diff --git a/addons/hr_timesheet/views/project_views.xml b/addons/hr_timesheet/views/project_views.xml
index 9d2fc6a4845..1ac8414c69b 100644
--- a/addons/hr_timesheet/views/project_views.xml
+++ b/addons/hr_timesheet/views/project_views.xml
@@ -51,17 +51,15 @@
                         </div>
                     </button>
                 </div>
-                <xpath expr="//div[@id='rating_settings']/.." position="before">
-                    <div class="row mt16 o_settings_container">
-                        <div class="col-lg-6 o_setting_box"  id="timesheet_settings">
-                            <div class="o_setting_left_pane">
-                                <field name="allow_timesheets"/>
-                            </div>
-                            <div class="o_setting_right_pane">
-                                <label for="allow_timesheets" string="Timesheets"/>
-                                <div class="text-muted">
-                                    Log time on tasks
-                                </div>
+                <xpath expr="//div[@id='rating_settings']" position="before">
+                    <div class="col-lg-6 o_setting_box"  id="timesheet_settings">
+                        <div class="o_setting_left_pane">
+                            <field name="allow_timesheets"/>
+                        </div>
+                        <div class="o_setting_right_pane">
+                            <label for="allow_timesheets" string="Timesheets"/>
+                            <div class="text-muted">
+                                Log time on tasks
                             </div>
                         </div>
                     </div>
@@ -196,6 +194,15 @@
                     </group>
                 </page>
                 </xpath>
+                <xpath expr="//field[@name='depend_on_ids']/tree//field[@name='company_id']" position="after">
+                    <field name="allow_subtasks" invisible="1" />
+                    <field name="planned_hours" widget="timesheet_uom_no_toggle" sum="Initially Planned Hours" optional="hide"/>
+                    <field name="effective_hours" widget="timesheet_uom" sum="Effective Hours" optional="hide"/>
+                    <field name="remaining_hours" widget="timesheet_uom" sum="Remaining Hours" optional="hide" decoration-danger="progress &gt;= 100" decoration-warning="progress &gt;= 80 and progress &lt; 100"/>
+                    <field name="subtask_effective_hours" widget="timesheet_uom" attrs="{'invisible' : [('allow_subtasks', '=', False)]}" optional="hide"/>
+                    <field name="total_hours_spent" widget="timesheet_uom" attrs="{'invisible' : [('allow_subtasks', '=', False)]}" optional="hide"/>
+                    <field name="progress" widget="progressbar" optional="hide" groups="hr_timesheet.group_hr_timesheet_user"/>
+                </xpath>
             </field>
         </record>
 
diff --git a/addons/project/models/project.py b/addons/project/models/project.py
index 3d85122c16c..133df699117 100644
--- a/addons/project/models/project.py
+++ b/addons/project/models/project.py
@@ -219,6 +219,7 @@ class Project(models.Model):
         help="Project in which sub-tasks of the current project will be created. It can be the current project itself.")
     allow_subtasks = fields.Boolean('Sub-tasks', default=lambda self: self.env.user.has_group('project.group_subtask_project'))
     allow_recurring_tasks = fields.Boolean('Recurring Tasks', default=lambda self: self.env.user.has_group('project.group_project_recurring_tasks'))
+    allow_task_dependencies = fields.Boolean('Task Dependencies', default=lambda self: self.env.user.has_group('project.group_project_task_dependencies'))
 
     # rating fields
     rating_request_deadline = fields.Datetime(compute='_compute_rating_request_deadline', store=True)
@@ -648,6 +649,10 @@ class Task(models.Model):
     # customer portal: include comment and incoming emails in communication history
     website_message_ids = fields.One2many(domain=lambda self: [('model', '=', self._name), ('message_type', 'in', ['email', 'comment'])])
 
