diff --git a/nw/dialogs/__init__.py b/nw/dialogs/__init__.py
index 9f9e5bf8..e278bbb9 100644
--- a/nw/dialogs/__init__.py
+++ b/nw/dialogs/__init__.py
@@ -27,6 +27,7 @@ from nw.dialogs.preferences import GuiPreferences
 from nw.dialogs.projload import GuiProjectLoad
 from nw.dialogs.projsettings import GuiProjectSettings
 from nw.dialogs.quotes import GuiQuoteSelect
+from nw.dialogs.updates import GuiUpdates
 from nw.dialogs.wordlist import GuiWordList
 
 __all__ = [
@@ -38,5 +39,6 @@ __all__ = [
     "GuiProjectLoad",
     "GuiProjectSettings",
     "GuiQuoteSelect",
+    "GuiUpdates",
     "GuiWordList",
 ]
diff --git a/nw/dialogs/updates.py b/nw/dialogs/updates.py
new file mode 100644
index 00000000..d3a30632
--- /dev/null
+++ b/nw/dialogs/updates.py
@@ -0,0 +1,170 @@
+"""
+novelWriter – GUI Updates
+=========================
+A dialog box for checking for latest updates
+
+File History:
+Created: 2021-08-21 [1.5-alpah0]
+
+This file is a part of novelWriter
+Copyright 2018–2021, Veronica Berglyd Olsen
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+"""
+
+import nw
+import json
+import logging
+
+from datetime import datetime
+from urllib.request import Request, urlopen
+
+from PyQt5.QtGui import QCursor
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import (
+    qApp, QDialog, QHBoxLayout, QVBoxLayout, QDialogButtonBox, QLabel
+)
+
+from nw.common import logException
+
+logger = logging.getLogger(__name__)
+
+
+class GuiUpdates(QDialog):
+
+    def __init__(self, theParent):
+        QDialog.__init__(self, theParent)
+
+        logger.debug("Initialising GuiUpdates ...")
+        self.setObjectName("GuiUpdates")
+
+        self.mainConf  = nw.CONFIG
+        self.theParent = theParent
+
+        self.setWindowTitle(self.tr("Check for Updates"))
+
+        nPx = self.mainConf.pxInt(96)
+        sPx = self.mainConf.pxInt(16)
+        tPx = self.mainConf.pxInt(8)
+        mPx = self.mainConf.pxInt(4)
+
+        # Left Box
+        self.nwIcon = QLabel()
+        self.nwIcon.setPixmap(self.theParent.theTheme.getPixmap("novelwriter", (nPx, nPx)))
+
+        self.leftBox = QVBoxLayout()
+        self.leftBox.addWidget(self.nwIcon)
+        self.leftBox.addStretch(1)
+
+        # Right Box
+        self.currentLabel = QLabel(self.tr("Current Release"))
+        self.currentValue = QLabel(self.tr(
+            "novelWriter {0} released on {1}"
+        ).format(
+            "v%s" % nw.__version__,
+            datetime.strptime(nw.__date__, "%Y-%m-%d").strftime("%x"))
+        )
+
+        self.latestLabel = QLabel(self.tr("Latest Release"))
+        self.latestValue = QLabel(self.tr("Checking ..."))
+        self.latestLink = QLabel("")
+        self.latestLink.setOpenExternalLinks(True)
+
+        self.rightBox = QVBoxLayout()
+        self.rightBox.addWidget(self.currentLabel)
+        self.rightBox.addWidget(self.currentValue)
