diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 00000000000..0e55d253be9
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,6 @@
+version: 2
+formats: all
+sphinx:
+  configuration: docs/conf.py
+python:
+  requirements: requirements.txt
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index deae5c420dc..49af8daf309 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,61 @@
+Version 2.8.1
+-------------
+
+:Date: November 06, 2018
+
+* `@ericholscher <http://github.com/ericholscher>`__: Fix migration name on modified date migration (`#4867 <https://github.com/rtfd/readthedocs.org/pull/4867>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Change 'VerisionLockedTimeout' to 'VersionLockedError' in comment. (`#4859 <https://github.com/rtfd/readthedocs.org/pull/4859>`__)
+* `@stsewd <http://github.com/stsewd>`__: Fix rtd config file (`#4857 <https://github.com/rtfd/readthedocs.org/pull/4857>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Shorten project name to match slug length (`#4856 <https://github.com/rtfd/readthedocs.org/pull/4856>`__)
+* `@stsewd <http://github.com/stsewd>`__: Generic message for parser error of config file (`#4853 <https://github.com/rtfd/readthedocs.org/pull/4853>`__)
+* `@stsewd <http://github.com/stsewd>`__: Use $HOME as CWD for virtualenv creation (`#4852 <https://github.com/rtfd/readthedocs.org/pull/4852>`__)
+* `@stsewd <http://github.com/stsewd>`__: Hide "edit on" when the version is a tag (`#4851 <https://github.com/rtfd/readthedocs.org/pull/4851>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Add modified_date to ImportedFile. (`#4850 <https://github.com/rtfd/readthedocs.org/pull/4850>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Use raw_id_fields so that the Feature admin loads (`#4849 <https://github.com/rtfd/readthedocs.org/pull/4849>`__)
+* `@stsewd <http://github.com/stsewd>`__: Allow to change project's VCS (`#4845 <https://github.com/rtfd/readthedocs.org/pull/4845>`__)
+* `@benjaoming <http://github.com/benjaoming>`__: Version compare warning text (`#4842 <https://github.com/rtfd/readthedocs.org/pull/4842>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Make form for adopting project a choice field (`#4841 <https://github.com/rtfd/readthedocs.org/pull/4841>`__)
+* `@humitos <http://github.com/humitos>`__: Do not send notification on VersionLockedError (`#4839 <https://github.com/rtfd/readthedocs.org/pull/4839>`__)
+* `@stsewd <http://github.com/stsewd>`__: Start testing config v2 on our project (`#4838 <https://github.com/rtfd/readthedocs.org/pull/4838>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Add all migrations that are missing from model changes (`#4837 <https://github.com/rtfd/readthedocs.org/pull/4837>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Add docstring to DrfJsonSerializer so we know why it's there (`#4836 <https://github.com/rtfd/readthedocs.org/pull/4836>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Show the project's slug in the dashboard (`#4834 <https://github.com/rtfd/readthedocs.org/pull/4834>`__)
+* `@humitos <http://github.com/humitos>`__: Avoid infinite redirection (`#4833 <https://github.com/rtfd/readthedocs.org/pull/4833>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Allow filtering builds by commit. (`#4831 <https://github.com/rtfd/readthedocs.org/pull/4831>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Add 'Branding' under the 'Business Info' section and 'Guidelines' on 'Design Docs' (`#4830 <https://github.com/rtfd/readthedocs.org/pull/4830>`__)
+* `@davidfischer <http://github.com/davidfischer>`__: Migrate old passwords without "set_unusable_password" (`#4829 <https://github.com/rtfd/readthedocs.org/pull/4829>`__)
+* `@humitos <http://github.com/humitos>`__: Do not import the Celery worker when running the Django app (`#4824 <https://github.com/rtfd/readthedocs.org/pull/4824>`__)
+* `@damianz5 <http://github.com/damianz5>`__: Fix for jQuery in doc-embed call (`#4819 <https://github.com/rtfd/readthedocs.org/pull/4819>`__)
+* `@invinciblycool <http://github.com/invinciblycool>`__: Add MkDocsYAMLParseError (`#4814 <https://github.com/rtfd/readthedocs.org/pull/4814>`__)
+* `@stsewd <http://github.com/stsewd>`__: Delete untracked tags on fetch (`#4811 <https://github.com/rtfd/readthedocs.org/pull/4811>`__)
+* `@stsewd <http://github.com/stsewd>`__: Don't activate version on build (`#4810 <https://github.com/rtfd/readthedocs.org/pull/4810>`__)
+* `@humitos <http://github.com/humitos>`__: Feature flag to make `readthedocs` theme default on MkDocs docs (`#4802 <https://github.com/rtfd/readthedocs.org/pull/4802>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Allow use of `file://` urls in repos during development. (`#4801 <https://github.com/rtfd/readthedocs.org/pull/4801>`__)
+* `@ericholscher <http://github.com/ericholscher>`__: Release 2.7.2 (`#4796 <https://github.com/rtfd/readthedocs.org/pull/4796>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Raise 404 at SubdomainMiddleware if the project does not exist. (`#4795 <https://github.com/rtfd/readthedocs.org/pull/4795>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Add help_text in the form for adopting a project (`#4781 <https://github.com/rtfd/readthedocs.org/pull/4781>`__)
+* `@humitos <http://github.com/humitos>`__: Add VAT ID field for Gold User (`#4776 <https://github.com/rtfd/readthedocs.org/pull/4776>`__)
+* `@sriks123 <http://github.com/sriks123>`__: Remove logic around finding config file inside directories (`#4755 <https://github.com/rtfd/readthedocs.org/pull/4755>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Improve unexpected error message when build fails (`#4754 <https://github.com/rtfd/readthedocs.org/pull/4754>`__)
+* `@stsewd <http://github.com/stsewd>`__: Don't build latest on webhook if it is deactivated (`#4733 <https://github.com/rtfd/readthedocs.org/pull/4733>`__)
+* `@dojutsu-user <http://github.com/dojutsu-user>`__: Change the way of using login_required decorator (`#4723 <https://github.com/rtfd/readthedocs.org/pull/4723>`__)
+* `@invinciblycool <http://github.com/invinciblycool>`__: Remove unused views and their translations. (`#4632 <https://github.com/rtfd/readthedocs.org/pull/4632>`__)
+* `@invinciblycool <http://github.com/invinciblycool>`__: Redirect to build detail post manual build (`#4622 <https://github.com/rtfd/readthedocs.org/pull/4622>`__)
+* `@anubhavsinha98 <http://github.com/anubhavsinha98>`__: Issue #4551 Changed mock docks to use sphinx (`#4569 <https://github.com/rtfd/readthedocs.org/pull/4569>`__)
+* `@xrmx <http://github.com/xrmx>`__: search: mark more strings for translation (`#4438 <https://github.com/rtfd/readthedocs.org/pull/4438>`__)
+* `@Alig1493 <http://github.com/Alig1493>`__: Fix for issue #4092: Remove unused field from Project model (`#4431 <https://github.com/rtfd/readthedocs.org/pull/4431>`__)
+* `@mashrikt <http://github.com/mashrikt>`__: Remove pytest _describe (`#4429 <https://github.com/rtfd/readthedocs.org/pull/4429>`__)
+* `@xrmx <http://github.com/xrmx>`__: static: use modern getJSON callbacks (`#4382 <https://github.com/rtfd/readthedocs.org/pull/4382>`__)
+* `@jaraco <http://github.com/jaraco>`__: Script for creating a project (`#4370 <https://github.com/rtfd/readthedocs.org/pull/4370>`__)
+* `@xrmx <http://github.com/xrmx>`__: make it easier to use a different default theme (`#4278 <https://github.com/rtfd/readthedocs.org/pull/4278>`__)
+* `@humitos <http://github.com/humitos>`__: Document alternate domains for business site (`#4271 <https://github.com/rtfd/readthedocs.org/pull/4271>`__)
+* `@xrmx <http://github.com/xrmx>`__: restapi/client: don't use DRF parser for parsing (`#4160 <https://github.com/rtfd/readthedocs.org/pull/4160>`__)
+* `@julienmalard <http://github.com/julienmalard>`__: New languages (`#3759 <https://github.com/rtfd/readthedocs.org/pull/3759>`__)
+* `@stsewd <http://github.com/stsewd>`__: Improve installation guide (`#3631 <https://github.com/rtfd/readthedocs.org/pull/3631>`__)
+* `@stsewd <http://github.com/stsewd>`__: Allow to hide version warning (`#3595 <https://github.com/rtfd/readthedocs.org/pull/3595>`__)
+* `@Alig1493 <http://github.com/Alig1493>`__: [Fixed #872] Filter Builds according to commit (`#3544 <https://github.com/rtfd/readthedocs.org/pull/3544>`__)
+* `@stsewd <http://github.com/stsewd>`__: Make slug field a valid DNS label (`#3464 <https://github.com/rtfd/readthedocs.org/pull/3464>`__)
+
 Version 2.8.0
 -------------
 
diff --git a/readthedocs/builds/models.py b/readthedocs/builds/models.py
index ffd15ee6844..ec2825e44e4 100644
--- a/readthedocs/builds/models.py
+++ b/readthedocs/builds/models.py
@@ -2,36 +2,55 @@
 """Models for the builds app."""
 
 from __future__ import (
-    absolute_import, division, print_function, unicode_literals)
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
 
 import logging
 import os.path
 import re
-from builtins import object
 from shutil import rmtree
 