+    # Task Dependencies fields
+    allow_task_dependencies = fields.Boolean(related='project_id.allow_task_dependencies')
+    depend_on_ids = fields.Many2many('project.task', relation="task_dependencies_rel", column1="task_id", column2="depends_on_id", string="Blocked By", domain="[('allow_task_dependencies', '=', True), ('id', '!=', id)]")
+
     # recurrence fields
     allow_recurring_tasks = fields.Boolean(related='project_id.allow_recurring_tasks')
     recurring_task = fields.Boolean(string="Recurrent")
@@ -731,6 +736,11 @@ class Task(models.Model):
     repeat_show_week = fields.Boolean(compute='_compute_repeat_visibility')
     repeat_show_month = fields.Boolean(compute='_compute_repeat_visibility')
 
+    @api.constrains('depend_on_ids')
+    def _check_no_cyclic_dependencies(self):
+        if not self._check_m2m_recursion('depend_on_ids'):
+            raise ValidationError(_("You cannot create cyclic dependency."))
+
     @api.model
     def _get_recurrence_fields(self):
         return ['repeat_interval', 'repeat_unit', 'repeat_type', 'repeat_until', 'repeat_number',
@@ -1155,7 +1165,7 @@ class Task(models.Model):
                 if task.project_id.partner_id:
                     task.partner_id = task.project_id.partner_id
             else:
-                task.partner_id = task.project_id.partner_id or task.parent_id.partner_id 
+                task.partner_id = task.project_id.partner_id or task.parent_id.partner_id
 
     @api.depends('partner_id.email', 'parent_id.email_from')
     def _compute_email_from(self):
@@ -1376,6 +1386,16 @@ class Task(models.Model):
     # Actions
     # ------------
 
+    def action_open_task_form(self):
+        """ Opens the form view of the task """
+        return {
+            'view_mode': 'form',
+            'res_model': 'project.task',
+            'res_id': self.id,
+            'type': 'ir.actions.act_window',
+            'context': dict(self._context, create=False)
+        }
+
     def action_recurring_tasks(self):
         return {
             'name': 'Tasks in Recurrence',
diff --git a/addons/project/models/res_config_settings.py b/addons/project/models/res_config_settings.py
index ae12e7efb23..13d4837002a 100644
--- a/addons/project/models/res_config_settings.py
+++ b/addons/project/models/res_config_settings.py
@@ -12,22 +12,36 @@ class ResConfigSettings(models.TransientModel):
     group_subtask_project = fields.Boolean("Sub-tasks", implied_group="project.group_subtask_project")
     group_project_rating = fields.Boolean("Customer Ratings", implied_group='project.group_project_rating')
     group_project_recurring_tasks = fields.Boolean("Recurring Tasks", implied_group="project.group_project_recurring_tasks")
+    group_project_task_dependencies = fields.Boolean("Task Dependencies", implied_group="project.group_project_task_dependencies")
+
+    @api.model
+    def _get_basic_project_domain(self):
+        return []
 
     def set_values(self):
-
         # Ensure that settings on existing projects match the above fields
         projects = self.env["project.project"].search([])
-        features = (
-            # Pairs of associated (config_flag, project_flag)
-            ("group_subtask_project", "allow_subtasks"),
-            ("group_project_rating", "rating_active"),
-            ("group_project_recurring_tasks", "allow_recurring_tasks"),
-            )
-        for (config_flag, project_flag) in features:
-            config_flag_global = "project." + config_flag
-            config_feature_enabled = self[config_flag]
-            if (self.user_has_groups(config_flag_global)
-                    is not config_feature_enabled):
-                projects[project_flag] = config_feature_enabled
+        global_features = {  # key: config_flag, value: project_flag
+            "group_project_rating": "rating_active",
+            "group_project_recurring_tasks": "allow_recurring_tasks",
+        }
+        basic_project_features = {
+            "group_subtask_project": "allow_subtasks",
+            "group_project_task_dependencies": "allow_task_dependencies",
+        }
+        config_feature_vals = {config_flag: self[config_flag]
+                               for config_flag in global_features.keys() | basic_project_features.keys()}
+
+        def update_projects(projects, features):
+            for (config_flag, project_flag) in features.items():
+                config_flag_global = "project." + config_flag
+                config_feature_enabled = config_feature_vals[config_flag]
+                if self.user_has_groups(config_flag_global) != config_feature_enabled:
+                    projects[project_flag] = config_feature_enabled
+
+        # update for all projects
+        update_projects(projects, global_features)
+        # update for basic projects
+        update_projects(projects.filtered_domain(self._get_basic_project_domain()), basic_project_features)
 
