diff --git a/java/res/layout/input_view.xml b/java/res/layout/input_view.xml
index ed387e5..ff0b403 100644
--- a/java/res/layout/input_view.xml
+++ b/java/res/layout/input_view.xml
@@ -43,8 +43,6 @@
             android:layout_width="match_parent"
             android:layout_height="@dimen/config_suggestions_strip_height"
             android:gravity="center_vertical"
-            android:paddingRight="@dimen/config_suggestions_strip_horizontal_padding"
-            android:paddingLeft="@dimen/config_suggestions_strip_horizontal_padding"
             style="?attr/suggestionStripViewStyle" />
 
         <!-- To ensure that key preview popup is correctly placed when the current system locale is
diff --git a/java/res/layout/suggestions_strip.xml b/java/res/layout/suggestions_strip.xml
index 0b61499..bff9a1e 100644
--- a/java/res/layout/suggestions_strip.xml
+++ b/java/res/layout/suggestions_strip.xml
@@ -24,12 +24,16 @@
         android:id="@+id/suggestions_strip"
         android:orientation="horizontal"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
+        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin" />
     <LinearLayout
         android:id="@+id/add_to_dictionary_strip"
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
+        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin"
         android:visibility="invisible">
         <TextView
             android:id="@+id/word_to_save"
@@ -49,7 +53,9 @@
         android:id="@+id/important_notice_strip"
         android:orientation="horizontal"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="match_parent"
+        android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
+        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin">
         <TextView
             android:id="@+id/important_notice_title"
             android:layout_width="match_parent"
diff --git a/java/res/values-land/config.xml b/java/res/values-land/config.xml
index 43ae068..f72d64f 100644
--- a/java/res/values-land/config.xml
+++ b/java/res/values-land/config.xml
@@ -58,6 +58,7 @@
     <fraction name="config_key_shifted_letter_hint_ratio_5row">48%</fraction>
 
     <dimen name="config_suggestions_strip_height">36dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">54dp</dimen>
     <dimen name="config_more_suggestions_row_height">36dp</dimen>
     <integer name="config_max_more_suggestions_row">2</integer>
     <fraction name="config_min_more_suggestions_width">60%</fraction>
diff --git a/java/res/values-sw600dp-land/config.xml b/java/res/values-sw600dp-land/config.xml
index 00edde1..8789e72 100644
--- a/java/res/values-sw600dp-land/config.xml
+++ b/java/res/values-sw600dp-land/config.xml
@@ -48,7 +48,8 @@
     <fraction name="config_key_letter_ratio_5row">62%</fraction>
     <fraction name="config_key_shifted_letter_hint_ratio_5row">36%</fraction>
 
-    <dimen name="config_suggestions_strip_horizontal_padding">252.0dp</dimen>
+    <dimen name="config_suggestions_strip_height">44dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">180.0dp</dimen>
     <integer name="config_max_more_suggestions_row">5</integer>
     <fraction name="config_min_more_suggestions_width">50%</fraction>
 
diff --git a/java/res/values-sw600dp/config.xml b/java/res/values-sw600dp/config.xml
index 3bd8439..12e9832 100644
--- a/java/res/values-sw600dp/config.xml
+++ b/java/res/values-sw600dp/config.xml
@@ -63,12 +63,12 @@
     <fraction name="config_key_shifted_letter_hint_ratio_5row">27%</fraction>
 
     <dimen name="config_suggestions_strip_height">44dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">0dp</dimen>
     <dimen name="config_more_suggestions_row_height">44dp</dimen>
     <integer name="config_max_more_suggestions_row">6</integer>
     <fraction name="config_min_more_suggestions_width">90%</fraction>
-    <dimen name="config_suggestions_strip_horizontal_padding">94.5dp</dimen>
     <dimen name="config_suggestion_min_width">48.0dp</dimen>
-    <dimen name="config_suggestion_text_horizontal_padding">12dp</dimen>
+    <dimen name="config_suggestion_text_horizontal_padding">10dp</dimen>
     <dimen name="config_suggestion_text_size">22dp</dimen>
     <dimen name="config_more_suggestions_hint_text_size">33dp</dimen>
 
diff --git a/java/res/values-sw768dp-land/config.xml b/java/res/values-sw768dp-land/config.xml
index 3878a9e..17733f0 100644
--- a/java/res/values-sw768dp-land/config.xml
+++ b/java/res/values-sw768dp-land/config.xml
@@ -49,7 +49,8 @@
     <fraction name="config_key_letter_ratio_5row">53%</fraction>
     <fraction name="config_key_shifted_letter_hint_ratio_5row">30%</fraction>
 