+from builtins import object
 from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
+from django.utils.translation import ugettext_lazy as _
 from guardian.shortcuts import assign
 from taggit.managers import TaggableManager
 
 from readthedocs.core.utils import broadcast
 from readthedocs.projects.constants import (
-    BITBUCKET_URL, GITHUB_URL, GITLAB_URL, PRIVACY_CHOICES, PRIVATE)
+    BITBUCKET_URL,
+    GITHUB_URL,
+    GITLAB_URL,
+    PRIVACY_CHOICES,
+    PRIVATE,
+)
 from readthedocs.projects.models import APIProject, Project
 
 from .constants import (
-    BRANCH, BUILD_STATE, BUILD_STATE_FINISHED, BUILD_TYPES, LATEST,
-    NON_REPOSITORY_VERSIONS, STABLE, TAG, VERSION_TYPES)
+    BRANCH,
+    BUILD_STATE,
+    BUILD_STATE_FINISHED,
+    BUILD_TYPES,
+    LATEST,
+    NON_REPOSITORY_VERSIONS,
+    STABLE,
+    TAG,
+    VERSION_TYPES,
+)
 from .managers import VersionManager
 from .querysets import BuildQuerySet, RelatedBuildQuerySet, VersionQuerySet
 from .utils import (
-    get_bitbucket_username_repo, get_github_username_repo,
-    get_gitlab_username_repo)
+    get_bitbucket_username_repo,
+    get_github_username_repo,
+    get_gitlab_username_repo,
+)
 from .version_slug import VersionSlugField
 
 DEFAULT_VERSION_PRIVACY_LEVEL = getattr(
@@ -193,6 +212,10 @@ def identifier_friendly(self):
             return self.identifier[:8]
         return self.identifier
 
+    @property
+    def is_editable(self):
+        return self.type == BRANCH
+
     def get_subdomain_url(self):
         private = self.privacy_level == PRIVATE
         return self.project.get_docs_url(
diff --git a/readthedocs/builds/views.py b/readthedocs/builds/views.py
index 473db6ac245..d8a9e7d45c5 100644
--- a/readthedocs/builds/views.py
+++ b/readthedocs/builds/views.py
@@ -1,26 +1,33 @@
+# -*- coding: utf-8 -*-
+
 """Views for builds app."""
 
-from __future__ import absolute_import
-from builtins import object
+from __future__ import (
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
+
 import logging
 
-from django.shortcuts import get_object_or_404
-from django.views.generic import ListView, DetailView
+from builtins import object
+from django.contrib.auth.decorators import login_required
+from django.core.urlresolvers import reverse
 from django.http import (
     HttpResponseForbidden,
     HttpResponsePermanentRedirect,
     HttpResponseRedirect,
 )
-from django.contrib.auth.decorators import login_required
-from readthedocs.core.permissions import AdminPermission
-from django.core.urlresolvers import reverse
+from django.shortcuts import get_object_or_404
 from django.utils.decorators import method_decorator
+from django.views.generic import DetailView, ListView
 
 from readthedocs.builds.models import Build, Version
+from readthedocs.core.permissions import AdminPermission
 from readthedocs.core.utils import trigger_build
 from readthedocs.projects.models import Project
 
-
 log = logging.getLogger(__name__)
 
 
@@ -31,9 +38,11 @@ def get_queryset(self):
         self.project_slug = self.kwargs.get('project_slug', None)
         self.project = get_object_or_404(
             Project.objects.protected(self.request.user),
-            slug=self.project_slug
+            slug=self.project_slug,
+        )
+        queryset = Build.objects.public(
+            user=self.request.user, project=self.project
         )
-        queryset = Build.objects.public(user=self.request.user, project=self.project)
 
         return queryset
 
@@ -54,8 +63,10 @@ def post(self, request, project_slug):
             slug=version_slug,
         )
 
-        trigger_build(project=project, version=version)
-        return HttpResponseRedirect(reverse('builds_project_list', args=[project.slug]))
+        _, build = trigger_build(project=project, version=version)
+        return HttpResponseRedirect(
+            reverse('builds_detail', args=[project.slug, build.pk]),
+        )
 
 
 class BuildList(BuildBase, BuildTriggerMixin, ListView):
@@ -63,11 +74,14 @@ class BuildList(BuildBase, BuildTriggerMixin, ListView):
     def get_context_data(self, **kwargs):
         context = super(BuildList, self).get_context_data(**kwargs)
 
-        active_builds = self.get_queryset().exclude(state="finished").values('id')
+        active_builds = self.get_queryset().exclude(state='finished'
+                                                    ).values('id')
 
         context['project'] = self.project
         context['active_builds'] = active_builds
-        context['versions'] = Version.objects.public(user=self.request.user, project=self.project)
+        context['versions'] = Version.objects.public(
+            user=self.request.user, project=self.project
+        )
         context['build_qs'] = self.get_queryset()
 
         return context
@@ -84,9 +98,14 @@ def get_context_data(self, **kwargs):
 
 # Old build view redirects
 
+
 def builds_redirect_list(request, project_slug):  # pylint: disable=unused-argument
-    return HttpResponsePermanentRedirect(reverse('builds_project_list', args=[project_slug]))
+    return HttpResponsePermanentRedirect(
+        reverse('builds_project_list', args=[project_slug])
+    )
 
 
 def builds_redirect_detail(request, project_slug, pk):  # pylint: disable=unused-argument
-    return HttpResponsePermanentRedirect(reverse('builds_detail', args=[project_slug, pk]))
+    return HttpResponsePermanentRedirect(
+        reverse('builds_detail', args=[project_slug, pk])
+    )
diff --git a/readthedocs/core/admin.py b/readthedocs/core/admin.py
index 5dbc3335dd9..b30f5460484 100644
--- a/readthedocs/core/admin.py
+++ b/readthedocs/core/admin.py
@@ -1,12 +1,13 @@
 """Django admin interface for core models."""
 
 from __future__ import absolute_import
-from datetime import datetime, timedelta
+from datetime import timedelta
 
 from django.contrib import admin
 from django.contrib.auth.models import User
 from django.contrib.auth.admin import UserAdmin
 from django.utils.translation import ugettext_lazy as _
+from django.utils import timezone
 
 from readthedocs.core.models import UserProfile
 from readthedocs.projects.models import Project
@@ -50,7 +51,7 @@ def queryset(self, request, queryset):
         if self.value() == self.PROJECT_BUILT:
             return queryset.filter(projects__versions__built=True)
         if self.value() == self.PROJECT_RECENT:
-            recent_date = datetime.today() - timedelta(days=365)
+            recent_date = timezone.now() - timedelta(days=365)
             return queryset.filter(projects__builds__date__gt=recent_date)
 
 
diff --git a/readthedocs/core/fixtures/eric.json b/readthedocs/core/fixtures/eric.json
index c380e1cf5c5..8feffdce467 100644
--- a/readthedocs/core/fixtures/eric.json
+++ b/readthedocs/core/fixtures/eric.json
@@ -9,12 +9,12 @@
             "is_active": true,
             "is_superuser": false,
             "is_staff": true,
-            "last_login": "2010-08-14 01:51:05",
+            "last_login": "2010-08-14T01:51:05+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "pbkdf2_sha256$30000$Vs87OlKZEzCb$nUw1o5pGQw7ff/QhnleSpUOupBaT1DogZrVaoZyQRyc=",
             "email": "e@e.co",
-            "date_joined": "2010-08-14 01:50:58"
+            "date_joined": "2010-08-14T01:50:58+00:00"
         }
     },
     {
@@ -27,12 +27,12 @@
             "is_active": true,
             "is_superuser": false,
             "is_staff": true,
-            "last_login": "2010-08-14 01:51:05",
+            "last_login": "2010-08-14T01:51:05+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "pbkdf2_sha256$30000$Vs87OlKZEzCb$nUw1o5pGQw7ff/QhnleSpUOupBaT1DogZrVaoZyQRyc=",
             "email": "e@etest.co",
-            "date_joined": "2010-08-14 01:50:58"
+            "date_joined": "2010-08-14T01:50:58+00:00"
         }
     },
     {
@@ -45,12 +45,12 @@
             "is_active": true,
             "is_superuser": true,
             "is_staff": true,
-            "last_login": "2010-08-14 01:51:05",
+            "last_login": "2010-08-14T01:51:05+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "pbkdf2_sha256$30000$Vs87OlKZEzCb$nUw1o5pGQw7ff/QhnleSpUOupBaT1DogZrVaoZyQRyc=",
             "email": "e@e.co",
-            "date_joined": "2010-08-14 01:50:58"
+            "date_joined": "2010-08-14T01:50:58+00:00"
         }
     }
 ]
diff --git a/readthedocs/core/management/commands/clean_builds.py b/readthedocs/core/management/commands/clean_builds.py
index 93a3fada683..e47a651cf8a 100644
--- a/readthedocs/core/management/commands/clean_builds.py
+++ b/readthedocs/core/management/commands/clean_builds.py
@@ -1,12 +1,13 @@
 """Clean up stable build paths per project version"""
 
 from __future__ import absolute_import
-from datetime import datetime, timedelta
+from datetime import timedelta
 import logging
 from optparse import make_option
 
 from django.core.management.base import BaseCommand
 from django.db.models import Max
+from django.utils import timezone
 
 from readthedocs.builds.models import Build, Version
 
@@ -35,7 +36,7 @@ def add_arguments(self, parser):
 