         super(ResConfigSettings, self).set_values()
diff --git a/addons/project/security/project_security.xml b/addons/project/security/project_security.xml
index befca629ed6..0ad10c19e48 100644
--- a/addons/project/security/project_security.xml
+++ b/addons/project/security/project_security.xml
@@ -34,6 +34,11 @@
         <field name="category_id" ref="base.module_category_hidden"/>
     </record>
 
+    <record id="group_project_task_dependencies" model="res.groups">
+        <field name="name">Use Task Dependencies</field>
+        <field name="category_id" ref="base.module_category_hidden"/>
+    </record>
+
 <data noupdate="1">
     <record id="base.default_user" model="res.users">
         <field name="groups_id" eval="[(4,ref('project.group_project_manager'))]"/>
diff --git a/addons/project/static/src/scss/project_form.scss b/addons/project/static/src/scss/project_form.scss
new file mode 100644
index 00000000000..b81797fde42
--- /dev/null
+++ b/addons/project/static/src/scss/project_form.scss
@@ -0,0 +1,3 @@
+.o_form_project_tasks div.o_field_many2many[name=depend_on_ids] tr.o_selected_row td.o_list_button {
+    background-color: $table-border-color !important;
+}
diff --git a/addons/project/tests/__init__.py b/addons/project/tests/__init__.py
index d5c89ac7b9d..0be5e1c075d 100644
--- a/addons/project/tests/__init__.py
+++ b/addons/project/tests/__init__.py
@@ -7,3 +7,4 @@ from . import test_project_flow
 from . import test_project_recurrence
 from . import test_project_ui
 from . import test_multicompany
+from . import test_task_dependencies
diff --git a/addons/project/tests/test_task_dependencies.py b/addons/project/tests/test_task_dependencies.py
new file mode 100644
index 00000000000..42eda7fecb2
--- /dev/null
+++ b/addons/project/tests/test_task_dependencies.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+
+from odoo.fields import Command
+from odoo.exceptions import ValidationError
+from odoo.tests import tagged
+
+from odoo.addons.project.tests.test_project_base import TestProjectCommon
+
+
+@tagged('-at_install', 'post_install', 'task_dependencies')
+class TestTaskDependencies(TestProjectCommon):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+        cls.project_pigs.write({
+            'allow_task_dependencies': True,
+        })
+        cls.task_3 = cls.env['project.task'].with_context({'mail_create_nolog': True}).create({
+            'name': 'Pigs UserTask 2',
+            'user_id': cls.user_projectuser.id,
+            'project_id': cls.project_pigs.id,
+        })
+
+    def test_task_dependencies(self):
+        """ Test the task dependencies feature
+
+            Test Case:
+            =========
+            1) Add task2 as dependency in task1
+            2) Checks if the task1 has the task in depend_on_ids field.
+        """
+        self.assertEqual(len(self.task_1.depend_on_ids), 0, "The task 1 should not have any dependency.")
+        self.task_1.write({
+            'depend_on_ids': [Command.link(self.task_2.id)],
+        })
+        self.assertEqual(len(self.task_1.depend_on_ids), 1, "The task 1 should have a dependency.")
+        self.task_1.write({
+            'depend_on_ids': [Command.link(self.task_3.id)],
+        })
