diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/alternatives/domain/MigrateUseCase.kt b/app/src/main/kotlin/org/koitharu/kotatsu/alternatives/domain/MigrateUseCase.kt
index 8f1fbb50d..495e42f45 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/alternatives/domain/MigrateUseCase.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/alternatives/domain/MigrateUseCase.kt
@@ -69,6 +69,7 @@ class MigrateUseCase @Inject constructor(
 					lastCheckTime = System.currentTimeMillis(),
 					lastChapterDate = lastChapter?.uploadDate ?: 0L,
 					lastResult = TrackEntity.RESULT_EXTERNAL_MODIFICATION,
+					lastError = null,
 				)
 				tracksDao.delete(oldDetails.id)
 				tracksDao.upsert(newTrack)
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonDeserializer.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonDeserializer.kt
index 53e26189d..02229b7de 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonDeserializer.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/backup/JsonDeserializer.kt
@@ -84,6 +84,7 @@ class JsonDeserializer(private val json: JSONObject) {
 		source = json.getString("source"),
 		isEnabled = json.getBoolean("enabled"),
 		sortKey = json.getInt("sort_key"),
+		addedIn = json.getIntOrDefault("added_in", 0),
 	)
 
 	fun toMap(): Map<String, Any?> {
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt
index c0b3d6efa..bda4584aa 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt
@@ -33,6 +33,7 @@ import org.koitharu.kotatsu.core.db.migrations.Migration17To18
 import org.koitharu.kotatsu.core.db.migrations.Migration18To19
 import org.koitharu.kotatsu.core.db.migrations.Migration19To20
 import org.koitharu.kotatsu.core.db.migrations.Migration1To2
+import org.koitharu.kotatsu.core.db.migrations.Migration20To21
 import org.koitharu.kotatsu.core.db.migrations.Migration2To3
 import org.koitharu.kotatsu.core.db.migrations.Migration3To4
 import org.koitharu.kotatsu.core.db.migrations.Migration4To5
@@ -58,7 +59,7 @@ import org.koitharu.kotatsu.tracker.data.TrackEntity
 import org.koitharu.kotatsu.tracker.data.TrackLogEntity
 import org.koitharu.kotatsu.tracker.data.TracksDao
 
-const val DATABASE_VERSION = 20
+const val DATABASE_VERSION = 21
 
 @Database(
 	entities = [
@@ -118,6 +119,7 @@ fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(
 	Migration17To18(),
 	Migration18To19(),
 	Migration19To20(),
+	Migration20To21(),
 )
 
 fun MangaDatabase(context: Context): MangaDatabase = Room
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaSourcesDao.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaSourcesDao.kt
index a9a9e1f02..5e0255111 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaSourcesDao.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/MangaSourcesDao.kt
@@ -11,6 +11,7 @@ import androidx.sqlite.db.SimpleSQLiteQuery
 import androidx.sqlite.db.SupportSQLiteQuery
 import kotlinx.coroutines.flow.Flow
 import org.intellij.lang.annotations.Language
+import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
 import org.koitharu.kotatsu.explore.data.SourcesSortOrder
 
@@ -68,6 +69,7 @@ abstract class MangaSourcesDao {
 				source = source,
 				isEnabled = isEnabled,
 				sortKey = getMaxSortKey() + 1,
+				addedIn = BuildConfig.VERSION_CODE,
 			)
 			upsert(entity)
 		}
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaSourceEntity.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaSourceEntity.kt
index 00243e8df..8c8784a46 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaSourceEntity.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaSourceEntity.kt
@@ -14,4 +14,5 @@ data class MangaSourceEntity(
 	val source: String,
 	@ColumnInfo(name = "enabled") val isEnabled: Boolean,
 	@ColumnInfo(name = "sort_key", index = true) val sortKey: Int,
+	@ColumnInfo(name = "added_in") val addedIn: Int,
 )
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration20To21.kt b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration20To21.kt
new file mode 100644
index 000000000..462b77261
--- /dev/null
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration20To21.kt
@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.core.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration20To21 : Migration(20, 21) {
+
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE tracks ADD COLUMN `last_error` TEXT DEFAULT NULL")
+		db.execSQL("ALTER TABLE sources ADD COLUMN `added_in` INTEGER NOT NULL DEFAULT 0")
+	}
+}
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt b/app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt
index 48e01376b..8936dd8a0 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt
@@ -156,6 +156,7 @@ class MangaSourcesRepository @Inject constructor(
 		}
 	}
 