     def handle(self, *args, **options):
         """Find stale builds and remove build paths"""
-        max_date = datetime.now() - timedelta(days=options['days'])
+        max_date = timezone.now() - timedelta(days=options['days'])
         queryset = (Build.objects
                     .values('project', 'version')
                     .annotate(max_date=Max('date'))
diff --git a/readthedocs/core/static/core/js/readthedocs-doc-embed.js b/readthedocs/core/static/core/js/readthedocs-doc-embed.js
index bdd9a1ec789..1e18228d393 100644
--- a/readthedocs/core/static/core/js/readthedocs-doc-embed.js
+++ b/readthedocs/core/static/core/js/readthedocs-doc-embed.js
@@ -1 +1 @@
-!function o(s,a,l){function d(t,e){if(!a[t]){if(!s[t]){var i="function"==typeof require&&require;if(!e&&i)return i(t,!0);if(c)return c(t,!0);var r=new Error("Cannot find module '"+t+"'");throw r.code="MODULE_NOT_FOUND",r}var n=a[t]={exports:{}};s[t][0].call(n.exports,function(e){return d(s[t][1][e]||e)},n,n.exports,o,s,a,l)}return a[t].exports}for(var c="function"==typeof require&&require,e=0;e<l.length;e++)d(l[e]);return d}({1:[function(e,t,i){var r="undefined"!=typeof window?window.jQuery:e("jquery");t.exports.ThemeNav={navBar:null,win:null,winScroll:!1,winResize:!1,linkScroll:!1,winPosition:0,winHeight:null,docHeight:null,isRunning:!1,enable:function(t){var i=this;"undefined"==typeof 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diff --git a/readthedocs/core/utils/__init__.py b/readthedocs/core/utils/__init__.py
index 4c22e38dde0..ea221c4149a 100644
--- a/readthedocs/core/utils/__init__.py
+++ b/readthedocs/core/utils/__init__.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+
 """Common utilty functions."""
 
 from __future__ import absolute_import
@@ -14,13 +15,11 @@
 from django.utils.functional import allow_lazy
 from django.utils.safestring import SafeText, mark_safe
 from django.utils.text import slugify as slugify_base
-from future.backports.urllib.parse import urlparse
 from celery import group, chord
 
 from readthedocs.builds.constants import LATEST, BUILD_STATE_TRIGGERED
 from readthedocs.doc_builder.constants import DOCKER_LIMITS
 
-
 log = logging.getLogger(__name__)
 
 SYNC_USER = getattr(settings, 'SYNC_USER', getpass.getuser())
@@ -40,9 +39,9 @@ def broadcast(type, task, args, kwargs=None, callback=None):  # pylint: disable=
         kwargs = {}
     default_queue = getattr(settings, 'CELERY_DEFAULT_QUEUE', 'celery')
     if type in ['web', 'app']:
-        servers = getattr(settings, "MULTIPLE_APP_SERVERS", [default_queue])
+        servers = getattr(settings, 'MULTIPLE_APP_SERVERS', [default_queue])
     elif type in ['build']:
-        servers = getattr(settings, "MULTIPLE_BUILD_SERVERS", [default_queue])
+        servers = getattr(settings, 'MULTIPLE_BUILD_SERVERS', [default_queue])
 
     tasks = []
     for server in servers:
@@ -71,7 +70,12 @@ def cname_to_slug(host):
 
 
 def prepare_build(
-        project, version=None, record=True, force=False, immutable=True):
+        project,
+        version=None,
+        record=True,
+        force=False,
+        immutable=True,
+):
     """
     Prepare a build in a Celery task for project and version.
 
@@ -132,11 +136,14 @@ def prepare_build(
     options['soft_time_limit'] = time_limit
     options['time_limit'] = int(time_limit * 1.2)
 
-    return update_docs_task.signature(
-        args=(project.pk,),
-        kwargs=kwargs,
-        options=options,
-        immutable=True,
+    return (
+        update_docs_task.signature(
+            args=(project.pk,),
+            kwargs=kwargs,
+            options=options,
+            immutable=True,
+        ),
+        build,
     )
 
 
@@ -151,9 +158,9 @@ def trigger_build(project, version=None, record=True, force=False):
     :param version: version of the project to be built. Default: ``latest``
     :param record: whether or not record the build in a new Build object
     :param force: build the HTML documentation even if the files haven't changed
-    :returns: Celery AsyncResult promise
+    :returns: A tuple (Celery AsyncResult promise, Task Signature from ``prepare_build``)
     """
-    update_docs_task = prepare_build(
+    update_docs_task, build = prepare_build(
         project,
         version,
         record,
@@ -165,11 +172,13 @@ def trigger_build(project, version=None, record=True, force=False):
         # Current project is skipped
         return None
 
-    return update_docs_task.apply_async()
+    return (update_docs_task.apply_async(), build)
 
 
-def send_email(recipient, subject, template, template_html, context=None,
-               request=None, from_email=None, **kwargs):  # pylint: disable=unused-argument
+def send_email(
+        recipient, subject, template, template_html, context=None, request=None,
+        from_email=None, **kwargs
+):  # pylint: disable=unused-argument
     """
     Alter context passed in and call email send task.
 
@@ -183,10 +192,14 @@ def send_email(recipient, subject, template, template_html, context=None,
     if context is None:
         context = {}
     context['uri'] = '{scheme}://{host}'.format(
-        scheme='https', host=settings.PRODUCTION_DOMAIN)
-    send_email_task.delay(recipient=recipient, subject=subject, template=template,
-                          template_html=template_html, context=context, from_email=from_email,
-                          **kwargs)
+        scheme='https',
+        host=settings.PRODUCTION_DOMAIN,
+    )
+    send_email_task.delay(
+        recipient=recipient, subject=subject, template=template,
+        template_html=template_html, context=context, from_email=from_email,
+        **kwargs
+    )
 
 
 def slugify(value, *args, **kwargs):
diff --git a/readthedocs/doc_builder/backends/mkdocs.py b/readthedocs/doc_builder/backends/mkdocs.py
index eaa388cad7b..6119673b8fa 100644
--- a/readthedocs/doc_builder/backends/mkdocs.py
+++ b/readthedocs/doc_builder/backends/mkdocs.py
@@ -15,7 +15,7 @@
 from django.template import loader as template_loader
 
 from readthedocs.doc_builder.base import BaseBuilder
-from readthedocs.doc_builder.exceptions import BuildEnvironmentError
+from readthedocs.doc_builder.exceptions import MkDocsYAMLParseError
 from readthedocs.projects.models import Feature
 
 log = logging.getLogger(__name__)
@@ -99,7 +99,7 @@ def load_yaml_config(self):
             if hasattr(exc, 'problem_mark'):
                 mark = exc.problem_mark
                 note = ' (line %d, column %d)' % (mark.line + 1, mark.column + 1)
-            raise BuildEnvironmentError(
+            raise MkDocsYAMLParseError(
                 'Your mkdocs.yml could not be loaded, '
                 'possibly due to a syntax error{note}'.format(note=note)
             )
diff --git a/readthedocs/doc_builder/backends/sphinx.py b/readthedocs/doc_builder/backends/sphinx.py
index 4dc29714218..3cfe5766dfe 100644
--- a/readthedocs/doc_builder/backends/sphinx.py
+++ b/readthedocs/doc_builder/backends/sphinx.py
@@ -108,6 +108,8 @@ def get_config_params(self):
             downloads = api.version(self.version.pk).get()['downloads']
 
         data = {
+            'html_theme': 'sphinx_rtd_theme',
+            'html_theme_import': 'sphinx_rtd_theme',
             'current_version': self.version.verbose_name,
             'project': self.project,
             'version': self.version,
diff --git a/readthedocs/doc_builder/environments.py b/readthedocs/doc_builder/environments.py
index 575dd1c76ed..038aeb0d834 100644
--- a/readthedocs/doc_builder/environments.py
+++ b/readthedocs/doc_builder/environments.py
@@ -37,7 +37,7 @@
 from .exceptions import (
     BuildEnvironmentCreationFailed, BuildEnvironmentError,
     BuildEnvironmentException, BuildEnvironmentWarning, BuildTimeoutError,
-    ProjectBuildsSkippedError, VersionLockedError, YAMLParseError)
+    ProjectBuildsSkippedError, VersionLockedError, YAMLParseError, MkDocsYAMLParseError)
 
 log = logging.getLogger(__name__)
 
@@ -438,6 +438,7 @@ class BuildEnvironment(BaseEnvironment):
         ProjectBuildsSkippedError,
         YAMLParseError,
         BuildTimeoutError,
+        MkDocsYAMLParseError
     )
 
     def __init__(self, project=None, version=None, build=None, config=None,
diff --git a/readthedocs/doc_builder/exceptions.py b/readthedocs/doc_builder/exceptions.py
index 7e303e25f78..ce2ce3d844b 100644
--- a/readthedocs/doc_builder/exceptions.py
+++ b/readthedocs/doc_builder/exceptions.py
@@ -7,7 +7,6 @@
 
 
 class BuildEnvironmentException(Exception):
-
     message = None
     status_code = None
 