-    <dimen name="config_suggestions_strip_horizontal_padding">252.0dp</dimen>
+    <dimen name="config_suggestions_strip_height">44dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">340dp</dimen>
     <fraction name="config_min_more_suggestions_width">50%</fraction>
 
     <!-- Gesture floating preview text parameters -->
diff --git a/java/res/values-sw768dp/config.xml b/java/res/values-sw768dp/config.xml
index 34eec38..647cca9 100644
--- a/java/res/values-sw768dp/config.xml
+++ b/java/res/values-sw768dp/config.xml
@@ -61,12 +61,12 @@
     <fraction name="config_key_shifted_letter_hint_ratio_5row">33%</fraction>
 
     <dimen name="config_suggestions_strip_height">44dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">100dp</dimen>
     <dimen name="config_more_suggestions_row_height">44dp</dimen>
     <integer name="config_max_more_suggestions_row">6</integer>
     <fraction name="config_min_more_suggestions_width">90%</fraction>
-    <dimen name="config_suggestions_strip_horizontal_padding">94.5dp</dimen>
     <dimen name="config_suggestion_min_width">46dp</dimen>
-    <dimen name="config_suggestion_text_horizontal_padding">8dp</dimen>
+    <dimen name="config_suggestion_text_horizontal_padding">10dp</dimen>
     <dimen name="config_suggestion_text_size">22dp</dimen>
     <dimen name="config_more_suggestions_hint_text_size">33dp</dimen>
 
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 45ea483..1ab4927 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -64,10 +64,10 @@
     <fraction name="config_key_shifted_letter_hint_ratio_5row">41%</fraction>
 
     <dimen name="config_suggestions_strip_height">40dp</dimen>
+    <dimen name="config_suggestions_strip_horizontal_margin">0dp</dimen>
     <dimen name="config_more_suggestions_row_height">40dp</dimen>
     <integer name="config_max_more_suggestions_row">6</integer>
     <fraction name="config_min_more_suggestions_width">90%</fraction>
-    <dimen name="config_suggestions_strip_horizontal_padding">0dp</dimen>
     <dimen name="config_suggestion_min_width">44dp</dimen>
     <dimen name="config_suggestion_text_horizontal_padding">6dp</dimen>
     <dimen name="config_suggestion_text_size">18dp</dimen>
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index eb6cdd9..76abb10 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -120,12 +120,7 @@
         name="MoreKeysKeyboardView"
         parent="MainKeyboardView" />
     <style name="MoreKeysKeyboardContainer" />
-    <style name="SuggestionStripView">
-        <item name="suggestionsCountInStrip">@integer/config_suggestions_count_in_strip</item>
-        <item name="centerSuggestionPercentile">@fraction/config_center_suggestion_percentile</item>
-        <item name="maxMoreSuggestionsRow">@integer/config_max_more_suggestions_row</item>
-        <item name="minMoreSuggestionsWidth">@fraction/config_min_more_suggestions_width</item>
-    </style>
+    <style name="SuggestionStripView" />
     <style name="SuggestionWord">
         <item name="android:minWidth">@dimen/config_suggestion_min_width</item>
         <item name="android:textSize">@dimen/config_suggestion_text_size</item>
diff --git a/java/res/values/themes-ics.xml b/java/res/values/themes-ics.xml
index 720eda9..616dbd8 100644
--- a/java/res/values/themes-ics.xml
+++ b/java/res/values/themes-ics.xml
@@ -109,8 +109,12 @@
     </style>
     <style
         name="SuggestionStripView.ICS"
-        parent="SuggestionStripView"
+        parent="KeyboardView.ICS"
     >
+        <item name="suggestionsCountInStrip">@integer/config_suggestions_count_in_strip</item>
+        <item name="centerSuggestionPercentile">@fraction/config_center_suggestion_percentile</item>
+        <item name="maxMoreSuggestionsRow">@integer/config_max_more_suggestions_row</item>
+        <item name="minMoreSuggestionsWidth">@fraction/config_min_more_suggestions_width</item>
         <item name="android:background">@drawable/keyboard_suggest_strip_holo</item>
         <item name="suggestionStripOptions">autoCorrectBold|validTypedWordBold</item>
         <item name="colorValidTypedWord">@color/typed_word_color_ics</item>
diff --git a/java/res/values/themes-klp.xml b/java/res/values/themes-klp.xml
index 8305271..9bb3d79 100644
--- a/java/res/values/themes-klp.xml
+++ b/java/res/values/themes-klp.xml
@@ -109,8 +109,12 @@
     </style>
     <style
         name="SuggestionStripView.KLP"
-        parent="SuggestionStripView"
+        parent="KeyboardView.KLP"
     >
+        <item name="suggestionsCountInStrip">@integer/config_suggestions_count_in_strip</item>
+        <item name="centerSuggestionPercentile">@fraction/config_center_suggestion_percentile</item>
+        <item name="maxMoreSuggestionsRow">@integer/config_max_more_suggestions_row</item>
+        <item name="minMoreSuggestionsWidth">@fraction/config_min_more_suggestions_width</item>
         <item name="android:background">@drawable/keyboard_suggest_strip_holo</item>
         <item name="suggestionStripOptions">autoCorrectBold|validTypedWordBold</item>
         <item name="colorValidTypedWord">@color/typed_word_color_klp</item>
diff --git a/java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java b/java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java
index 627793f..9735645 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryFacilitatorForSuggest.java
@@ -234,6 +234,7 @@
         synchronized (mLock) {
             oldDictionaries = mDictionaries;
             mDictionaries = newDictionaries;
+            mIsUserDictEnabled = UserBinaryDictionary.isEnabled(context);
             if (reloadMainDictionary) {
                 asyncReloadMainDictionary(context, newLocale, listener);
             }
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
index 1d84bb5..8bfa63c 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
@@ -309,9 +309,8 @@
 
