diff --git a/.codecov.yml b/.codecov.yml
index aa7a96c27..0e6fdf0c3 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -1,6 +1,6 @@
 coverage:
   status:
-    patch:
+    project:
       default:
         # allowed to drop X% and still result in a "success" commit status
         threshold: 0.05
diff --git a/CHANGES b/CHANGES
index b267905d6..7f841a5d0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,6 +10,11 @@ Incompatible changes
 Deprecated
 ----------
 
+* #4623: ``sphinx.build_main()`` is deprecated. Use
+  ``sphinx.cmd.build.build_main()`` instead.
+* autosummary: The interface of ``sphinx.ext.autosummary.get_documenter()`` has
+  been changed (Since 1.7.0)
+
 Features added
 --------------
 
@@ -22,6 +27,12 @@ Bugs fixed
 * #4622: epub: :confval:`epub_scheme` does not effect to content.opf
 * #4627: graphviz: Fit graphviz images to page
 * #4617: quickstart: PROJECT_DIR argument is required
+* #4623: sphinx.build_main no longer exists in 1.7.0
+* #4615: The argument of ``sphinx.build`` has been changed in 1.7.0
+* autosummary: The interface of ``sphinx.ext.autosummary.get_documenter()`` has
+  been changed
+* #4630: Have order on msgids in sphinx.pot deterministic
+* #4563: autosummary: Incorrect end of line punctuation detection
 * #4577: Enumerated sublists with explicit start with wrong number
 
 Testing
diff --git a/sphinx/__init__.py b/sphinx/__init__.py
index c8ce7a7ea..5acaaa2ca 100644
--- a/sphinx/__init__.py
+++ b/sphinx/__init__.py
@@ -15,6 +15,7 @@
 from __future__ import absolute_import
 
 import os
+import sys
 import warnings
 from os import path
 
@@ -66,9 +67,30 @@ def main(*args, **kwargs):
         RemovedInSphinx20Warning,
         stacklevel=2,
     )
+    args = args[1:]  # skip first argument to adjust arguments (refs: #4615)
     return build.main(*args, **kwargs)
 
 
+def build_main(argv=sys.argv):
+    """Sphinx build "main" command-line entry."""
+    warnings.warn(
+        '`sphinx.build_main()` has moved to `sphinx.cmd.build.build_main()`.',
+        RemovedInSphinx20Warning,
+        stacklevel=2,
+    )
+    return build.build_main(argv[1:])  # skip first argument to adjust arguments (refs: #4615)
+
+
+def make_main(argv=sys.argv):
+    """Sphinx build "make mode" entry."""
+    warnings.warn(
+        '`sphinx.build_main()` has moved to `sphinx.cmd.build.make_main()`.',
+        RemovedInSphinx20Warning,
+        stacklevel=2,
+    )
+    return build.make_main(argv[1:])  # skip first argument to adjust arguments (refs: #4615)
+
+
 if __name__ == '__main__':
     from .cmd import build
     warnings.warn(
diff --git a/sphinx/apidoc.py b/sphinx/apidoc.py
index 4e20fb7e4..be5e5c5ab 100644
--- a/sphinx/apidoc.py
+++ b/sphinx/apidoc.py
@@ -21,6 +21,7 @@ def main(*args, **kwargs):
         RemovedInSphinx20Warning,
         stacklevel=2,
     )
+    args = args[1:]  # skip first argument to adjust arguments (refs: #4615)
     _main(*args, **kwargs)
 
 
diff --git a/sphinx/application.py b/sphinx/application.py
index d118c2afe..d943de81d 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -88,6 +88,7 @@ builtin_extensions = (
     'sphinx.roles',
     'sphinx.transforms.post_transforms',
     'sphinx.transforms.post_transforms.images',
+    'sphinx.util.compat',
     # collectors should be loaded by specific order
     'sphinx.environment.collectors.dependencies',
     'sphinx.environment.collectors.asset',
diff --git a/sphinx/builders/gettext.py b/sphinx/builders/gettext.py
index a5cca6a47..c33a0af40 100644
--- a/sphinx/builders/gettext.py
+++ b/sphinx/builders/gettext.py
@@ -12,7 +12,7 @@
 from __future__ import unicode_literals
 