+        self.rightBox.addSpacing(tPx)
+        self.rightBox.addWidget(self.latestLabel)
+        self.rightBox.addWidget(self.latestValue)
+        self.rightBox.addSpacing(tPx)
+        self.rightBox.addWidget(self.latestLink)
+        self.rightBox.setSpacing(mPx)
+
+        hFont = self.currentLabel.font()
+        hFont.setBold(True)
+        self.currentLabel.setFont(hFont)
+        self.latestLabel.setFont(hFont)
+
+        # Buttons
+        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok)
+        self.buttonBox.accepted.connect(self._doClose)
+
+        # Assemble
+        self.innerBox = QHBoxLayout()
+        self.innerBox.addLayout(self.leftBox)
+        self.innerBox.addLayout(self.rightBox)
+        self.innerBox.setSpacing(sPx)
+
+        self.outerBox = QVBoxLayout()
+        self.outerBox.addLayout(self.innerBox)
+        self.outerBox.addWidget(self.buttonBox)
+        self.outerBox.setSpacing(sPx)
+
+        self.setLayout(self.outerBox)
+
+        logger.debug("GuiUpdates initialisation complete")
+
+        return
+
+    def checkLatest(self):
+        """Check for latest release.
+        """
+        qApp.setOverrideCursor(QCursor(Qt.WaitCursor))
+
+        urlReq = Request("https://api.github.com/repos/vkbo/novelwriter/releases/latest")
+        urlReq.add_header("User-Agent", "Mozilla/5.0 (compatible; novelWriter (Python))")
+        urlReq.add_header("Accept", "application/vnd.github.v3+json")
+
+        rawData = {}
+        try:
+            urlData = urlopen(urlReq, timeout=10)
+            rawData = json.loads(urlData.read().decode())
+        except Exception:
+            logger.error("Failed to contact GitHub API")
+            logException()
+
+        relVersion = rawData.get("tag_name", "Unknown")
+        relDate = rawData.get("created_at", None)
+
+        try:
+            relDate = datetime.strptime(relDate[:10], "%Y-%m-%d").strftime("%x")
+        except Exception:
+            relDate = "Unknown"
+            logException()
+
+        self.latestValue.setText(self.tr(
+            "novelWriter {0} released on {1}"
+        ).format(
+            relVersion, relDate
+        ))
+
+        self.latestLink.setText(self.tr(
+            "Download: {0}"
+        ).format(
+            f'<a href="{nw.__url__}">{nw.__url__}</a>'
+        ))
+
+        qApp.restoreOverrideCursor()
+
+        return
+
+    ##
+    #  Internal Functions
+    ##
+
+    def _doClose(self):
+        self.close()
+        return
+
+# END Class GuiUpdates
diff --git a/nw/gui/mainmenu.py b/nw/gui/mainmenu.py
index b243372e..344f2573 100644
--- a/nw/gui/mainmenu.py
+++ b/nw/gui/mainmenu.py
@@ -1125,14 +1125,6 @@ class GuiMainMenu(QMenuBar):
         self.aQuestion.triggered.connect(lambda: self._openWebsite(nw.__helpurl__))
         self.helpMenu.addAction(self.aQuestion)
 