+        self.assertEqual(len(self.task_1.depend_on_ids), 2, "The task 1 should have two dependencies.")
+
+    def test_cyclic_dependencies(self):
+        """ Test the cyclic dependencies
+
+            Test Case:
+            =========
+            1) Check initial setting on three tasks
+            2) Add task2 as dependency in task1
+            3) Add task3 as dependency in task2
+            4) Add task1 as dependency in task3 and check a validation error is raised
+            5) Add task1 as dependency in task2 and check a validation error is raised
+        """
+        # 1) Check initial setting on three tasks
+        self.assertTrue(
+            len(self.task_1.depend_on_ids) == len(self.task_2.depend_on_ids) == len(self.task_3.depend_on_ids) == 0,
+            "The three tasks should depend on no tasks.")
+        self.assertTrue(self.task_1.allow_task_dependencies, 'The task dependencies feature should be enable.')
+        self.assertTrue(self.task_2.allow_task_dependencies, 'The task dependencies feature should be enable.')
+        self.assertTrue(self.task_3.allow_task_dependencies, 'The task dependencies feature should be enable.')
+
+        # 2) Add task2 as dependency in task1
+        self.task_1.write({
+            'depend_on_ids': [Command.link(self.task_2.id)],
+        })
+        self.assertEqual(len(self.task_1.depend_on_ids), 1, 'The task 1 should have one dependency.')
+
+        # 3) Add task3 as dependency in task2
+        self.task_2.write({
+            'depend_on_ids': [Command.link(self.task_3.id)],
+        })
+        self.assertEqual(len(self.task_2.depend_on_ids), 1, "The task 2 should have one dependency.")
+
+        # 4) Add task1 as dependency in task3 and check a validation error is raised
+        with self.assertRaises(ValidationError), self.cr.savepoint():
+            self.task_3.write({
+                'depend_on_ids': [Command.link(self.task_1.id)],
+            })
+        self.assertEqual(len(self.task_3.depend_on_ids), 0, "The dependency should not be added in the task 3 because of a cyclic dependency.")
+
+        # 5) Add task1 as dependency in task2 and check a validation error is raised
+        with self.assertRaises(ValidationError), self.cr.savepoint():
+            self.task_2.write({
+                'depend_on_ids': [Command.link(self.task_1.id)],
+            })
+        self.assertEqual(len(self.task_2.depend_on_ids), 1, "The number of dependencies should no change in the task 2 because of a cyclic dependency.")
diff --git a/addons/project/views/project_assets.xml b/addons/project/views/project_assets.xml
index 76c047170b5..fdec23a8dfd 100644
--- a/addons/project/views/project_assets.xml
+++ b/addons/project/views/project_assets.xml
@@ -11,6 +11,7 @@
                 <script type="text/javascript" src="/project/static/src/js/tours/project.js"></script>
                 <script type="text/javascript" src="/project/static/src/js/project_calendar.js"></script>
                 <link rel="stylesheet" type="text/scss" href="/project/static/src/scss/project_dashboard.scss"/>
+                <link rel="stylesheet" type="text/scss" href="/project/static/src/scss/project_form.scss"/>
             </xpath>
         </template>
 
diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index 06b5950f5d5..9befe1fba42 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -383,6 +383,17 @@
                                         </div>
                                     </div>
                                 </div>
+                                <div class="col-lg-6 o_setting_box" id="task_dependencies_setting" groups="project.group_project_task_dependencies">
+                                    <div class="o_setting_left_pane">
+                                        <field name="allow_task_dependencies"/>
+                                    </div>
+                                    <div class="o_setting_right_pane">
+                                        <label for="allow_task_dependencies"/>
+                                        <div class="text-muted">
+                                            Determine the order in which to perform tasks
+                                        </div>
+                                    </div>
+                                </div>
                             </div>
                         </page>
                     </notebook>
@@ -649,6 +660,7 @@
                     <field name="repeat_show_week" invisible="1" />
                     <field name="repeat_show_month" invisible="1" />
                     <field name="recurrence_id" invisible="1" />
+                    <field name="allow_task_dependencies" invisible="1" />
                     <header>
                         <button name="action_assign_to_me" string="Assign to Me" type="object" class="oe_highlight"
                             attrs="{'invisible' : [('user_id', '!=', False)]}"/>
@@ -787,6 +799,23 @@
                                 </group>
                             </group>
                         </page>
+                        <page name="task_dependencies" string="Blocked By" attrs="{'invisible': [('allow_task_dependencies', '=', False)]}" groups="project.group_project_task_dependencies">
+                            <field name="depend_on_ids" nolabel="1">
+                                <tree editable="bottom">
+                                    <field name="is_closed" invisible="1" />
+                                    <field name="name" />
+                                    <field name="project_id" optional="hide" />
+                                    <field name="user_id" widget="many2one_avatar_user" optional="show"/>
+                                    <field name="company_id" optional="hide" groups="base.group_multi_company" />
+                                    <field name="activity_ids" widget="list_activity" optional="hide"/>
+                                    <field name="date_deadline" attrs="{'invisible': [('is_closed', '=', True)]}" optional="show" />
+                                    <field name="tag_ids" widget="many2many_tags" options="{'color_field': 'color'}" optional="hide"/>
+                                    <field name="kanban_state" widget="state_selection" optional="hide" />
+                                    <field name="stage_id" optional="show" />
+                                    <button class="oe_link float-right" string="View Task" name="action_open_task_form" type="object"/>
+                                </tree>
+                            </field>
+                        </page>
                     </notebook>
                     </sheet>
                     <div class="oe_chatter">
diff --git a/addons/project/views/res_config_settings_views.xml b/addons/project/views/res_config_settings_views.xml
index 2e2164e0f43..d7191c9e9c6 100644
--- a/addons/project/views/res_config_settings_views.xml
+++ b/addons/project/views/res_config_settings_views.xml
@@ -59,6 +59,17 @@
                                     </div>
                                 </div>
                             </div>
+                            <div class="col-12 col-lg-6 o_setting_box" id="task_dependencies_setting">
+                                <div class="o_setting_left_pane">
+                                    <field name="group_project_task_dependencies"/>
+                                </div>
+                                <div class="o_setting_right_pane">
+                                    <label for="group_project_task_dependencies"/>
+                                    <div class="text-muted">
+                                        Determine the order in which to perform tasks
+                                    </div>
+                                </div>
+                            </div>
                         </div>
                         <h2>Time Management</h2>
                         <div class="row mt16 o_settings_container" name="project_time">
diff --git a/addons/sale_timesheet/views/project_task_views.xml b/addons/sale_timesheet/views/project_task_views.xml
index d74694ec902..ac8c029cb46 100644
--- a/addons/sale_timesheet/views/project_task_views.xml
+++ b/addons/sale_timesheet/views/project_task_views.xml
@@ -40,17 +40,15 @@
                     </field>
                 </page>
             </xpath>
-            <xpath expr="//div[@id='timesheet_settings']/.." position="after">
-                <div class="row mt16 o_settings_container">
-                    <div class="col-lg-6 o_setting_box" id="allow_billable_container">
-                        <div class="o_setting_left_pane">
-                            <field name="allow_billable"/>
-                        </div>
-                        <div class="o_setting_right_pane">
-                            <label for="allow_billable"/>
-                            <div class="text-muted" id="allow_billable_setting">
-                                Invoice your time and material to customers
-                            </div>
+            <xpath expr="//div[@id='timesheet_settings']" position="after">
+                <div class="col-lg-6 o_setting_box" id="allow_billable_container">
+                    <div class="o_setting_left_pane">
+                        <field name="allow_billable"/>
+                    </div>
+                    <div class="o_setting_right_pane">
+                        <label for="allow_billable"/>
+                        <div class="text-muted" id="allow_billable_setting">
+                            Invoice your time and material to customers
                         </div>
                     </div>
                 </div>