 from codecs import open
-from collections import defaultdict
+from collections import defaultdict, OrderedDict
 from datetime import datetime, tzinfo, timedelta
 from os import path, walk, getenv
 from time import time
@@ -68,8 +68,8 @@ class Catalog(object):
         # type: () -> None
         self.messages = []  # type: List[unicode]
                             # retain insertion order, a la OrderedDict
-        self.metadata = {}  # type: Dict[unicode, List[Tuple[unicode, int, unicode]]]
-                            # msgid -> file, line, uid
+        self.metadata = OrderedDict()  # type: Dict[unicode, List[Tuple[unicode, int, unicode]]]  # NOQA
+                                        # msgid -> file, line, uid
 
     def add(self, msg, origin):
         # type: (unicode, MsgOrigin) -> None
@@ -236,7 +236,8 @@ class MessageCatalogBuilder(I18nBuilder):
 
     def _extract_from_template(self):
         # type: () -> None
-        files = self._collect_templates()
+        files = list(self._collect_templates())
+        files.sort()
         logger.info(bold('building [%s]: ' % self.name), nonl=1)
         logger.info('targets for %d template files', len(files))
 
diff --git a/sphinx/ext/autosummary/__init__.py b/sphinx/ext/autosummary/__init__.py
index 4728281c3..1334084e2 100644
--- a/sphinx/ext/autosummary/__init__.py
+++ b/sphinx/ext/autosummary/__init__.py
@@ -58,23 +58,27 @@ import os
 import posixpath
 import re
 import sys
+import warnings
 from types import ModuleType
 from typing import TYPE_CHECKING
 
 from docutils import nodes
 from docutils.parsers.rst import Directive, directives
+from docutils.parsers.rst.states import RSTStateMachine, state_classes
 from docutils.statemachine import ViewList
 from six import string_types
 from six import text_type
 
 import sphinx
 from sphinx import addnodes
+from sphinx.deprecation import RemovedInSphinx20Warning
 from sphinx.environment.adapters.toctree import TocTree
 from sphinx.ext.autodoc import get_documenters
 from sphinx.ext.autodoc.directive import DocumenterBridge, Options
 from sphinx.ext.autodoc.importer import import_module
 from sphinx.pycode import ModuleAnalyzer, PycodeError
 from sphinx.util import import_object, rst, logging
+from sphinx.util.docutils import new_document
 
 if TYPE_CHECKING:
     from typing import Any, Dict, List, Tuple, Type, Union  # NOQA
@@ -153,13 +157,17 @@ def autosummary_table_visit_html(self, node):
 
 # -- autodoc integration -------------------------------------------------------
 
+# current application object (used in `get_documenter()`).
+_app = None  # type: Sphinx
+
+
 class FakeDirective(DocumenterBridge):
     def __init__(self):
         super(FakeDirective, self).__init__({}, None, Options(), 0)  # type: ignore
 
 
-def get_documenter(app, obj, parent):
-    # type: (Sphinx, Any, Any) -> Type[Documenter]
+def get_documenter(*args):
+    # type: (Any) -> Type[Documenter]
     """Get an autodoc.Documenter class suitable for documenting the given
     object.
 
@@ -168,6 +176,16 @@ def get_documenter(app, obj, parent):
     belongs to.
     """
     from sphinx.ext.autodoc import DataDocumenter, ModuleDocumenter
+    if len(args) == 3:
+        # new style arguments: (app, obj, parent)
+        app, obj, parent = args
+    else:
+        # old style arguments: (obj, parent)
+        app = _app
+        obj, parent = args
+        warnings.warn('the interface of get_documenter() has been changed. '
+                      'Please give application object as first argument.',
+                      RemovedInSphinx20Warning)
 
     if inspect.ismodule(obj):
         # ModuleDocumenter.can_document_member always returns False
@@ -324,27 +342,7 @@ class Autosummary(Directive):
             # -- Grab the summary
 
             documenter.add_content(None)
-            doc = self.result.data
-
-            while doc and not doc[0].strip():
-                doc.pop(0)
-
-            # If there's a blank line, then we can assume the first sentence /
-            # paragraph has ended, so anything after shouldn't be part of the
-            # summary
-            for i, piece in enumerate(doc):
-                if not piece.strip():
-                    doc = doc[:i]
-                    break
-
-            # Try to find the "first sentence", which may span multiple lines
-            m = re.search(r"^([A-Z].*?\.)(?:\s|$)", " ".join(doc).strip())
-            if m:
-                summary = m.group(1).strip()
-            elif doc:
-                summary = doc[0].strip()
-            else:
-                summary = ''
+            summary = extract_summary(self.result.data[:], self.state.document)
 
             items.append((display_name, sig, summary, real_name))
 