@@ -21,7 +20,6 @@ def get_default_message(self):
 
 
 class BuildEnvironmentError(BuildEnvironmentException):
-
     GENERIC_WITH_BUILD_ID = ugettext_noop(
         'There was a problem with Read the Docs while building your documentation. '
         'Please try again later. '
@@ -31,32 +29,33 @@ class BuildEnvironmentError(BuildEnvironmentException):
 
 
 class BuildEnvironmentCreationFailed(BuildEnvironmentError):
-
     message = ugettext_noop('Build environment creation failed')
 
 
 class VersionLockedError(BuildEnvironmentError):
-
     message = ugettext_noop('Version locked, retrying in 5 minutes.')
     status_code = 423
 
 
 class ProjectBuildsSkippedError(BuildEnvironmentError):
-
     message = ugettext_noop('Builds for this project are temporarily disabled')
 
 
 class YAMLParseError(BuildEnvironmentError):
-
     GENERIC_WITH_PARSE_EXCEPTION = ugettext_noop(
-        'Problem parsing YAML configuration. {exception}',
+        'Problem in your project\'s configuration. {exception}',
     )
 
 
 class BuildTimeoutError(BuildEnvironmentError):
-
     message = ugettext_noop('Build exited due to time out')
 
 
 class BuildEnvironmentWarning(BuildEnvironmentException):
     pass
+
+
+class MkDocsYAMLParseError(BuildEnvironmentError):
+    GENERIC_WITH_PARSE_EXCEPTION = ugettext_noop(
+        'Problem parsing MkDocs YAML configuration. {exception}',
+    )
diff --git a/readthedocs/doc_builder/python_environments.py b/readthedocs/doc_builder/python_environments.py
index 7d3a4c0e86d..882a0ebbbc5 100644
--- a/readthedocs/doc_builder/python_environments.py
+++ b/readthedocs/doc_builder/python_environments.py
@@ -215,8 +215,10 @@ def setup_base(self):
             site_packages,
             '--no-download',
             env_path,
-            bin_path=None,  # Don't use virtualenv bin that doesn't exist yet
-            cwd=self.checkout_path,
+            # Don't use virtualenv bin that doesn't exist yet
+            bin_path=None,
+            # Don't use the project's root, some config files can interfere
+            cwd='$HOME',
         )
 
     def install_core_requirements(self):
diff --git a/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl b/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl
index 4017453caff..a5f0d064c2b 100644
--- a/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl
+++ b/readthedocs/doc_builder/templates/doc_builder/conf.py.tmpl
@@ -14,6 +14,7 @@
 #
 
 
+import importlib
 import sys
 import os.path
 from six import string_types
@@ -39,31 +40,23 @@ if os.path.exists('_static'):
 html_static_path.append('{{ static_path }}')
 
 # Add RTD Theme only if they aren't overriding it already
-using_rtd_theme = False
-if 'html_theme' in globals():
-    if html_theme in ['default']:
+using_rtd_theme = (
+    (
+        'html_theme' in globals() and
+        html_theme in ['default'] and
         # Allow people to bail with a hack of having an html_style
-        if not 'html_style' in globals():
-            import sphinx_rtd_theme
-            html_theme = 'sphinx_rtd_theme'
-            html_style = None
-            html_theme_options = {}
-            if 'html_theme_path' in globals():
-                html_theme_path.append(sphinx_rtd_theme.get_html_theme_path())
-            else:
-                html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-
-            using_rtd_theme = True
-else:
-    import sphinx_rtd_theme
-    html_theme = 'sphinx_rtd_theme'
+        'html_style' not in globals()
+    ) or 'html_theme' not in globals()
+)
+if using_rtd_theme:
+    theme = importlib.import_module('{{ html_theme_import }}')
+    html_theme = '{{ html_theme }}'
     html_style = None
     html_theme_options = {}
     if 'html_theme_path' in globals():
-        html_theme_path.append(sphinx_rtd_theme.get_html_theme_path())
+        html_theme_path.append(theme.get_html_theme_path())
     else:
-        html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-    using_rtd_theme = True
+        html_theme_path = [theme.get_html_theme_path()]
 
 if globals().get('websupport2_base_url', False):
     websupport2_base_url = '{{ api_host }}/websupport'
diff --git a/readthedocs/oauth/services/base.py b/readthedocs/oauth/services/base.py
index 01239f4cbdf..93064779ef9 100644
--- a/readthedocs/oauth/services/base.py
+++ b/readthedocs/oauth/services/base.py
@@ -11,6 +11,7 @@
 from allauth.socialaccount.providers import registry
 from builtins import object
 from django.conf import settings
+from django.utils import timezone
 from oauthlib.oauth2.rfc6749.errors import InvalidClientIdError
 from requests.exceptions import RequestException
 from requests_oauthlib import OAuth2Session
@@ -83,7 +84,7 @@ def create_session(self):
             'token_type': 'bearer',
         }
         if token.expires_at is not None:
-            token_expires = (token.expires_at - datetime.now()).total_seconds()
+            token_expires = (token.expires_at - timezone.now()).total_seconds()
             token_config.update({
                 'refresh_token': token.token_secret,
                 'expires_in': token_expires,
@@ -119,7 +120,9 @@ def token_updater(self, token):
         """
         def _updater(data):
             token.token = data['access_token']
-            token.expires_at = datetime.fromtimestamp(data['expires_at'])
+            token.expires_at = timezone.make_aware(
+                datetime.fromtimestamp(data['expires_at'])
+            )
             token.save()
             log.info('Updated token %s:', token)
 
