diff --git a/CHANGELOG.md b/CHANGELOG.md
index add12d10..724d3bdf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# pypa:pywwt 0.10.4 (2021-01-27)
+
+- Fix the sizing of circle annotations upon creation
+- Include the latest bundled version of the JavaScript frontend, which should
+  hopefully fix the widget in JupyterLab 3.x.
+
+
 # pypa:pywwt 0.10.3 (2021-01-25)
 
 - Attempt to fix the Qt widget on macOS computers. It appears that a recent
diff --git a/frontend/CHANGELOG.md b/frontend/CHANGELOG.md
index 3f36fafb..4d30b7cd 100644
--- a/frontend/CHANGELOG.md
+++ b/frontend/CHANGELOG.md
@@ -1,3 +1,8 @@
+# npm:pywwt 1.1.1 (2021-01-27)
+
+- Proclaim compatibility with the 4.x series of @jupyter-widgets/base. This
+  should get the widget to work in the JupyterLab 3.x series.
+
 # npm:pywwt 1.1.0 (2020-10-22)
 
 - The Jupyter widget has reworked multi-view management to behave much better
diff --git a/frontend/package.json b/frontend/package.json
index 98f4b586..c6f92a42 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,7 +4,7 @@
     "url": "https://github.com/WorldWideTelescope/pywwt/issues"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^2  || ^3",
+    "@jupyter-widgets/base": "^2  || ^3 || ^4",
     "underscore": "^1"
   },
   "description": "AAS WorldWide Telescope from Python",
@@ -39,5 +39,5 @@
     "clean": "shx rm -rf dist",
     "pywwt-export": "npm run build && npm pack && node pywwt-export.js"
   },
-  "version": "1.1.0"
+  "version": "1.1.1"
 }
diff --git a/pywwt/_version.py b/pywwt/_version.py
index db0ba6ef..ceb0f951 100644
--- a/pywwt/_version.py
+++ b/pywwt/_version.py
@@ -1,4 +1,4 @@
-version_info = (0, 10, 3, 'final', 0)  # cranko project-version tuple
+version_info = (0, 10, 4, 'final', 0)  # cranko project-version tuple
 
 _specifier_ = {'alpha': '.a', 'beta': '.b', 'candidate': '.rc', 'final': '', 'dev': '.dev'}
 
diff --git a/pywwt/annotation.py b/pywwt/annotation.py
index 8a3dc7f0..3093b9ff 100644
--- a/pywwt/annotation.py
+++ b/pywwt/annotation.py
@@ -45,7 +45,16 @@ def __init__(self, parent=None, **kwargs):
 
         self.parent._send_msg(event='annotation_create',
                               id=self.id, shape=self.shape)
-        super(Annotation, self).__init__(**kwargs)
+
+        # Normally we would pass the kwargs off to super().__init__(), but it
+        # seems that doing so bypasses the validation functions, which (at a
+        # minimum) causes problems for circles because it doesn't normalize
+        # their radius measurements to the proper units. Just apply the settings
+        # manually, which invokes the validation machinery properly.
+        super(Annotation, self).__init__()
+
+        for k, v in kwargs.items():
+            setattr(self, k, v)
 
         self.parent._annotation_set.add(self)
 
@@ -103,7 +112,7 @@ class Circle(Annotation):
     line_width = AstropyQuantity(1 * u.pixel,
                                  help='Assigns line width in pixels '
                                       '(:class:`~astropy.units.Quantity`)').tag(wwt='lineWidth')
-    radius = AstropyQuantity(80 * u.pixel,
+    radius = AstropyQuantity(1 * u.degree,
                              help='Sets the radius for the circle '
                                   '(:class:`~astropy.units.Quantity`)').tag(wwt='radius')