diff --git a/app/src/main/java/helium314/keyboard/latin/settings/DebugSettingsFragment.java b/app/src/main/java/helium314/keyboard/latin/settings/DebugSettingsFragment.java
index 778e0510..578c0fae 100644
--- a/app/src/main/java/helium314/keyboard/latin/settings/DebugSettingsFragment.java
+++ b/app/src/main/java/helium314/keyboard/latin/settings/DebugSettingsFragment.java
@@ -30,7 +30,7 @@ import helium314.keyboard.latin.R;
 public final class DebugSettingsFragment extends SubScreenFragment
         implements Preference.OnPreferenceClickListener {
     private static final String PREF_KEY_DUMP_DICTS = "dump_dictionaries";
-    private static final String PREF_KEY_DUMP_DICT_PREFIX = "dump_dictionaries";
+    public static final String PREF_KEY_DUMP_DICT_PREFIX = "dump_dictionaries";
 
     private boolean mServiceNeedsRestart = false;
     private TwoStatePreference mDebugMode;
diff --git a/app/src/main/java/helium314/keyboard/settings/SettingsActivity.kt b/app/src/main/java/helium314/keyboard/settings/SettingsActivity.kt
index 45e9caab..086ef8f5 100644
--- a/app/src/main/java/helium314/keyboard/settings/SettingsActivity.kt
+++ b/app/src/main/java/helium314/keyboard/settings/SettingsActivity.kt
@@ -13,8 +13,11 @@ import helium314.keyboard.latin.settings.Settings
 import kotlinx.coroutines.flow.MutableStateFlow
 
 // todo
+//  test release vs old release for settings start speed
+//   also when coming from keyboard
+//    good way to measure startup time? e.g. sth in activity, or in composable, compared to settings button
+//   check if there are simple ways to improve it (try kicking out "everything" at start)
 //  more pref screens
-//   debug
 //   appearance
 //   colors
 //   personal dictionary
@@ -55,7 +58,8 @@ import kotlinx.coroutines.flow.MutableStateFlow
 //    -> users confused, but probably better than the 2 above
 //  adjust layout a little, there is too much empty space and titles are too large (dialogs!)
 //  check dialogs have the same colors
-//  list preference -> we can make auto_correct_threshold a float directly
+//  list preference -> we can make auto_correct_threshold a float directly (needs pref upgrade
+//  actually test all the settings
 
 // maybe later
 //  weird problem with app sometimes closing on back, but that's related to "old" settings (don't care if all are removed)
diff --git a/app/src/main/java/helium314/keyboard/settings/screens/DebugScreen.kt b/app/src/main/java/helium314/keyboard/settings/screens/DebugScreen.kt
index 576311bb..edfde288 100644
--- a/app/src/main/java/helium314/keyboard/settings/screens/DebugScreen.kt
+++ b/app/src/main/java/helium314/keyboard/settings/screens/DebugScreen.kt
@@ -1,20 +1,28 @@
 package helium314.keyboard.settings.screens
 
 import android.content.Context
+import android.content.Intent
 import androidx.compose.material3.Surface
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
+import helium314.keyboard.latin.BuildConfig
+import helium314.keyboard.latin.DictionaryDumpBroadcastReceiver
+import helium314.keyboard.latin.DictionaryFacilitator
 import helium314.keyboard.latin.R
 import helium314.keyboard.latin.settings.DebugSettings
+import helium314.keyboard.latin.settings.DebugSettingsFragment
 import helium314.keyboard.settings.AllPrefs
 import helium314.keyboard.settings.PrefDef
+import helium314.keyboard.settings.Preference
 import helium314.keyboard.settings.PreferenceCategory
 import helium314.keyboard.settings.SearchPrefScreen
 import helium314.keyboard.settings.SettingsActivity2
 import helium314.keyboard.settings.SwitchPreference
 import helium314.keyboard.settings.Theme
+import helium314.keyboard.settings.prefs
+import helium314.keyboard.settings.themeChanged
 
 @Composable
 fun DebugScreen(
@@ -30,29 +38,52 @@ fun DebugScreen(
         SettingsActivity2.allPrefs.map[DebugSettings.PREF_FORCE_NON_DISTINCT_MULTITOUCH]!!.Preference()
         SettingsActivity2.allPrefs.map[DebugSettings.PREF_SLIDING_KEY_INPUT_PREVIEW]!!.Preference()
         PreferenceCategory(stringResource(R.string.prefs_dump_dynamic_dicts)) {
-            // todo: fill it
+            DictionaryFacilitator.DYNAMIC_DICTIONARY_TYPES.forEach {
+                SettingsActivity2.allPrefs.map[DebugSettingsFragment.PREF_KEY_DUMP_DICT_PREFIX + it]!!.Preference()
+            }
         }
     }
 }
 
 fun createDebugPrefs(context: Context) = listOf(
     PrefDef(context, DebugSettings.PREF_SHOW_DEBUG_SETTINGS, R.string.prefs_show_debug_settings) { def ->
-        SwitchPreference(def, false)
+        val prefs = LocalContext.current.prefs()
+        SwitchPreference(
+            name = def.title,
+            pref = def.key,
+            default = false,
+            description = stringResource(R.string.version_text, BuildConfig.VERSION_NAME)
+        ) { if (!it) prefs.edit().putBoolean(DebugSettings.PREF_DEBUG_MODE, false).apply() }
     },
     PrefDef(context, DebugSettings.PREF_DEBUG_MODE, R.string.prefs_debug_mode) { def ->
-        SwitchPreference(def, false)
+        val prefs = LocalContext.current.prefs()
+        SwitchPreference(def, false) {
+            needsRestart = true
+            if (!it) prefs.edit().putBoolean(DebugSettings.PREF_SHOW_SUGGESTION_INFOS, false).apply()
+        }
     },
     PrefDef(context, DebugSettings.PREF_SHOW_SUGGESTION_INFOS, R.string.prefs_show_suggestion_infos) { def ->
-        SwitchPreference(def, false)
+        SwitchPreference(def, false) { themeChanged = true }
     },
     PrefDef(context, DebugSettings.PREF_FORCE_NON_DISTINCT_MULTITOUCH, R.string.prefs_force_non_distinct_multitouch) { def ->
-        SwitchPreference(def, false)
+        SwitchPreference(def, false) { needsRestart = true }
     },
     PrefDef(context, DebugSettings.PREF_SLIDING_KEY_INPUT_PREVIEW, R.string.sliding_key_input_preview, R.string.sliding_key_input_preview_summary) { def ->
         SwitchPreference(def, false)
     },
-    // todo: what about "dump dictionaries"?
-)
+) + DictionaryFacilitator.DYNAMIC_DICTIONARY_TYPES.map {
+    PrefDef(context, DebugSettingsFragment.PREF_KEY_DUMP_DICT_PREFIX + it, R.string.button_default) { def ->
+        val ctx = LocalContext.current
+        Preference(
+            name = "Dump $it dictionary",
+            onClick = {
+                val intent = Intent(DictionaryDumpBroadcastReceiver.DICTIONARY_DUMP_INTENT_ACTION)
+                intent.putExtra(DictionaryDumpBroadcastReceiver.DICTIONARY_NAME_KEY, it)
+                ctx.sendBroadcast(intent)
+            }
+        )
+    }
+}
 
 @Preview
 @Composable
@@ -64,3 +95,6 @@ private fun Preview() {
         }
     }
 }
+
+// todo: actually use it
+var needsRestart = false