diff --git a/packages/react-widgets/src/Calendar.js b/packages/react-widgets/src/Calendar.js
index 7280f7a55..5bbfbf096 100644
--- a/packages/react-widgets/src/Calendar.js
+++ b/packages/react-widgets/src/Calendar.js
@@ -67,8 +67,8 @@ let propTypes = {
   onChange: PropTypes.func,
   value: PropTypes.instanceOf(Date),
 
-  min: PropTypes.instanceOf(Date),
-  max: PropTypes.instanceOf(Date),
+  min: PropTypes.instanceOf(Date).isRequired,
+  max: PropTypes.instanceOf(Date).isRequired,
 
   currentDate: PropTypes.instanceOf(Date),
   onCurrentDateChange: PropTypes.func,
diff --git a/packages/react-widgets/src/Combobox.js b/packages/react-widgets/src/Combobox.js
index 850e1c874..c6985ef40 100644
--- a/packages/react-widgets/src/Combobox.js
+++ b/packages/react-widgets/src/Combobox.js
@@ -203,15 +203,13 @@ class Combobox extends React.Component {
     if (e.defaultPrevented)
       return
 
-    if (key === 'End') {
+    if (key === 'End' && isOpen) {
       e.preventDefault()
-      if (isOpen) this.setState({ focusedItem: list.last() })
-      else          select(list.last(), true)
+      this.setState({ focusedItem: list.last() })
     }
-    else if (key === 'Home') {
+    else if (key === 'Home' && isOpen) {
       e.preventDefault()
-      if (isOpen) this.setState({ focusedItem: list.first() })
-      else        select(list.first(), true)
+      this.setState({ focusedItem: list.first() })
     }
     else if (key === 'Escape' && isOpen)
       this.close()
diff --git a/packages/react-widgets/src/ComboboxInput.js b/packages/react-widgets/src/ComboboxInput.js
index 87680d7b9..5489f2b9e 100644
--- a/packages/react-widgets/src/ComboboxInput.js
+++ b/packages/react-widgets/src/ComboboxInput.js
@@ -24,14 +24,14 @@ class ComboboxInput extends React.Component {
   };
 
   componentDidUpdate() {
-    var input = findDOMNode(this)
-      , val = this.props.value;
+    let input = findDOMNode(this)
+    let val = this.props.value;
 
     if (this.isSuggesting()) {
-      var start = val.toLowerCase().indexOf(this._last.toLowerCase()) + this._last.length
-        , end   = val.length - start
+      let start = val.toLowerCase().indexOf(this._last.toLowerCase()) + this._last.length
+      let end = val.length - start
 
-      if (start >= 0) {
+      if (start >= 0 && end !== 0) {
         caretSet(input, start, start + end)
       }
     }
@@ -40,8 +40,8 @@ class ComboboxInput extends React.Component {
   handleChange = (e) => {
     let { placeholder, value, onChange } = this.props;
 
-    var stringValue = e.target.value
-      , hasPlaceholder = !!placeholder
+    let stringValue = e.target.value
+    let hasPlaceholder = !!placeholder
 
     // IE fires input events when setting/unsetting placeholders.
     // issue #112
@@ -79,8 +79,8 @@ class ComboboxInput extends React.Component {
   }
 
   accept() {
-    var value = findDOMNode(this).value || ''
-      , end = value.length;
+    let value = findDOMNode(this).value || ''
+    let end = value.length;
 
     this._last = null
     caretSet(findDOMNode(this), end, end)
diff --git a/packages/react-widgets/src/DateTimePicker.js b/packages/react-widgets/src/DateTimePicker.js
index 91ed610f6..4fbddd366 100644
--- a/packages/react-widgets/src/DateTimePicker.js
+++ b/packages/react-widgets/src/DateTimePicker.js
@@ -72,6 +72,7 @@ let propTypes = {
   delay: PropTypes.number,
   dropUp: PropTypes.bool,
   duration: PropTypes.number,
+  calendarDuration: PropTypes.number,
 
   placeholder: PropTypes.string,
   name: PropTypes.string,
@@ -334,6 +335,7 @@ class DateTimePicker extends React.Component {
         open
       , value
       , duration
+      , calendarDuration
       , dropUp } = this.props;
 
     let calendarProps = Props.pick(this.props, Calendar);
@@ -362,6 +364,7 @@ class DateTimePicker extends React.Component {
           aria-hidden={!open}
           aria-live='polite'
           aria-labelledby={inputId}
+          duration={calendarDuration}
         />
       </Popup>
     )
diff --git a/packages/react-widgets/src/DropdownList.js b/packages/react-widgets/src/DropdownList.js
index 0a3f0f7e0..7c0046cae 100644
--- a/packages/react-widgets/src/DropdownList.js
+++ b/packages/react-widgets/src/DropdownList.js
@@ -251,7 +251,6 @@ class DropdownList extends React.Component {
         ref="input"
         onBlur={this.focusManager.handleBlur}
         onFocus={this.focusManager.handleFocus}
-        onClick={this.handleClick}
         onKeyDown={this.handleKeyDown}
         onKeyPress={this.handleKeyPress}
         className={cn(className, 'rw-dropdown-list')}
@@ -262,6 +261,7 @@ class DropdownList extends React.Component {
           focused={focused}
           disabled={disabled}
           readOnly={readOnly}
+          onClick={this.handleClick}
           className="rw-widget-input"
         >
           <DropdownListInput
@@ -308,14 +308,7 @@ class DropdownList extends React.Component {
 
   @widgetEditable
   handleClick = (e) => {
-    var wrapper = this.refs.filterWrapper
-
-    if( !this.props.filter || !this.props.open )
-      this.toggle()
-
-    else if( !contains(findDOMNode(wrapper), e.target))
-      this.close()
-
+    this.toggle()
     notify(this.props.onClick, e)
   };
 
diff --git a/packages/react-widgets/src/MultiselectTagList.js b/packages/react-widgets/src/MultiselectTagList.js
index def3a667c..bd3029df7 100644
--- a/packages/react-widgets/src/MultiselectTagList.js
+++ b/packages/react-widgets/src/MultiselectTagList.js
@@ -30,7 +30,7 @@ class MultiselectTagList extends React.Component {
   };
 
   handleDelete = (item, event) => {
-    if (!this.props.disabled)
+    if (this.props.disabled !== true)
       this.props.onDelete(item, event)
   };
 
diff --git a/packages/storybook/stories/DropdownList.js b/packages/storybook/stories/DropdownList.js
index 9774b7216..37714ac37 100644
--- a/packages/storybook/stories/DropdownList.js
+++ b/packages/storybook/stories/DropdownList.js
@@ -100,7 +100,8 @@ storiesOf('DropdownList', module)
     <Container>
       <DropdownList
         {...props}
-        open
+        defaultOpen
+        filter
         disabled={[props.data[2]]}
         defaultValue={props.data[1]}
       />
@@ -110,7 +111,7 @@ storiesOf('DropdownList', module)
     <Container>
       <DropdownList
         {...props}
-        open
+        defaultOpen
         disabled={props.data.slice(0, 2)}
       />
     </Container>