+	@Deprecated("")
 	suspend fun assimilateNewSources(): Set<MangaSource> {
 		val new = getNewSources()
 		if (new.isEmpty()) {
@@ -167,6 +168,7 @@ class MangaSourcesRepository @Inject constructor(
 				source = x.name,
 				isEnabled = false,
 				sortKey = ++maxSortKey,
+				addedIn = BuildConfig.VERSION_CODE,
 			)
 		}
 		dao.insertIfAbsent(entities)
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogActivity.kt b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogActivity.kt
index a8b30a06a..865c4544f 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogActivity.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogActivity.kt
@@ -6,30 +6,32 @@ import android.view.View
 import androidx.activity.viewModels
 import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.Insets
-import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import coil.ImageLoader
 import com.google.android.material.appbar.AppBarLayout
+import com.google.android.material.chip.Chip
 import com.google.android.material.snackbar.Snackbar
-import com.google.android.material.tabs.TabLayoutMediator
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
+import org.koitharu.kotatsu.core.ui.widgets.ChipsView
 import org.koitharu.kotatsu.core.util.ext.getDisplayName
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.toLocale
 import org.koitharu.kotatsu.databinding.ActivitySourcesCatalogBinding
+import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
+import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.settings.newsources.NewSourcesDialogFragment
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class SourcesCatalogActivity : BaseActivity<ActivitySourcesCatalogBinding>(),
 	OnListItemClickListener<SourceCatalogItem.Source>,
-	AppBarOwner, MenuItem.OnActionExpandListener {
+	AppBarOwner, MenuItem.OnActionExpandListener, ChipsView.OnChipClickListener {
 
 	@Inject
 	lateinit var coil: ImageLoader
@@ -45,18 +47,24 @@ class SourcesCatalogActivity : BaseActivity<ActivitySourcesCatalogBinding>(),
 		super.onCreate(savedInstanceState)
 		setContentView(ActivitySourcesCatalogBinding.inflate(layoutInflater))
 		supportActionBar?.setDisplayHomeAsUpEnabled(true)
-		val pagerAdapter = SourcesCatalogPagerAdapter(this, coil, this)
-		viewBinding.pager.adapter = pagerAdapter
-		val tabMediator = TabLayoutMediator(viewBinding.tabs, viewBinding.pager, pagerAdapter)
-		tabMediator.attach()
-		viewModel.content.observe(this, pagerAdapter)
+		val sourcesAdapter = SourcesCatalogAdapter(this, coil, this)
+		with(viewBinding.recyclerView) {
+			setHasFixedSize(true)
+			addItemDecoration(TypedListSpacingDecoration(context, false))
+			adapter = sourcesAdapter
+		}
+		viewBinding.chipsFilter.onChipClickListener = this
+		viewModel.content.observe(this, sourcesAdapter)
 		viewModel.hasNewSources.observe(this, ::onHasNewSourcesChanged)
 		viewModel.onActionDone.observeEvent(
 			this,
-			ReversibleActionObserver(viewBinding.pager),
+			ReversibleActionObserver(viewBinding.recyclerView),
 		)
-		viewModel.locale.observe(this) {
-			supportActionBar?.subtitle = it?.toLocale().getDisplayName(this)
+		viewModel.appliedFilter.observe(this) {
+			supportActionBar?.subtitle = it.locale?.toLocale().getDisplayName(this)
+		}
+		viewModel.filter.observe(this) {
+			viewBinding.chipsFilter.setChips(it)
 		}
 		addMenuProvider(SourcesCatalogMenuProvider(this, viewModel, this))
 	}
@@ -68,21 +76,23 @@ class SourcesCatalogActivity : BaseActivity<ActivitySourcesCatalogBinding>(),
 		)
 	}
 