diff --git a/readthedocs/projects/fixtures/test_auth.json b/readthedocs/projects/fixtures/test_auth.json
index f76181fb96f..83d7738406e 100644
--- a/readthedocs/projects/fixtures/test_auth.json
+++ b/readthedocs/projects/fixtures/test_auth.json
@@ -675,12 +675,12 @@
             "is_active": true,
             "is_superuser": false,
             "is_staff": false,
-            "last_login": "2014-02-09T19:47:26.625",
+            "last_login": "2014-02-09T19:47:26.625+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "",
             "email": "",
-            "date_joined": "2014-02-09T19:47:26.625"
+            "date_joined": "2014-02-09T19:47:26.625+00:00"
         }
     },
     {
@@ -693,12 +693,12 @@
             "is_active": true,
             "is_superuser": true,
             "is_staff": true,
-            "last_login": "2014-02-09T19:48:39.934",
+            "last_login": "2014-02-09T19:48:39.934+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "pbkdf2_sha256$10000$FgAANNnclCS5$ElbS6laaFoh+nyHbEb96ICxS3xK1LioUS+CMQK+KdYM=",
             "email": "test@readthedocs.org",
-            "date_joined": "2014-02-09T19:48:39.934"
+            "date_joined": "2014-02-09T19:48:39.934+00:00"
         }
     }
 ]
\ No newline at end of file
diff --git a/readthedocs/projects/fixtures/test_data.json b/readthedocs/projects/fixtures/test_data.json
index c2315af839f..3f7099febf2 100644
--- a/readthedocs/projects/fixtures/test_data.json
+++ b/readthedocs/projects/fixtures/test_data.json
@@ -3,15 +3,15 @@
         "pk": 1,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 14:36:46",
+            "modified_date": "2010-08-15T14:36:46+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/rtfd/readthedocs.org",
             "version": "0.1",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 01:37:58",
+        1
+        ],
+            "pub_date": "2010-08-14T01:37:58+00:00",
             "slug": "read-the-docs",
             "name": "Read The Docs"
         }
@@ -20,15 +20,15 @@
         "pk": 22,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:23",
+            "modified_date": "2010-08-15T13:18:23+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/alex/django-taggit",
             "version": "0.8",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-15 13:04:19",
+        1
+        ],
+            "pub_date": "2010-08-15T13:04:19+00:00",
             "slug": "taggit",
             "name": "Taggit"
         }
@@ -37,15 +37,15 @@
         "pk": 6,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:23",
+            "modified_date": "2010-08-15T13:18:23+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/pypa/pip",
             "version": "",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 11:08:12",
+        1
+        ],
+            "pub_date": "2010-08-14T11:08:12+00:00",
             "slug": "pip",
             "name": "Pip"
         }
@@ -54,15 +54,15 @@
         "pk": 10,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:22",
+            "modified_date": "2010-08-15T13:18:22+00:00",
             "description": "Awesome forms!",
             "project_url": "",
             "repo": "https://github.com/pydanny/django-uni-form",
             "version": "0.7",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 13:34:59",
+        1
+        ],
+            "pub_date": "2010-08-14T13:34:59+00:00",
             "slug": "django-uni-form",
             "name": "Django Uni Form"
         }
@@ -71,15 +71,15 @@
         "pk": 9,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:21",
+            "modified_date": "2010-08-15T13:18:21+00:00",
             "description": "OMG API!",
             "project_url": "",
             "repo": "http://github.com/codysoyland/django-tastypie",
             "version": "0.8.2",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 13:16:35",
+        1
+        ],
+            "pub_date": "2010-08-14T13:16:35+00:00",
             "slug": "tastypie",
             "name": "Tastypie"
         }
@@ -88,15 +88,15 @@
         "pk": 8,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:20",
+            "modified_date": "2010-08-15T13:18:20+00:00",
             "description": "ZOMG HE'S COMING?!",
             "project_url": "",
             "repo": "https://github.com/ericholscher/django-kong",
             "version": "0.1",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 13:01:57",
+        1
+        ],
+            "pub_date": "2010-08-14T13:01:57+00:00",
             "slug": "kong",
             "name": "Kong"
         }
@@ -105,15 +105,15 @@
         "pk": 7,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:20",
+            "modified_date": "2010-08-15T13:18:20+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/worldcompany/djangoembed",
             "version": "",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 11:30:33",
+        1
+        ],
+            "pub_date": "2010-08-14T11:30:33+00:00",
             "slug": "djangoembed",
             "name": "Djangoembed"
         }
@@ -122,15 +122,15 @@
         "pk": 5,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:19",
+            "modified_date": "2010-08-15T13:18:19+00:00",
             "description": "",
             "project_url": "",
             "repo": "http://github.com/dmishe/django-south",
             "version": "0.7",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 10:59:47",
+        1
+        ],
+            "pub_date": "2010-08-14T10:59:47+00:00",
             "slug": "south",
             "name": "South"
         }
@@ -139,15 +139,15 @@
         "pk": 4,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:19",
+            "modified_date": "2010-08-15T13:18:19+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/fabric/fabric",
             "version": "0.1.0",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 08:00:49",
+        1
+        ],
+            "pub_date": "2010-08-14T08:00:49+00:00",
             "slug": "fabric",
             "name": "Fabric"
         }
@@ -156,15 +156,15 @@
         "pk": 14,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:18",
+            "modified_date": "2010-08-15T13:18:18+00:00",
             "description": "",
             "project_url": "",
             "repo": "http://github.com/coleifer/cue.git",
             "version": "0.1.0",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 23:19:49",
+        1
+        ],
+            "pub_date": "2010-08-14T23:19:49+00:00",
             "slug": "cue",
             "name": "Cue"
         }
@@ -173,15 +173,15 @@
         "pk": 16,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:17",
+            "modified_date": "2010-08-15T13:18:17+00:00",
             "description": "Awesome",
             "project_url": "",
             "repo": "http://github.com/pinax/pinax",
             "version": "0.9",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-15 00:12:14",
+        1
+        ],
+            "pub_date": "2010-08-15T00:12:14+00:00",
             "slug": "pinax",
             "name": "Pinax"
         }
@@ -190,15 +190,15 @@
         "pk": 2,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:16",
+            "modified_date": "2010-08-15T13:18:16+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/ericholscher/django-test-utils",
             "version": "0.2",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-14 02:16:35",
+        1
+        ],
+            "pub_date": "2010-08-14T02:16:35+00:00",
             "slug": "django-test-utils",
             "name": "Django Test Utils"
         }
@@ -278,27 +278,27 @@
             "is_active": true,
             "is_superuser": true,
             "is_staff": true,
-            "last_login": "2010-08-14 01:51:05",
+            "last_login": "2010-08-14T01:51:05+00:00",
             "groups": [],
             "user_permissions": [],
             "password": "pbkdf2_sha256$30000$Vs87OlKZEzCb$nUw1o5pGQw7ff/QhnleSpUOupBaT1DogZrVaoZyQRyc=",
             "email": "e@etest.co",
-            "date_joined": "2010-08-14 01:50:58"
+            "date_joined": "2010-08-14T01:50:58+00:00"
         }
     },
     {
         "pk": 17,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2010-08-15 13:18:14",
+            "modified_date": "2010-08-15T13:18:14+00:00",
             "description": "Awesome docs",
             "project_url": "",
             "repo": "https://github.com/toastdriven/django-haystack",
             "version": "1.1.0",
             "users": [
-		1
-	    ],
-            "pub_date": "2010-08-15 01:11:22",
+        1
+        ],
+            "pub_date": "2010-08-15T01:11:22+00:00",
             "slug": "haystack",
             "name": "Haystack"
         }
@@ -307,12 +307,12 @@
         "pk": 23,
         "model": "projects.project",
         "fields": {
-            "modified_date": "2014-09-10T11:58:01.277",
+            "modified_date": "2014-09-10T11:58:01.277+00:00",
             "description": "",
             "project_url": "",
             "repo": "https://github.com/bogususer/non-existing-repo",
             "version": "",
-            "pub_date": "2014-09-10 11:58:01",
+            "pub_date": "2014-09-10T11:58:01+00:00",
             "slug": "test_project",
             "name": "test_project"
         }
diff --git a/readthedocs/projects/migrations/0030_change-max-length-project-slug.py b/readthedocs/projects/migrations/0030_change-max-length-project-slug.py
new file mode 100644
index 00000000000..7e9b48da270
--- /dev/null
+++ b/readthedocs/projects/migrations/0030_change-max-length-project-slug.py
@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.16 on 2018-11-01 20:55
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+from django.db.models.functions import Length
+
+
+def forwards_func(apps, schema_editor):
+    max_length = 63
+    Project = apps.get_model('projects', 'Project')
+    projects_invalid_slug = (
+        Project
+        .objects
+        .annotate(slug_length=Length('slug'))
+        .filter(slug_length__gt=max_length)
+    )
+    for project in projects_invalid_slug:
+        project.slug = project.slug[:max_length]
+        project.save()
+
+    projects_invalid_name = (
+        Project
+        .objects
+        .annotate(name_length=Length('name'))
+        .filter(name_length__gt=max_length)
+    )
+    for project in projects_invalid_name:
+        project.name = project.name[:max_length]
+        project.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('projects', '0029_add_additional_languages'),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards_func),
+        migrations.AlterField(
+            model_name='project',
+            name='slug',
+            field=models.SlugField(max_length=63, unique=True, verbose_name='Slug'),
+        ),
+        migrations.AlterField(
+            model_name='project',
+            name='name',
+            field=models.CharField(max_length=63, verbose_name='Name'),
+        ),
+    ]
diff --git a/readthedocs/projects/migrations/0031_add_modified_date_importedfile.py b/readthedocs/projects/migrations/0031_add_modified_date_importedfile.py
new file mode 100644
index 00000000000..255da1c003a
--- /dev/null
+++ b/readthedocs/projects/migrations/0031_add_modified_date_importedfile.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.16 on 2018-11-01 14:37
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('projects', '0030_change-max-length-project-slug'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='importedfile',
+            name='modified_date',
+            field=models.DateTimeField(auto_now=True, verbose_name='Modified date'),
+        ),
+    ]
diff --git a/readthedocs/projects/models.py b/readthedocs/projects/models.py
index 9d5c3855f35..0ff520dd565 100644
--- a/readthedocs/projects/models.py
+++ b/readthedocs/projects/models.py
@@ -80,8 +80,9 @@ class Project(models.Model):
     # Generally from conf.py
     users = models.ManyToManyField(User, verbose_name=_('User'),
                                    related_name='projects')
-    name = models.CharField(_('Name'), max_length=255)
-    slug = models.SlugField(_('Slug'), max_length=255, unique=True)
+    # A DNS label can contain up to 63 characters.
+    name = models.CharField(_('Name'), max_length=63)
+    slug = models.SlugField(_('Slug'), max_length=63, unique=True)
     description = models.TextField(_('Description'), blank=True,
                                    help_text=_('The reStructuredText '
                                                'description of the project'))
@@ -943,6 +944,7 @@ class ImportedFile(models.Model):
     path = models.CharField(_('Path'), max_length=255)
     md5 = models.CharField(_('MD5 checksum'), max_length=255)
     commit = models.CharField(_('Commit'), max_length=255)
+    modified_date = models.DateTimeField(_('Modified date'), auto_now=True)
 
     def get_absolute_url(self):
         return resolve(project=self.project, version_slug=self.version.slug, filename=self.path)
diff --git a/readthedocs/projects/static/projects/js/tools.js b/readthedocs/projects/static/projects/js/tools.js
index 47ef4576bfc..ec4ff8a1f40 100644
--- a/readthedocs/projects/static/projects/js/tools.js
+++ b/readthedocs/projects/static/projects/js/tools.js
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/readthedocs/projects/tasks.py b/readthedocs/projects/tasks.py
index ccc6e00b050..5b8dbf7a40c 100644
--- a/readthedocs/projects/tasks.py
+++ b/readthedocs/projects/tasks.py
@@ -25,6 +25,7 @@
 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
+from django.utils import timezone
 from slumber.exceptions import HttpClientError
 
 from readthedocs.builds.constants import (
@@ -420,7 +421,7 @@ def run_setup(self, record=True):
             ))
 
             # Send notification to users only if the build didn't fail because
-            # of VerisionLockedTimeout: this exception occurs when a build is
+            # of VersionLockedError: this exception occurs when a build is
             # triggered before the previous one has finished (e.g. two webhooks,
             # one after the other)
             if not isinstance(self.setup_env.failure, VersionLockedError):
@@ -1280,7 +1281,7 @@ def finish_inactive_builds():
     time_limit = int(DOCKER_LIMITS['time'] * 1.2)
     delta = datetime.timedelta(seconds=time_limit)
     query = (~Q(state=BUILD_STATE_FINISHED) &
-             Q(date__lte=datetime.datetime.now() - delta))
+             Q(date__lte=timezone.now() - delta))
 
     builds_finished = 0
     builds = Build.objects.filter(query)[:50]
@@ -1290,7 +1291,7 @@ def finish_inactive_builds():
             custom_delta = datetime.timedelta(
                 seconds=int(build.project.container_time_limit),
             )
-            if build.date + custom_delta > datetime.datetime.now():
+            if build.date + custom_delta > timezone.now():
                 # Do not mark as FINISHED builds with a custom time limit that wasn't
                 # expired yet (they are still building the project version)
                 continue
diff --git a/readthedocs/projects/views/base.py b/readthedocs/projects/views/base.py
index 3db095f9eaf..c7323f9512b 100644
--- a/readthedocs/projects/views/base.py
+++ b/readthedocs/projects/views/base.py
@@ -5,12 +5,13 @@
 
 import logging
 from builtins import object
-from datetime import datetime, timedelta
+from datetime import timedelta
 
 from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404
+from django.utils import timezone
 
 from ..exceptions import ProjectSpamError
 from ..models import Project
@@ -101,7 +102,7 @@ def post(self, request, *args, **kwargs):
         try:
             return super(ProjectSpamMixin, self).post(request, *args, **kwargs)
         except ProjectSpamError:
-            date_maturity = datetime.now() - timedelta(days=USER_MATURITY_DAYS)
+            date_maturity = timezone.now() - timedelta(days=USER_MATURITY_DAYS)
             if request.user.date_joined > date_maturity:
                 request.user.profile.banned = True
                 request.user.profile.save()
diff --git a/readthedocs/projects/views/private.py b/readthedocs/projects/views/private.py
index 897388c14ba..9b3092e4a30 100644
--- a/readthedocs/projects/views/private.py
+++ b/readthedocs/projects/views/private.py
@@ -1,8 +1,13 @@
 # -*- coding: utf-8 -*-
+
 """Project views for authenticated users."""
 