@@ -451,6 +449,40 @@ def mangle_signature(sig, max_chars=30):
     return u"(%s)" % sig
 
 
+def extract_summary(doc, document):
+    # type: (List[unicode], Any) -> unicode
+    """Extract summary from docstring."""
+
+    # Skip a blank lines at the top
+    while doc and not doc[0].strip():
+        doc.pop(0)
+
+    # If there's a blank line, then we can assume the first sentence /
+    # paragraph has ended, so anything after shouldn't be part of the
+    # summary
+    for i, piece in enumerate(doc):
+        if not piece.strip():
+            doc = doc[:i]
+            break
+
+    # Try to find the "first sentence", which may span multiple lines
+    sentences = " ".join(doc).split('.')
+    if len(sentences) == 1:
+        summary = sentences[0].strip()
+    else:
+        summary = ''
+        state_machine = RSTStateMachine(state_classes, 'Body')
+        while sentences:
+            summary += sentences.pop(0) + '.'
+            node = new_document('', document.settings)
+            state_machine.run([summary], node)
+            if not node.traverse(nodes.system_message):
+                # considered as that splitting by period does not break inline markups
+                break
+
+    return summary
+
+
 def limited_join(sep, items, max_chars=30, overflow_marker="..."):
     # type: (unicode, List[unicode], int, unicode) -> unicode
     """Join a number of strings to one, limiting the length to *max_chars*.
diff --git a/sphinx/quickstart.py b/sphinx/quickstart.py
index 81676e8b1..ab4cf92da 100644
--- a/sphinx/quickstart.py
+++ b/sphinx/quickstart.py
@@ -22,6 +22,7 @@ def main(*args, **kwargs):
         RemovedInSphinx20Warning,
         stacklevel=2,
     )
+    args = args[1:]  # skip first argument to adjust arguments (refs: #4615)
     _main(*args, **kwargs)
 