+	override fun onChipClick(chip: Chip, data: Any?) {
+		when (data) {
+			is ContentType -> viewModel.setContentType(data, chip.isChecked)
+		}
+	}
+
 	override fun onItemClick(item: SourceCatalogItem.Source, view: View) {
 		viewModel.addSource(item.source)
 	}
 
 	override fun onMenuItemActionExpand(item: MenuItem): Boolean {
-		viewBinding.tabs.isVisible = false
-		viewBinding.pager.isUserInputEnabled = false
 		val sq = (item.actionView as? SearchView)?.query?.trim()?.toString().orEmpty()
 		viewModel.performSearch(sq)
 		return true
 	}
 
 	override fun onMenuItemActionCollapse(item: MenuItem): Boolean {
-		viewBinding.tabs.isVisible = true
-		viewBinding.pager.isUserInputEnabled = true
 		viewModel.performSearch(null)
 		return true
 	}
@@ -92,7 +102,7 @@ class SourcesCatalogActivity : BaseActivity<ActivitySourcesCatalogBinding>(),
 			if (newSourcesSnackbar?.isShownOrQueued == true) {
 				return
 			}
-			val snackbar = Snackbar.make(viewBinding.pager, R.string.new_sources_text, Snackbar.LENGTH_INDEFINITE)
+			val snackbar = Snackbar.make(viewBinding.recyclerView, R.string.new_sources_text, Snackbar.LENGTH_INDEFINITE)
 			snackbar.setAction(R.string.explore) {
 				NewSourcesDialogFragment.show(supportFragmentManager)
 			}
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogFilter.kt b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogFilter.kt
new file mode 100644
index 000000000..979ed677a
--- /dev/null
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogFilter.kt
@@ -0,0 +1,9 @@
+package org.koitharu.kotatsu.settings.sources.catalog
+
+import org.koitharu.kotatsu.parsers.model.ContentType
+import java.util.Locale
+
+data class SourcesCatalogFilter(
+	val types: Set<ContentType>,
+	val locale: String?,
+)
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogListProducer.kt b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogListProducer.kt
index 40c42c3e2..3d11ff033 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogListProducer.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogListProducer.kt
@@ -19,6 +19,7 @@ import org.koitharu.kotatsu.core.util.ext.lifecycleScope
 import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
 import org.koitharu.kotatsu.parsers.model.ContentType
 
+@Deprecated("")
 class SourcesCatalogListProducer @AssistedInject constructor(
 	@Assisted private val locale: String?,
 	@Assisted private val contentType: ContentType,
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogViewModel.kt b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogViewModel.kt
index 6d573ac34..c8f4ffe99 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogViewModel.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/catalog/SourcesCatalogViewModel.kt
@@ -1,29 +1,25 @@
 package org.koitharu.kotatsu.settings.sources.catalog
 
-import androidx.annotation.MainThread
 import androidx.lifecycle.viewModelScope
-import dagger.hilt.android.internal.lifecycle.RetainedLifecycleImpl
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.ui.widgets.ChipsView.ChipModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.explore.data.MangaSourcesRepository
 import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.mapToSet
-import java.util.EnumMap
 import java.util.EnumSet
 import java.util.Locale
 import javax.inject.Inject
@@ -31,41 +27,40 @@ import javax.inject.Inject
 @HiltViewModel
 class SourcesCatalogViewModel @Inject constructor(
 	private val repository: MangaSourcesRepository,
-	private val listProducerFactory: SourcesCatalogListProducer.Factory,
-	private val settings: AppSettings,
 ) : BaseViewModel() {
 
-	private val lifecycle = RetainedLifecycleImpl()
-	private var searchQuery: String? = null
 	val onActionDone = MutableEventFlow<ReversibleAction>()
 	val locales = repository.allMangaSources.mapToSet { it.locale }
-	val locale = MutableStateFlow(Locale.getDefault().language.takeIf { it in locales })
+
+	private val searchQuery = MutableStateFlow<String?>(null)
+	val appliedFilter = MutableStateFlow(
+		SourcesCatalogFilter(
+			types = emptySet(),
+			locale = Locale.getDefault().language.takeIf { it in locales },
+		),
+	)
 
 	val hasNewSources = repository.observeNewSources()
 		.map { it.isNotEmpty() }
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, false)
 
