
+from fuel_plugin_builder.validators.schemas.v4 import SchemaV4
diff --git a/fuel_plugin_builder/validators/schemas/v4.py b/fuel_plugin_builder/validators/schemas/v4.py
new file mode 100644
index 0000000..630a159
--- /dev/null
+++ b/fuel_plugin_builder/validators/schemas/v4.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2015 Mirantis, Inc.
+#
+#    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.
+
+from fuel_plugin_builder.validators.schemas import SchemaV3
+
+
+class SchemaV4(SchemaV3):
+
+    @property
+    def package_version(self):
+        return {'enum': ['4.0.0']}
diff --git a/fuel_plugin_builder/validators/validator_v4.py b/fuel_plugin_builder/validators/validator_v4.py
new file mode 100644
index 0000000..988ca85
--- /dev/null
+++ b/fuel_plugin_builder/validators/validator_v4.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2015 Mirantis, Inc.
+#
+#    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.
+
+from fuel_plugin_builder.validators.schemas import SchemaV4
+from fuel_plugin_builder.validators import ValidatorV3
+
+
+class ValidatorV4(ValidatorV3):
+
+    schema = SchemaV4()
+
+    @property
+    def basic_version(self):
+        return '8.0'
diff --git a/fuel_plugin_builder/version_mapping.py b/fuel_plugin_builder/version_mapping.py
index 468ab63..175539b 100644
--- a/fuel_plugin_builder/version_mapping.py
+++ b/fuel_plugin_builder/version_mapping.py
@@ -20,7 +20,7 @@ from fuel_plugin_builder import errors
 from fuel_plugin_builder import utils
 
 
-latest_version = '3.0.0'
+latest_version = '4.0.0'
 
 
 def get_mapping():
@@ -40,7 +40,14 @@ def get_mapping():
         {'version': '3.0.0',
          'templates': ['templates/base', 'templates/v3/plugin_data/'],
          'validator': validators.ValidatorV3,
-         'builder': build.BuildPluginV3}]
+         'builder': build.BuildPluginV3},
+        {'version': '4.0.0',
+         'templates': [
+             'templates/base',
+             'templates/v3/plugin_data/',
+             'templates/v4/plugin_data/'],
+         'validator': validators.ValidatorV4,
+         'builder': build.BuildPluginV4}]
 
 
 def get_plugin_for_version(version):
diff --git a/setup.py b/setup.py
index c72c76f..edeb9e0 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ def find_requires():
 
 setup(
     name='fuel-plugin-builder',
-    version='3.0.0',
+    version='4.0.0.dev',
     description='Helps to create and build fuel plugins',
     long_description="""Helps to create and build fuel plugins""",
     classifiers=[