 
diff --git a/sphinx/util/compat.py b/sphinx/util/compat.py
new file mode 100644
index 000000000..32ac11341
--- /dev/null
+++ b/sphinx/util/compat.py
@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinx.util.compat
+    ~~~~~~~~~~~~~~~~~~
+
+    modules for backward compatibility
+
+    :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+from __future__ import absolute_import
+
+import sys
+from typing import TYPE_CHECKING
+
+
+if TYPE_CHECKING:
+    from typing import Any, Dict  # NOQA
+    from sphinx.application import Sphinx  # NOQA
+
+
+def register_application_for_autosummary(app):
+    # type: (Sphinx) -> None
+    """Register application object to autosummary module.
+
+    Since Sphinx-1.7, documenters and attrgetters are registered into
+    applicaiton object.  As a result, the arguments of
+    ``get_documenter()`` has been changed.  To keep compatibility,
+    this handler registers application object to the module.
+    """
+    if 'sphinx.ext.autosummary' in sys.modules:
+        from sphinx.ext import autosummary
+        autosummary._app = app
+
+
+def setup(app):
+    # type: (Sphinx) -> Dict[unicode, Any]
+    app.connect('builder-inited', register_application_for_autosummary)
+
+    return {
+        'version': 'builtin',
+        'parallel_read_safe': True,
+        'parallel_write_safe': True,
+    }
diff --git a/tests/roots/test-gettext-template/_templates/template1.html b/tests/roots/test-gettext-template/_templates/template1.html
new file mode 100644
index 000000000..f4b49f122
--- /dev/null
+++ b/tests/roots/test-gettext-template/_templates/template1.html
@@ -0,0 +1,5 @@
+{% extends "layout.html" %}
+{% block body %}
+  <h1>{{ _('Template 1') }}</h1>
+  <p>{%trans%}This is Template 1.{%endtrans%}</p>
+{% endblock %}
diff --git a/tests/roots/test-gettext-template/_templates/template2.html b/tests/roots/test-gettext-template/_templates/template2.html
new file mode 100644
index 000000000..2a21069a6
--- /dev/null
+++ b/tests/roots/test-gettext-template/_templates/template2.html
@@ -0,0 +1,5 @@
+{% extends "layout.html" %}
+{% block body %}
+  <h1>{{ _('Template 2') }}</h1>
+  <p>{%trans%}This is Template 2.{%endtrans%}</p>
+{% endblock %}
diff --git a/tests/roots/test-gettext-template/conf.py b/tests/roots/test-gettext-template/conf.py
new file mode 100644
index 000000000..1f4d84d07
--- /dev/null
+++ b/tests/roots/test-gettext-template/conf.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+
+templates_path = ['_templates']
diff --git a/tests/roots/test-gettext-template/contents.rst b/tests/roots/test-gettext-template/contents.rst
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/test_build_gettext.py b/tests/test_build_gettext.py
index c14013f9a..58ac7409c 100644
--- a/tests/test_build_gettext.py
+++ b/tests/test_build_gettext.py
@@ -165,3 +165,18 @@ def test_gettext_template(app):
     result = (app.outdir / 'sphinx.pot').text(encoding='utf-8')
     assert "Welcome" in result
     assert "Sphinx %(version)s" in result
+
+
+@pytest.mark.sphinx('gettext', testroot='gettext-template')
+def test_gettext_template_msgid_order_in_sphinxpot(app):
+    app.builder.build_all()
+    assert (app.outdir / 'sphinx.pot').isfile()
+
+    result = (app.outdir / 'sphinx.pot').text(encoding='utf-8')
+    assert re.search(
+        ('msgid "Template 1".*'
+         'msgid "This is Template 1\.".*'
+         'msgid "Template 2".*'
+         'msgid "This is Template 2\.".*'),
+        result,
+        flags=re.S)
diff --git a/tests/test_ext_autosummary.py b/tests/test_ext_autosummary.py
index a77785954..f9e217801 100644
--- a/tests/test_ext_autosummary.py
+++ b/tests/test_ext_autosummary.py
@@ -9,14 +9,12 @@
     :license: BSD, see LICENSE for details.
 """
 
+import pytest
 from six import iteritems, StringIO
 
-from sphinx.ext.autosummary import mangle_signature, import_by_name
-
+from sphinx.ext.autosummary import mangle_signature, import_by_name, extract_summary
 from sphinx.testing.util import etree_parse
 
-import pytest
-
 html_warnfile = StringIO()
 
 
@@ -57,6 +55,29 @@ def test_mangle_signature():
         assert res == outp, (u"'%s' -> '%s' != '%s'" % (inp, res, outp))
 
 
+def test_extract_summary():
+    from sphinx.util.docutils import new_document
+    from mock import Mock
+    settings = Mock(language_code='',
+                    id_prefix='',
+                    auto_id_prefix='',
+                    pep_reference=False,
+                    rfc_reference=False)
+    document = new_document('', settings)
+
+    # normal case
+    doc = ['',
+           'This is a first sentence. And second one.',
+           '',
+           'Second block is here']
+    assert extract_summary(doc, document) == 'This is a first sentence.'
+
+    # inliner case
+    doc = ['This sentence contains *emphasis text having dots.*,',
+           'it does not break sentence.']
+    assert extract_summary(doc, document) == ' '.join(doc)
+
+
 @pytest.mark.sphinx('dummy', **default_kw)
 def test_get_items_summary(make_app, app_params):
     import sphinx.ext.autosummary
@@ -95,7 +116,7 @@ def test_get_items_summary(make_app, app_params):
 
     expected_values = {
         'withSentence': 'I have a sentence which spans multiple lines.',
-        'noSentence': "this doesn't start with a",
+        'noSentence': "this doesn't start with a capital.",
         'emptyLine': "This is the real summary",
         'module_attr': 'This is a module attribute',
         'C.class_attr': 'This is a class attribute',