-	private val listProducers = locale.map { lc ->
-		createListProducers(lc)
-	}.stateIn(viewModelScope, SharingStarted.Eagerly, createListProducers(locale.value))
+	val filter: StateFlow<List<ChipModel>> = appliedFilter.map {
+		buildFilter(it)
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, buildFilter(appliedFilter.value))
 
-	val content: StateFlow<List<SourceCatalogPage>> = listProducers.flatMapLatest {
-		val flows = it.entries.map { (type, producer) -> producer.list.map { x -> SourceCatalogPage(type, x) } }
-		combine<SourceCatalogPage, List<SourceCatalogPage>>(flows, Array<SourceCatalogPage>::toList)
+	val content: StateFlow<List<SourceCatalogItem>> = combine(
+		searchQuery,
+		appliedFilter,
+	) { q, f ->
+		buildSourcesList(f, q)
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	override fun onCleared() {
-		super.onCleared()
-		lifecycle.dispatchOnCleared()
-	}
-
 	fun performSearch(query: String?) {
-		searchQuery = query
-		listProducers.value.forEach { (_, v) -> v.setQuery(query) }
+		searchQuery.value = query?.trim()
 	}
 
 	fun setLocale(value: String?) {
-		locale.value = value
+		appliedFilter.value = appliedFilter.value.copy(locale = value)
 	}
 
 	fun addSource(source: MangaSource) {
@@ -81,15 +76,64 @@ class SourcesCatalogViewModel @Inject constructor(
 		}
 	}
 
-	@MainThread
-	private fun createListProducers(lc: String?): Map<ContentType, SourcesCatalogListProducer> {
-		val types = EnumSet.allOf(ContentType::class.java)
-		if (settings.isNsfwContentDisabled) {
-			types.remove(ContentType.HENTAI)
+	fun setContentType(value: ContentType, isAdd: Boolean) {
+		val filter = appliedFilter.value
+		val types = EnumSet.noneOf(ContentType::class.java)
+		types.addAll(filter.types)
+		if (isAdd) {
+			types.add(value)
+		} else {
+			types.remove(value)
 		}
-		return types.associateWithTo(EnumMap(ContentType::class.java)) { type ->
-			listProducerFactory.create(lc, type, lifecycle).also {
-				it.setQuery(searchQuery)
+		appliedFilter.value = filter.copy(types = types)
+	}
+
+	private fun buildFilter(applied: SourcesCatalogFilter): List<ChipModel> = buildList(ContentType.entries.size) {
+		for (ct in ContentType.entries) {
+			add(
+				ChipModel(
+					tint = 0,
+					title = ct.name,
+					icon = 0,
+					isCheckable = true,
+					isChecked = ct in applied.types,
+					data = ct,
+				),
+			)
+		}
+	}
+
+	private suspend fun buildSourcesList(filter: SourcesCatalogFilter, query: String?): List<SourceCatalogItem> {
+		val sources = repository.getDisabledSources().toMutableList()
+		sources.retainAll {
+			(filter.types.isEmpty() || it.contentType in filter.types) && it.locale == filter.locale
+		}
+		if (!query.isNullOrEmpty()) {
+			sources.retainAll { it.title.contains(query, ignoreCase = true) }
+		}
+		return if (sources.isEmpty()) {
+			listOf(
+				if (query == null) {
+					SourceCatalogItem.Hint(
+						icon = R.drawable.ic_empty_feed,
+						title = R.string.no_manga_sources,
+						text = R.string.no_manga_sources_catalog_text,
+					)
+				} else {
+					SourceCatalogItem.Hint(
+						icon = R.drawable.ic_empty_feed,
+						title = R.string.nothing_found,
+						text = R.string.no_manga_sources_found,
+					)
+				},
+			)
+		} else {
+			sources.sortBy { it.title }
+			sources.map {
+				SourceCatalogItem.Source(
+					source = it,
+					showSummary = query != null,
+				)
 			}
 		}
 	}
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt b/app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt
index c152253ac..127a60b4c 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt
@@ -25,6 +25,7 @@ class TrackEntity(
 	@ColumnInfo(name = "last_check_time") val lastCheckTime: Long,
 	@ColumnInfo(name = "last_chapter_date") val lastChapterDate: Long,
 	@ColumnInfo(name = "last_result") val lastResult: Int,
+	@ColumnInfo(name = "last_error") val lastError: String?,
 ) {
 