-        # Document > Latest Release
-        self.aRelease = QAction(self.tr("Latest Release (GitHub)"), self)
-        self.aRelease.setStatusTip(
-            self.tr("Open the Releases page on GitHub at {0}").format(nw.__releaseurl__)
-        )
-        self.aRelease.triggered.connect(lambda: self._openWebsite(nw.__releaseurl__))
-        self.helpMenu.addAction(self.aRelease)
-
         # Document > Main Website
         self.aWebsite = QAction(self.tr("The novelWriter Website"), self)
         self.aWebsite.setStatusTip(
@@ -1141,6 +1133,15 @@ class GuiMainMenu(QMenuBar):
         self.aWebsite.triggered.connect(lambda: self._openWebsite(nw.__url__))
         self.helpMenu.addAction(self.aWebsite)
 
+        # Help > Separator
+        self.helpMenu.addSeparator()
+
+        # Document > Check for Updates
+        self.aUpdates = QAction(self.tr("Check for New Release"), self)
+        self.aUpdates.setStatusTip(self.tr("Check for latest release of novelWriter"))
+        self.aUpdates.triggered.connect(lambda: self.theParent.showUpdatesDialog())
+        self.helpMenu.addAction(self.aUpdates)
+
         return
 
 # END Class GuiMainMenu
diff --git a/nw/guimain.py b/nw/guimain.py
index 61422a2d..bcb8cb1b 100644
--- a/nw/guimain.py
+++ b/nw/guimain.py
@@ -44,7 +44,7 @@ from nw.gui import (
 )
 from nw.dialogs import (
     GuiAbout, GuiDocMerge, GuiDocSplit, GuiItemEditor, GuiPreferences,
-    GuiProjectLoad, GuiProjectSettings, GuiWordList
+    GuiProjectLoad, GuiProjectSettings, GuiUpdates, GuiWordList
 )
 from nw.tools import GuiBuildNovel, GuiProjectWizard, GuiWritingStats
 from nw.core import NWProject, NWIndex
@@ -289,7 +289,7 @@ class GuiMain(QMainWindow):
 
         logger.debug("GUI initialisation complete")
 
-        if nw.__hexversion__[-2] == "a":
+        if nw.__hexversion__[-2] == "a" and logger.getEffectiveLevel() > logging.DEBUG:
             self.makeAlert(self.tr(
                 "You are running an untested development version of novelWriter. "
                 "Please be careful when working on a live project "
@@ -1096,6 +1096,21 @@ class GuiMain(QMainWindow):
         msgBox.aboutQt(self, "About Qt")
         return
 
+    def showUpdatesDialog(self):
+        """Show the updates dialog for novelWriter.
+        """
+        dlgUpdate = getGuiItem("GuiUpdates")
+        if dlgUpdate is None:
+            dlgUpdate = GuiUpdates(self)
+
+        dlgUpdate.setModal(True)
+        dlgUpdate.show()
+        dlgUpdate.raise_()
+        qApp.processEvents()
+        dlgUpdate.checkLatest()
+
+        return
+
     def makeAlert(self, theMessage, theLevel=nwAlert.INFO):
         """Alert both the user and the logger at the same time. Message
         can be either a string or an array of strings.
diff --git a/tests/test_dialogs/test_dlg_dialogs.py b/tests/test_dialogs/test_dlg_dialogs.py
index 1d8033b0..6a652eb4 100644
--- a/tests/test_dialogs/test_dlg_dialogs.py
+++ b/tests/test_dialogs/test_dlg_dialogs.py
@@ -22,9 +22,9 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 import pytest
 
 from PyQt5.QtCore import QItemSelectionModel
-from PyQt5.QtWidgets import QListWidgetItem, QDialog, QMessageBox
+from PyQt5.QtWidgets import QAction, QListWidgetItem, QDialog, QMessageBox
 
-from nw.dialogs import GuiQuoteSelect
+from nw.dialogs import GuiQuoteSelect, GuiUpdates
 
 keyDelay = 2
 typeDelay = 1
@@ -32,7 +32,7 @@ stepDelay = 20
 
 
 @pytest.mark.gui
-def testDlgOther_QuoteSelect(monkeypatch, nwGUI):
+def testDlgOther_QuoteSelect(qtbot, monkeypatch, nwGUI):
     """Test the quote symbols dialog.
     """
     # Block message box
@@ -59,3 +59,45 @@ def testDlgOther_QuoteSelect(monkeypatch, nwGUI):
     nwQuot.close()
 