         setupWordViewsTextAndColor(suggestedWords, mSuggestionsCountInStrip);
         final TextView centerWordView = mWordViews.get(mCenterPositionInStrip);
-        final int availableStripWidth = placerView.getWidth()
-                - placerView.getPaddingRight() - placerView.getPaddingLeft();
-        final int centerWidth = getSuggestionWidth(mCenterPositionInStrip, availableStripWidth);
+        final int stripWidth = stripView.getWidth();
+        final int centerWidth = getSuggestionWidth(mCenterPositionInStrip, stripWidth);
         final int countInStrip;
         if (suggestedWords.size() == 1 || getTextScaleX(centerWordView.getText(), centerWidth,
                 centerWordView.getPaint()) < MIN_TEXT_XSCALE) {
@@ -319,11 +318,11 @@
             // by consolidating all slots in the strip.
             countInStrip = 1;
             mMoreSuggestionsAvailable = (suggestedWords.size() > countInStrip);
-            layoutWord(mCenterPositionInStrip, availableStripWidth - mPadding);
+            layoutWord(mCenterPositionInStrip, stripWidth - mPadding);
             stripView.addView(centerWordView);
             setLayoutWeight(centerWordView, 1.0f, ViewGroup.LayoutParams.MATCH_PARENT);
             if (SuggestionStripView.DBG) {
-                layoutDebugInfo(mCenterPositionInStrip, placerView, availableStripWidth);
+                layoutDebugInfo(mCenterPositionInStrip, placerView, stripWidth);
             }
         } else {
             countInStrip = mSuggestionsCountInStrip;
@@ -337,7 +336,7 @@
                     x += divider.getMeasuredWidth();
                 }
 
-                final int width = getSuggestionWidth(positionInStrip, availableStripWidth);
+                final int width = getSuggestionWidth(positionInStrip, stripWidth);
                 final TextView wordView = layoutWord(positionInStrip, width);
                 stripView.addView(wordView);
                 setLayoutWeight(wordView, getSuggestionWeight(positionInStrip),
@@ -474,8 +473,8 @@
         return countInStrip;
     }
 
-    public void layoutAddToDictionaryHint(final String word, final ViewGroup addToDictionaryStrip,
-            final int stripWidth) {
+    public void layoutAddToDictionaryHint(final String word, final ViewGroup addToDictionaryStrip) {
+        final int stripWidth = addToDictionaryStrip.getWidth();
         final int width = stripWidth - mDividerWidth - mPadding * 2;
 
         final TextView wordView = (TextView)addToDictionaryStrip.findViewById(R.id.word_to_save);
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
index a0793b1..a578fa4 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
@@ -209,7 +209,7 @@
     }
 
     public void showAddToDictionaryHint(final String word) {
-        mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip, getWidth());
+        mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip);
         // {@link TextView#setTag()} is used to hold the word to be added to dictionary. The word
         // will be extracted at {@link #onClick(View)}.
         mAddToDictionaryStrip.setTag(word);
diff --git a/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java b/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
index f2a1e52..48e43d6 100644
--- a/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
+++ b/java/src/com/android/inputmethod/latin/utils/DistracterFilter.java
@@ -40,7 +40,7 @@
         mKeyboard = keyboard;
     }
 