 from __future__ import (
-    absolute_import, division, print_function, unicode_literals)
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
 
 import logging
 
@@ -13,8 +18,11 @@
 from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
 from django.http import (
-    Http404, HttpResponseBadRequest, HttpResponseNotAllowed,
-    HttpResponseRedirect)
+    Http404,
+    HttpResponseBadRequest,
+    HttpResponseNotAllowed,
+    HttpResponseRedirect,
+)
 from django.middleware.csrf import get_token
 from django.shortcuts import get_object_or_404, render
 from django.utils.safestring import mark_safe
@@ -22,22 +30,39 @@
 from django.views.generic import ListView, TemplateView, View
 from formtools.wizard.views import SessionWizardView
 from vanilla import CreateView, DeleteView, DetailView, GenericView, UpdateView
+
 from readthedocs.builds.forms import VersionForm
 from readthedocs.builds.models import Version
 from readthedocs.core.mixins import ListViewWithForm, LoginRequiredMixin
-from readthedocs.core.utils import broadcast, trigger_build, prepare_build
+from readthedocs.core.utils import broadcast, prepare_build, trigger_build
 from readthedocs.integrations.models import HttpExchange, Integration
 from readthedocs.oauth.services import registry
-from readthedocs.oauth.utils import update_webhook
 from readthedocs.oauth.tasks import attach_webhook
+from readthedocs.oauth.utils import update_webhook
 from readthedocs.projects import tasks
 from readthedocs.projects.forms import (
-    DomainForm, EmailHookForm, IntegrationForm, ProjectAdvancedForm,
-    ProjectAdvertisingForm, ProjectBasicsForm, ProjectExtraForm,
-    ProjectRelationshipForm, RedirectForm, TranslationForm, UpdateProjectForm,
-    UserForm, WebHookForm, build_versions_form)
+    DomainForm,
+    EmailHookForm,
+    IntegrationForm,
+    ProjectAdvancedForm,
+    ProjectAdvertisingForm,
+    ProjectBasicsForm,
+    ProjectExtraForm,
+    ProjectRelationshipForm,
+    RedirectForm,
+    TranslationForm,
+    UpdateProjectForm,
+    UserForm,
+    WebHookForm,
+    build_versions_form,
+)
 from readthedocs.projects.models import (
-    Domain, EmailHook, Project, ProjectRelationship, WebHook)
+    Domain,
+    EmailHook,
+    Project,
+    ProjectRelationship,
+    WebHook,
+)
 from readthedocs.projects.signals import project_import
 from readthedocs.projects.views.base import ProjectAdminMixin, ProjectSpamMixin
 
@@ -119,7 +144,9 @@ def project_versions(request, project_slug):
     like to have built.
     """
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
 
     if not project.is_imported:
         raise Http404
@@ -135,19 +162,27 @@ def project_versions(request, project_slug):
         return HttpResponseRedirect(project_dashboard)
 
     return render(
-        request, 'projects/project_versions.html',
-        {'form': form, 'project': project})
+        request,
+        'projects/project_versions.html',
+        {'form': form, 'project': project},
+    )
 
 
 @login_required
 def project_version_detail(request, project_slug, version_slug):
     """Project version detail page."""
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     version = get_object_or_404(
         Version.objects.public(
-            user=request.user, project=project, only_active=False),
-        slug=version_slug)
+            user=request.user,
+            project=project,
+            only_active=False,
+        ),
+        slug=version_slug,
+    )
 
     form = VersionForm(request.POST or None, instance=version)
 
@@ -157,15 +192,20 @@ def project_version_detail(request, project_slug, version_slug):
             if 'active' in form.changed_data and version.active is False:
                 log.info('Removing files for version %s', version.slug)
                 broadcast(
-                    type='app', task=tasks.clear_artifacts, args=[version.get_artifact_paths()])
+                    type='app',
+                    task=tasks.clear_artifacts,
+                    args=[version.get_artifact_paths()],
+                )
                 version.built = False
                 version.save()
         url = reverse('project_version_list', args=[project.slug])
         return HttpResponseRedirect(url)
 
     return render(
-        request, 'projects/project_version_detail.html',
-        {'form': form, 'project': project, 'version': version})
+        request,
+        'projects/project_version_detail.html',
+        {'form': form, 'project': project, 'version': version},
+    )
 
 
 @login_required
@@ -177,7 +217,9 @@ def project_delete(request, project_slug):
     confirmation of delete.
     """
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
 
     if request.method == 'POST':
         broadcast(type='app', task=tasks.remove_dir, args=[project.doc_path])
@@ -240,11 +282,12 @@ def done(self, form_list, **kwargs):
 
         self.trigger_initial_build(project)
         return HttpResponseRedirect(
-            reverse('projects_detail', args=[project.slug]))
+            reverse('projects_detail', args=[project.slug]),
+        )
 
     def trigger_initial_build(self, project):
         """Trigger initial build."""
-        update_docs = prepare_build(project)
+        update_docs, build = prepare_build(project)
         task_promise = chain(
             attach_webhook.si(project.pk, self.request.user.pk),
             update_docs,
@@ -275,10 +318,13 @@ def get(self, request, *args, **kwargs):
 
         data = self.get_form_data()
         project = Project.objects.for_admin_user(
-            request.user).filter(repo=data['repo']).first()
+            request.user,
+        ).filter(repo=data['repo']).first()
         if project is not None:
             messages.success(
-                request, _('The demo project is already imported!'))
+                request,
+                _('The demo project is already imported!'),
+            )
         else:
             kwargs = self.get_form_kwargs()
             form = self.form_class(data=data, **kwargs)
@@ -287,7 +333,9 @@ def get(self, request, *args, **kwargs):
                 project.save()
                 trigger_build(project)
                 messages.success(
-                    request, _('Your demo project is currently being imported'))
+                    request,
+                    _('Your demo project is currently being imported'),
+                )
             else:
                 messages.error(
                     request,
@@ -295,14 +343,15 @@ def get(self, request, *args, **kwargs):
                 )
                 return HttpResponseRedirect(reverse('projects_dashboard'))
         return HttpResponseRedirect(
-            reverse('projects_detail', args=[project.slug]))
+            reverse('projects_detail', args=[project.slug]),
+        )
 
     def get_form_data(self):
         """Get form data to post to import form."""
         return {
             'name': '{0}-demo'.format(self.request.user.username),
             'repo_type': 'git',
-            'repo': 'https://github.com/readthedocs/template.git'
+            'repo': 'https://github.com/readthedocs/template.git',
         }
 
     def get_form_kwargs(self):
@@ -336,7 +385,8 @@ def get(self, request, *args, **kwargs):
             .exclude(
                 provider__in=[
                     service.adapter.provider_id for service in registry
-                ])
+                ],
+            )
         )  # yapf: disable
         for account in deprecated_accounts:
             provider_account = account.get_provider_account()
@@ -346,10 +396,12 @@ def get(self, request, *args, **kwargs):
                     _(
                         'There is a problem with your {service} account, '
                         'try reconnecting your account on your '
-                        '<a href="{url}">connected services page</a>.').format(
-                            service=provider_account.get_brand()['name'],
-                            url=reverse('socialaccount_connections'))
-                ))  # yapf: disable
+                        '<a href="{url}">connected services page</a>.',
+                    ).format(
+                        service=provider_account.get_brand()['name'],
+                        url=reverse('socialaccount_connections'),
+                    )
+                )),  # yapf: disable
             )
         return super(ImportView, self).get(request, *args, **kwargs)
 
@@ -368,7 +420,8 @@ def get_context_data(self, **kwargs):
         context = super(ImportView, self).get_context_data(**kwargs)
         context['view_csrf_token'] = get_token(self.request)
         context['has_connected_accounts'] = SocialAccount.objects.filter(
-            user=self.request.user).exists()
+            user=self.request.user,
+        ).exists()
         return context
 
 
@@ -385,8 +438,10 @@ def get_queryset(self):
 
     def get_form(self, data=None, files=None, **kwargs):
         kwargs['user'] = self.request.user
-        return super(ProjectRelationshipMixin,
-                     self).get_form(data, files, **kwargs)
+        return super(
+            ProjectRelationshipMixin,
+            self,
+        ).get_form(data, files, **kwargs)
 
     def form_valid(self, form):
         broadcast(
@@ -426,7 +481,9 @@ def get(self, request, *args, **kwargs):
 def project_users(request, project_slug):
     """Project users view and form view."""
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
 
     form = UserForm(data=request.POST or None, project=project)
 
