removes derived states and some remember functions for performance.

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleUserDataSource.kt

@@ -31,7 +31,7 @@ import com.vitorpamplona.quartz.events.ReportEvent
 import com.vitorpamplona.quartz.events.StatusEvent
 
 object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
-    var usersToWatch = setOf<User>()
+    private var usersToWatch = setOf<User>()
 
     fun createUserMetadataFilter(): List<TypedFilter>? {
         if (usersToWatch.isEmpty()) return null
@@ -83,8 +83,7 @@ object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
                             ),
                     ),
                 )
-            }
-            .flatten()
+            }.flatten()
     }
 
     val userChannel =
@@ -110,8 +109,7 @@ object NostrSingleUserDataSource : NostrDataSource("SingleUserFeed") {
             listOfNotNull(
                 createUserMetadataFilter(),
                 createUserMetadataStatusReportFilter(),
-            )
-                .flatten()
+            ).flatten()
                 .ifEmpty { null }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppBottomBar.kt

@@ -35,7 +35,6 @@ import androidx.compose.material3.NavigationBarItem
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.State
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -146,12 +145,16 @@ private fun RowScope.HasNewItemsIcon(
     navEntryState: State<NavBackStackEntry?>,
     nav: (Route, Boolean) -> Unit,
 ) {
-    val selected by
-        remember(navEntryState.value) {
-            derivedStateOf { navEntryState.value?.destination?.route?.substringBefore("?") == route.base }
-        }
+    val selected =
+        (
+            navEntryState.value
+                ?.destination
+                ?.route
+                ?.indexOf(route.base) ?: -1
+        ) > -1
 
     NavigationBarItem(
+        alwaysShowLabel = false,
         icon = {
             NotifiableIcon(
                 selected,

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/ThreadFeedView.kt

@@ -47,7 +47,6 @@ import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -405,11 +404,9 @@ private fun FullBleedNoteCompose(
                 Row(verticalAlignment = Alignment.CenterVertically) {
                     NoteUsernameDisplay(baseNote, Modifier.weight(1f))
 
-                    val isCommunityPost by
+                    val isCommunityPost =
                         remember(baseNote) {
-                            derivedStateOf {
-                                baseNote.event?.isTaggedAddressableKind(CommunityDefinitionEvent.KIND) == true
-                            }
+                            baseNote.event?.isTaggedAddressableKind(CommunityDefinitionEvent.KIND) == true
                         }
 
                     if (isCommunityPost) {

quartz/src/main/java/com/vitorpamplona/quartz/events/Event.kt

@@ -143,7 +143,7 @@ open class Event(
 
     override fun isSensitive() =
         tags.any {
-            (it.size > 0 && it[0].equals("content-warning")) ||
+            (it.size > 0 && it[0] == "content-warning") ||
                 (it.size > 1 && it[0] == "t" && (it[1].equals("nsfw", true) || it[1].equals("nude", true)))
         }