 	companion object {
@@ -42,6 +43,7 @@ class TrackEntity(
 			lastCheckTime = 0L,
 			lastChapterDate = 0,
 			lastResult = RESULT_NONE,
+			lastError = null,
 		)
 	}
 }
diff --git a/app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt b/app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt
index 628b5ea29..011d50a0e 100644
--- a/app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt
+++ b/app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/TrackingRepository.kt
@@ -174,6 +174,7 @@ class TrackingRepository @Inject constructor(
 			lastCheckTime = tracking.lastCheck?.toEpochMilli() ?: 0L,
 			lastChapterDate = tracking.lastChapterDate?.toEpochMilli() ?: 0L,
 			lastResult = TrackEntity.RESULT_EXTERNAL_MODIFICATION,
+			lastError = null,
 		)
 		db.getTracksDao().upsert(entity)
 	}
@@ -230,6 +231,7 @@ class TrackingRepository @Inject constructor(
 				lastCheckTime = System.currentTimeMillis(),
 				lastChapterDate = lastChapterDate,
 				lastResult = TrackEntity.RESULT_FAILED,
+				lastError = updates.error?.toString(),
 			)
 
 			is MangaUpdates.Success -> TrackEntity(
@@ -239,6 +241,7 @@ class TrackingRepository @Inject constructor(
 				lastCheckTime = System.currentTimeMillis(),
 				lastChapterDate = updates.lastChapterDate().ifZero { lastChapterDate },
 				lastResult = if (updates.isNotEmpty()) TrackEntity.RESULT_HAS_UPDATE else TrackEntity.RESULT_NO_UPDATE,
+				lastError = null,
 			)
 		}
 	}
diff --git a/app/src/main/res/layout/activity_sources_catalog.xml b/app/src/main/res/layout/activity_sources_catalog.xml
index 7b844cac0..528ad1107 100644
--- a/app/src/main/res/layout/activity_sources_catalog.xml
+++ b/app/src/main/res/layout/activity_sources_catalog.xml
@@ -19,19 +19,36 @@
 			android:layout_width="match_parent"
 			android:layout_height="?attr/actionBarSize" />
 
-		<com.google.android.material.tabs.TabLayout
-			android:id="@+id/tabs"
+		<HorizontalScrollView
+			android:id="@+id/scrollView_chips"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
-			app:tabGravity="start"
-			app:tabMode="scrollable" />
+			android:clipToPadding="false"
+			android:paddingHorizontal="@dimen/list_spacing_large"
+			android:scrollbars="none">
+
+			<org.koitharu.kotatsu.core.ui.widgets.ChipsView
+				android:id="@+id/chips_filter"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:clipChildren="false"
+				android:clipToPadding="false"
+				android:paddingVertical="@dimen/margin_small"
+				app:chipStyle="@style/Widget.Kotatsu.Chip.Filter"
+				app:selectionRequired="false"
+				app:singleLine="true"
+				app:singleSelection="false" />
+
+		</HorizontalScrollView>
 
 	</com.google.android.material.appbar.AppBarLayout>
 
-	<androidx.viewpager2.widget.ViewPager2
-		android:id="@+id/pager"
+	<androidx.recyclerview.widget.RecyclerView
+		android:id="@+id/recyclerView"
 		android:layout_width="match_parent"
 		android:layout_height="match_parent"
+		android:scrollbars="vertical"
+		app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
 		app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" />
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>