@@ -449,9 +506,13 @@ def project_users_delete(request, project_slug):
     if request.method != 'POST':
         return HttpResponseNotAllowed('Only POST is allowed')
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     user = get_object_or_404(
-        User.objects.all(), username=request.POST.get('username'))
+        User.objects.all(),
+        username=request.POST.get('username'),
+    )
     if user == request.user:
         raise Http404
     project.users.remove(user)
@@ -463,7 +524,9 @@ def project_users_delete(request, project_slug):
 def project_notifications(request, project_slug):
     """Project notification view and form view."""
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
 
     email_form = EmailHookForm(data=request.POST or None, project=project)
     webhook_form = WebHookForm(data=request.POST or None, project=project)
@@ -501,14 +564,18 @@ def project_notifications_delete(request, project_slug):
     if request.method != 'POST':
         return HttpResponseNotAllowed('Only POST is allowed')
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     try:
         project.emailhook_notifications.get(
-            email=request.POST.get('email')).delete()
+            email=request.POST.get('email'),
+        ).delete()
     except EmailHook.DoesNotExist:
         try:
             project.webhook_notifications.get(
-                url=request.POST.get('email')).delete()
+                url=request.POST.get('email'),
+            ).delete()
         except WebHook.DoesNotExist:
             raise Http404
     project_dashboard = reverse('projects_notifications', args=[project.slug])
@@ -519,7 +586,9 @@ def project_notifications_delete(request, project_slug):
 def project_translations(request, project_slug):
     """Project translations view and form view."""
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     form = TranslationForm(
         data=request.POST or None,
         parent=project,
@@ -566,7 +635,9 @@ def project_translations_delete(request, project_slug, child_slug):
 def project_redirects(request, project_slug):
     """Project redirects view and form view."""
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
 
     form = RedirectForm(data=request.POST or None, project=project)
 
@@ -578,8 +649,10 @@ def project_redirects(request, project_slug):
     redirects = project.redirects.all()
 
     return render(
-        request, 'projects/project_redirects.html',
-        {'form': form, 'project': project, 'redirects': redirects})
+        request,
+        'projects/project_redirects.html',
+        {'form': form, 'project': project, 'redirects': redirects},
+    )
 
 
 @login_required
@@ -588,15 +661,20 @@ def project_redirects_delete(request, project_slug):
     if request.method != 'POST':
         return HttpResponseNotAllowed('Only POST is allowed')
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     redirect = get_object_or_404(
-        project.redirects, pk=request.POST.get('id_pk'))
+        project.redirects,
+        pk=request.POST.get('id_pk'),
+    )
     if redirect.project == project:
         redirect.delete()
     else:
         raise Http404
     return HttpResponseRedirect(
-        reverse('projects_redirects', args=[project.slug]))
+        reverse('projects_redirects', args=[project.slug]),
+    )
 
 
 @login_required
@@ -607,21 +685,33 @@ def project_version_delete_html(request, project_slug, version_slug):
     This marks a version as not built
     """
     project = get_object_or_404(
-        Project.objects.for_admin_user(request.user), slug=project_slug)
+        Project.objects.for_admin_user(request.user),
+        slug=project_slug,
+    )
     version = get_object_or_404(
         Version.objects.public(
-            user=request.user, project=project, only_active=False),
-        slug=version_slug)
+            user=request.user,
+            project=project,
+            only_active=False,
+        ),
+        slug=version_slug,
+    )
 
     if not version.active:
         version.built = False
         version.save()
-        broadcast(type='app', task=tasks.clear_artifacts, args=[version.get_artifact_paths()])
+        broadcast(
+            type='app',
+            task=tasks.clear_artifacts,
+            args=[version.get_artifact_paths()],
+        )
     else:
         return HttpResponseBadRequest(
-            "Can't delete HTML for an active version.")
+            "Can't delete HTML for an active version.",
+        )
     return HttpResponseRedirect(
-        reverse('project_version_list', kwargs={'project_slug': project_slug}))
+        reverse('project_version_list', kwargs={'project_slug': project_slug}),
+    )
 
 
 class DomainMixin(ProjectAdminMixin, PrivateViewMixin):
@@ -719,7 +809,8 @@ def get_template_names(self):
         suffix = self.SUFFIX_MAP.get(integration_type, integration_type)
         return (
             'projects/integration_{0}{1}.html'
-            .format(suffix, self.template_name_suffix))
+            .format(suffix, self.template_name_suffix)
+        )
 
 
 class IntegrationDelete(IntegrationMixin, DeleteView):
diff --git a/readthedocs/restapi/templates/restapi/footer.html b/readthedocs/restapi/templates/restapi/footer.html
index 9a995a794f4..747f2c611f2 100644
--- a/readthedocs/restapi/templates/restapi/footer.html
+++ b/readthedocs/restapi/templates/restapi/footer.html
@@ -82,9 +82,11 @@
         <dd>
           <a href="{{ github_view_url }}">View</a>
         </dd>
+        {% if version.is_editable %}
         <dd>
           <a href="{{ github_edit_url }}">Edit</a>
         </dd>
+        {% endif %}
       </dl>
       {% elif bitbucket_url %}
       <dl>
@@ -99,9 +101,11 @@
         <dd>
           <a href="{{ gitlab_view_url }}">View</a>
         </dd>
+        {% if version.is_editable %}
         <dd>
           <a href="{{ gitlab_edit_url }}">Edit</a>
         </dd>
+        {% endif %}
       </dl>
       {% endif %}
       {% endblock %}
diff --git a/readthedocs/rtd_tests/tests/test_footer.py b/readthedocs/rtd_tests/tests/test_footer.py
index 82e1b780b19..2b63301753f 100644
--- a/readthedocs/rtd_tests/tests/test_footer.py
+++ b/readthedocs/rtd_tests/tests/test_footer.py
@@ -1,6 +1,10 @@
 # -*- coding: utf-8 -*-
 from __future__ import (
-    absolute_import, division, print_function, unicode_literals)
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
 
 import mock
 from django.test import TestCase
@@ -11,13 +15,15 @@
 from readthedocs.core.middleware import FooterNoSessionMiddleware
 from readthedocs.projects.models import Project
 from readthedocs.restapi.views.footer_views import (
-    footer_html, get_version_compare_data)
+    footer_html,
+    get_version_compare_data,
+)
 from readthedocs.rtd_tests.mocks.paths import fake_paths_by_regex
 
 
 class Testmaker(APITestCase):
     fixtures = ['test_data']
-    url = '/api/v2/footer_html/?project=pip&version=latest&page=index'
+    url = '/api/v2/footer_html/?project=pip&version=latest&page=index&docroot=/'
     factory = APIRequestFactory()
 
     @classmethod
@@ -99,6 +105,24 @@ def test_show_version_warning(self):
         response = self.render()
         self.assertTrue(response.data['show_version_warning'])
 
+    def test_show_edit_on_github(self):
+        version = self.pip.versions.get(slug=LATEST)
+        version.type = BRANCH
+        version.save()
+        response = self.render()
+        self.assertIn('On GitHub', response.data['html'])
+        self.assertIn('View', response.data['html'])
+        self.assertIn('Edit', response.data['html'])
+
+    def test_not_show_edit_on_github(self):
+        version = self.pip.versions.get(slug=LATEST)
+        version.type = TAG
+        version.save()
+        response = self.render()
+        self.assertIn('On GitHub', response.data['html'])
+        self.assertIn('View', response.data['html'])
+        self.assertNotIn('Edit', response.data['html'])
+
 
 class TestVersionCompareFooter(TestCase):
     fixtures = ['test_data']
diff --git a/readthedocs/rtd_tests/tests/test_project.py b/readthedocs/rtd_tests/tests/test_project.py
index 5a723cccd23..5029eb58630 100644
--- a/readthedocs/rtd_tests/tests/test_project.py
+++ b/readthedocs/rtd_tests/tests/test_project.py
@@ -9,6 +9,7 @@
 from django.forms.models import model_to_dict
 from django.test import TestCase
 from django_dynamic_fixture import get
+from django.utils import timezone
 from mock import patch
 from rest_framework.reverse import reverse
 
@@ -435,7 +436,7 @@ def setUp(self):
             state=BUILD_STATE_TRIGGERED,
         )
         self.build_2.date = (
-            datetime.datetime.now() - datetime.timedelta(hours=1))
+            timezone.now() - datetime.timedelta(hours=1))
         self.build_2.save()
 
         # Build started an hour ago with custom time (2 hours)
@@ -445,7 +446,7 @@ def setUp(self):
             state=BUILD_STATE_TRIGGERED,
         )
         self.build_3.date = (
-            datetime.datetime.now() - datetime.timedelta(hours=1))
+            timezone.now() - datetime.timedelta(hours=1))
         self.build_3.save()
 
     def test_finish_inactive_builds_task(self):
diff --git a/readthedocs/rtd_tests/tests/test_project_views.py b/readthedocs/rtd_tests/tests/test_project_views.py
index 656dd103a86..6e9a6eaa8a8 100644
--- a/readthedocs/rtd_tests/tests/test_project_views.py
+++ b/readthedocs/rtd_tests/tests/test_project_views.py
@@ -1,5 +1,6 @@
 from __future__ import absolute_import
-from datetime import datetime, timedelta
+from datetime import timedelta
+
 
 from mock import patch
 from django.test import TestCase
@@ -8,6 +9,7 @@
 from django.core.urlresolvers import reverse
 from django.http.response import HttpResponseRedirect
 from django.views.generic.base import ContextMixin
+from django.utils import timezone
 from django_dynamic_fixture import get, new
 
 import six
@@ -205,7 +207,7 @@ def test_remote_repository_is_added(self):
            create=True)
     def test_form_spam(self, mocked_validator):
         """Don't add project on a spammy description"""
-        self.user.date_joined = datetime.now() - timedelta(days=365)
+        self.user.date_joined = timezone.now() - timedelta(days=365)
         self.user.save()
         mocked_validator.side_effect = ProjectSpamError
 