-    public boolean isDistractorToWordsInDictionaries(final String prevWord,
+    public boolean isDistracterToWordsInDictionaries(final String prevWord,
             final String targetWord) {
         // TODO: to be implemented
         return false;
diff --git a/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java b/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
index 5ce977d..55061f4 100644
--- a/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
+++ b/java/src/com/android/inputmethod/latin/utils/LanguageModelParam.java
@@ -80,7 +80,8 @@
     public static ArrayList<LanguageModelParam> createLanguageModelParamsFrom(
             final ArrayList<String> tokens, final int timestamp,
             final DictionaryFacilitatorForSuggest dictionaryFacilitator,
-            final SpacingAndPunctuations spacingAndPunctuations) {
+            final SpacingAndPunctuations spacingAndPunctuations,
+            final DistracterFilter distracterFilter) {
         final ArrayList<LanguageModelParam> languageModelParams =
                 CollectionUtils.newArrayList();
         final int N = tokens.size();
@@ -109,7 +110,8 @@
             }
             final LanguageModelParam languageModelParam =
                     detectWhetherVaildWordOrNotAndGetLanguageModelParam(
-                            prevWord, tempWord, timestamp, dictionaryFacilitator);
+                            prevWord, tempWord, timestamp, dictionaryFacilitator,
+                            distracterFilter);
             if (languageModelParam == null) {
                 continue;
             }
@@ -121,27 +123,33 @@
 
     private static LanguageModelParam detectWhetherVaildWordOrNotAndGetLanguageModelParam(
             final String prevWord, final String targetWord, final int timestamp,
-            final DictionaryFacilitatorForSuggest dictionaryFacilitator) {
+            final DictionaryFacilitatorForSuggest dictionaryFacilitator,
+            final DistracterFilter distracterFilter) {
         final Locale locale = dictionaryFacilitator.getLocale();
         if (locale == null) {
             return null;
         }
-        if (!dictionaryFacilitator.isValidWord(targetWord, true /* ignoreCase */)) {
-            // OOV word.
-            return createAndGetLanguageModelParamOfWord(prevWord, targetWord, timestamp,
-                    false /* isValidWord */, locale);
-        }
         if (dictionaryFacilitator.isValidWord(targetWord, false /* ignoreCase */)) {
             return createAndGetLanguageModelParamOfWord(prevWord, targetWord, timestamp,
                     true /* isValidWord */, locale);
         }
+
         final String lowerCaseTargetWord = targetWord.toLowerCase(locale);
         if (dictionaryFacilitator.isValidWord(lowerCaseTargetWord, false /* ignoreCase */)) {
             // Add the lower-cased word.
             return createAndGetLanguageModelParamOfWord(prevWord, lowerCaseTargetWord,
                     timestamp, true /* isValidWord */, locale);
         }
-        // Treat the word as an OOV word.
+
+        // Treat the word as an OOV word. The following statement checks whether this OOV
+        // is a distracter to words in dictionaries. Being a distracter means the OOV word is
+        // too close to a common word in dictionaries (e.g., the OOV "mot" is very close to "not").
+        // Adding such a word to dictonaries would interfere with entering in-dictionary words. For
+        // example, adding "mot" to dictionaries might interfere with entering "not".
+        // This kind of OOV should be filtered out.
+        if (distracterFilter.isDistracterToWordsInDictionaries(prevWord, targetWord)) {
+            return null;
+        }
         return createAndGetLanguageModelParamOfWord(prevWord, targetWord, timestamp,
                 false /* isValidWord */, locale);
     }
diff --git a/native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h b/native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h
index 23cbe3a..a2e88a4 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h
+++ b/native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h
@@ -37,13 +37,13 @@
     BufferWithExtendableBuffer(uint8_t *const originalBuffer, const int originalBufferSize,
             const int maxAdditionalBufferSize)
             : mOriginalBuffer(originalBuffer), mOriginalBufferSize(originalBufferSize),
-              mAdditionalBuffer(EXTEND_ADDITIONAL_BUFFER_SIZE_STEP), mUsedAdditionalBufferSize(0),
+              mAdditionalBuffer(0), mUsedAdditionalBufferSize(0),
               mMaxAdditionalBufferSize(maxAdditionalBufferSize) {}
 
     // Without original buffer.
     BufferWithExtendableBuffer(const int maxAdditionalBufferSize)
             : mOriginalBuffer(0), mOriginalBufferSize(0),
-              mAdditionalBuffer(EXTEND_ADDITIONAL_BUFFER_SIZE_STEP), mUsedAdditionalBufferSize(0),
+              mAdditionalBuffer(0), mUsedAdditionalBufferSize(0),
               mMaxAdditionalBufferSize(maxAdditionalBufferSize) {}
 
     AK_FORCE_INLINE int getTailPosition() const {