 # END Test testDlgOther_QuoteSelect
+
+
+@pytest.mark.gui
+def testDlgOther_Updates(qtbot, monkeypatch, nwGUI):
+    """Test the check for updates dialog.
+    """
+    # Block message box
+    monkeypatch.setattr(QMessageBox, "question", lambda *a: QMessageBox.Yes)
+
+    nwUpdate = GuiUpdates(nwGUI)
+    nwUpdate.show()
+
+    class mockData:
+        def decode(self):
+            return '{"tag_name": "v1.0", "created_at": "2021-01-01T12:00:00Z"}'
+
+    class mockPayload:
+        def read(self):
+            return mockData()
+
+    def mockUrlopenA(*a, **k):
+        return None
+
+    def mockUrlopenB(*a, **k):
+        return mockPayload()
+
+    # Faulty Return
+    monkeypatch.setattr("nw.dialogs.updates.urlopen", mockUrlopenA)
+    nwUpdate.checkLatest()
+
+    # Valid Return
+    monkeypatch.setattr("nw.dialogs.updates.urlopen", mockUrlopenB)
+    nwUpdate.checkLatest()
+    assert nwUpdate.latestValue.text().startswith("novelWriter v1.0")
+
+    # Trigger from Menu
+    nwGUI.mainMenu.aUpdates.activate(QAction.Trigger)
+
+    # qtbot.stopForInteraction()
+    nwUpdate._doClose()
+
+# END Test testDlgOther_Updates
diff --git a/tests/test_gui/test_gui_mainmenu.py b/tests/test_gui/test_gui_mainmenu.py
index 22adcbd1..4bbef2c5 100644
--- a/tests/test_gui/test_gui_mainmenu.py
+++ b/tests/test_gui/test_gui_mainmenu.py
@@ -379,7 +379,7 @@ def testGuiMenu_ContextMenus(qtbot, monkeypatch, nwGUI, nwLipsum):
     """Test the context menus.
     """
     # Block message box
-    monkeypatch.setattr(QMessageBox, "question", lambda *args: QMessageBox.Yes)
+    monkeypatch.setattr(QMessageBox, "question", lambda *a: QMessageBox.Yes)
 
     nwGUI.theProject.projTree.setSeed(42)
     assert nwGUI.openProject(nwLipsum)
@@ -637,7 +637,7 @@ def testGuiMenu_Insert(qtbot, monkeypatch, nwGUI, fncDir, fncProj):
     # Faulty Keyword Inserts
     assert not nwGUI.docEditor.insertKeyWord("blabla")
     with monkeypatch.context() as mp:
-        mp.setattr(QTextBlock, "isValid", lambda *args, **kwards: False)
+        mp.setattr(QTextBlock, "isValid", lambda *a, **k: False)
         assert not nwGUI.docEditor.insertKeyWord(nwKeyWords.TAG_KEY)
 
     nwGUI.docEditor.clear()
@@ -667,16 +667,16 @@ def testGuiMenu_Insert(qtbot, monkeypatch, nwGUI, fncDir, fncProj):
     nwGUI.closeDocument()
 
     # First, with no path
-    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *args, **kwards: ("", ""))
+    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *a, **k: ("", ""))
     assert not nwGUI.importDocument()
 
     # Then with a path, but an invalid one
-    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *args, **kwards: (" ", ""))
+    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *a, **k: (" ", ""))
     assert not nwGUI.importDocument()
 
     # Then a valid path, but bot a file that exists
     theFile = os.path.join(fncDir, "import.txt")
-    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *args, **kwards: (theFile, ""))
+    monkeypatch.setattr(QFileDialog, "getOpenFileName", lambda *a, **k: (theFile, ""))
     assert not nwGUI.importDocument()
 
     # Create the file and try again, but with no target document open
@@ -689,12 +689,12 @@ def testGuiMenu_Insert(qtbot, monkeypatch, nwGUI, fncDir, fncProj):
     assert nwGUI.docEditor.getText() == "Bar"
 
     # The document isn't empty, so the message box should pop
-    monkeypatch.setattr(QMessageBox, "question", lambda *args, **kwargs: QMessageBox.No)
+    monkeypatch.setattr(QMessageBox, "question", lambda *a, **k: QMessageBox.No)
     assert not nwGUI.importDocument()
     assert nwGUI.docEditor.getText() == "Bar"
 
     # Finally, accept the replaced text, this time we use the menu entry to trigger it
-    monkeypatch.setattr(QMessageBox, "question", lambda *args, **kwargs: QMessageBox.Yes)
+    monkeypatch.setattr(QMessageBox, "question", lambda *a, **k: QMessageBox.Yes)
     nwGUI.mainMenu.aImportFile.activate(QAction.Trigger)
     assert nwGUI.docEditor.getText() == "Foo"