@@ -227,7 +229,7 @@ def test_form_spam(self, mocked_validator):
            create=True)
     def test_form_spam_ban_user(self, mocked_validator):
         """Don't add spam and ban new user"""
-        self.user.date_joined = datetime.now()
+        self.user.date_joined = timezone.now()
         self.user.save()
         mocked_validator.side_effect = ProjectSpamError
 
diff --git a/readthedocs/rtd_tests/tests/test_views.py b/readthedocs/rtd_tests/tests/test_views.py
index c1bcf92303e..cfe90e1dc4c 100644
--- a/readthedocs/rtd_tests/tests/test_views.py
+++ b/readthedocs/rtd_tests/tests/test_views.py
@@ -1,19 +1,26 @@
-from __future__ import absolute_import
+# -*- coding: utf-8 -*-
+from __future__ import (
+    absolute_import,
+    division,
+    print_function,
+    unicode_literals,
+)
+
+import mock
 from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.utils.six.moves.urllib.parse import urlsplit
-from django_dynamic_fixture import get
-from django_dynamic_fixture import new
+from django_dynamic_fixture import get, new
 
 from readthedocs.builds.constants import LATEST
+from readthedocs.builds.models import Build
 from readthedocs.core.permissions import AdminPermission
-from readthedocs.projects.models import ImportedFile
-from readthedocs.projects.models import Project
 from readthedocs.projects.forms import UpdateProjectForm
-
+from readthedocs.projects.models import ImportedFile, Project
 
 class Testmaker(TestCase):
+
     def setUp(self):
         self.eric = User(username='eric')
         self.eric.set_password('test')
@@ -27,21 +34,24 @@ def test_imported_docs(self):
         self.assertEqual(r.status_code, 200)
         r = self.client.get('/dashboard/import/manual/', {})
         self.assertEqual(r.status_code, 200)
-        form = UpdateProjectForm(data={
-            'name': 'Django Kong',
-            'repo': 'https://github.com/ericholscher/django-kong',
-            'repo_type': 'git',
-            'description': 'OOHHH AH AH AH KONG SMASH',
-            'language': 'en',
-            'default_branch': '',
-            'project_url': 'http://django-kong.rtfd.org',
-            'default_version': LATEST,
-            'privacy_level': 'public',
-            'version_privacy_level': 'public',
-            'python_interpreter': 'python',
-            'documentation_type': 'sphinx',
-            'csrfmiddlewaretoken': '34af7c8a5ba84b84564403a280d9a9be',
-        }, user=user)
+        form = UpdateProjectForm(
+            data={
+                'name': 'Django Kong',
+                'repo': 'https://github.com/ericholscher/django-kong',
+                'repo_type': 'git',
+                'description': 'OOHHH AH AH AH KONG SMASH',
+                'language': 'en',
+                'default_branch': '',
+                'project_url': 'http://django-kong.rtfd.org',
+                'default_version': LATEST,
+                'privacy_level': 'public',
+                'version_privacy_level': 'public',
+                'python_interpreter': 'python',
+                'documentation_type': 'sphinx',
+                'csrfmiddlewaretoken': '34af7c8a5ba84b84564403a280d9a9be',
+            },
+            user=user,
+        )
         _ = form.save()
         _ = Project.objects.get(slug='django-kong')
 
@@ -111,11 +121,13 @@ def test_project_delete(self):
     def test_subprojects_delete(self):
         # This URL doesn't exist anymore, 404
         response = self.client.get(
-            '/dashboard/pip/subprojects/delete/a-subproject/')
+            '/dashboard/pip/subprojects/delete/a-subproject/',
+        )
         self.assertEqual(response.status_code, 404)
         # New URL
         response = self.client.get(
-            '/dashboard/pip/subprojects/a-subproject/delete/')
+            '/dashboard/pip/subprojects/a-subproject/delete/',
+        )
         self.assertRedirectToLogin(response)
 
     def test_subprojects(self):
@@ -143,7 +155,9 @@ def test_project_translations(self):
         self.assertRedirectToLogin(response)
 
     def test_project_translations_delete(self):
-        response = self.client.get('/dashboard/pip/translations/delete/a-translation/')
+        response = self.client.get(
+            '/dashboard/pip/translations/delete/a-translation/'
+        )
         self.assertRedirectToLogin(response)
 
     def test_project_redirects(self):
@@ -168,7 +182,8 @@ def setUp(self):
             slug='file',
             path='file.html',
             md5='abcdef',
-            commit='1234567890abcdef')
+            commit='1234567890abcdef',
+        )
 
     def test_random_page_view_redirects(self):
         response = self.client.get('/random/')
@@ -188,7 +203,9 @@ def test_404_for_with_no_imported_files(self):
         response = self.client.get('/random/pip/')
         self.assertEqual(response.status_code, 404)
 
+
 class SubprojectViewTests(TestCase):
+
     def setUp(self):
         self.user = new(User, username='test')
         self.user.set_password('test')
@@ -201,10 +218,15 @@ def setUp(self):
         self.client.login(username='test', password='test')
 
     def test_deny_delete_for_non_project_admins(self):
-        response = self.client.get('/dashboard/my-mainproject/subprojects/delete/my-subproject/')
+        response = self.client.get(
+            '/dashboard/my-mainproject/subprojects/delete/my-subproject/'
+        )
         self.assertEqual(response.status_code, 404)
 
-        self.assertTrue(self.subproject in [r.child for r in self.project.subprojects.all()])
+        self.assertTrue(
+            self.subproject in
+            [r.child for r in self.project.subprojects.all()]
+        )
 
     def test_admins_can_delete_subprojects(self):
         self.project.users.add(self.user)
@@ -212,24 +234,56 @@ def test_admins_can_delete_subprojects(self):
 
         # URL doesn't exist anymore, 404
         response = self.client.get(
-            '/dashboard/my-mainproject/subprojects/delete/my-subproject/')
+            '/dashboard/my-mainproject/subprojects/delete/my-subproject/',
+        )
         self.assertEqual(response.status_code, 404)
         # This URL still doesn't accept GET, 405
         response = self.client.get(
-            '/dashboard/my-mainproject/subprojects/my-subproject/delete/')
+            '/dashboard/my-mainproject/subprojects/my-subproject/delete/',
+        )
         self.assertEqual(response.status_code, 405)
-        self.assertTrue(self.subproject in [r.child for r in self.project.subprojects.all()])
+        self.assertTrue(
+            self.subproject in
+            [r.child for r in self.project.subprojects.all()]
+        )
         # Test POST
         response = self.client.post(
-            '/dashboard/my-mainproject/subprojects/my-subproject/delete/')
+            '/dashboard/my-mainproject/subprojects/my-subproject/delete/',
+        )
         self.assertEqual(response.status_code, 302)
-        self.assertTrue(self.subproject not in [r.child for r in self.project.subprojects.all()])
-
-    def test_project_admins_can_delete_subprojects_that_they_are_not_admin_of(self):
+        self.assertTrue(
+            self.subproject not in
+            [r.child for r in self.project.subprojects.all()]
+        )
+
+    def test_project_admins_can_delete_subprojects_that_they_are_not_admin_of(
+            self
+    ):
         self.project.users.add(self.user)
         self.assertFalse(AdminPermission.is_admin(self.user, self.subproject))
 
         response = self.client.post(
-            '/dashboard/my-mainproject/subprojects/my-subproject/delete/')
+            '/dashboard/my-mainproject/subprojects/my-subproject/delete/',
+        )
         self.assertEqual(response.status_code, 302)
-        self.assertTrue(self.subproject not in [r.child for r in self.project.subprojects.all()])
+        self.assertTrue(
+            self.subproject not in
+            [r.child for r in self.project.subprojects.all()]
+        )
+
+
+class BuildViewTests(TestCase):
+    fixtures = ['eric', 'test_data']
+
+    def setUp(self):
+        self.client.login(username='eric', password='test')
+
+    @mock.patch('readthedocs.projects.tasks.update_docs_task')
+    def test_build_redirect(self, mock):
+        r = self.client.post('/projects/pip/builds/', {'version_slug': '0.8.1'})
+        build = Build.objects.filter(project__slug='pip').latest()
+        self.assertEqual(r.status_code, 302)
+        self.assertEqual(
+            r._headers['location'][1],
+            '/projects/pip/builds/%s/' % build.pk,
+        )
diff --git a/readthedocs/search/indexes.py b/readthedocs/search/indexes.py
index 19c4b2ba772..48e4baecc5e 100644
--- a/readthedocs/search/indexes.py
+++ b/readthedocs/search/indexes.py
@@ -16,7 +16,8 @@
 """
 from __future__ import absolute_import
 from builtins import object
-import datetime
+
+from django.utils import timezone
 
 from elasticsearch import Elasticsearch, exceptions
 from elasticsearch.helpers import bulk_index
@@ -92,7 +93,7 @@ def get_analysis(self):
 
     def timestamped_index(self):
         return '{0}-{1}'.format(
-            self._index, datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
+            self._index, timezone.now().strftime('%Y%m%d%H%M%S'))
 
     def create_index(self, index=None):
         """
diff --git a/readthedocs/settings/base.py b/readthedocs/settings/base.py
index 4770c009337..96c84e3c2e0 100644
--- a/readthedocs/settings/base.py
+++ b/readthedocs/settings/base.py
@@ -209,7 +209,8 @@ def USE_PROMOS(self):  # noqa
     CACHE_MIDDLEWARE_SECONDS = 60
 
     # I18n
-    TIME_ZONE = 'America/Chicago'
+    TIME_ZONE = 'UTC'
+    USE_TZ = True
     LANGUAGE_CODE = 'en-us'
     LANGUAGES = (
         ('ca', gettext('Catalan')),
diff --git a/setup.cfg b/setup.cfg
index b323f46bd49..3f91509df4c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = readthedocs
-version = 2.8.0
+version = 2.8.1
 license = MIT
 description = Read the Docs builds and hosts documentation
 author = Read the Docs, Inc