diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4b61a23ff..eabd6a44c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -61,6 +61,7 @@
     * `BasketballDiceAnimationType` was added
     * `UnknownDiceAnimationType` now is deprecated due to renaming - currently it is typealias for `CustomDiceAnimationType`
         * `CustomDiceAnimationType` now is `data` class instead of common class
+    * `FlowsUpdatesFilter` will use size 64 by default for internal broadcast channels
 * `TelegramBotAPI-extensions-api`:
     * Long Polling extensions now are deprecated in this project. It was replaced into `TelegramBotAPI-extensions-utils`
     * Several `telegramBot` functions was renamed into `telegramBotWithCustomClientConfig`
diff --git a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/SetWebhook.kt b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/SetWebhook.kt
index 703c6ac043..e662818d14 100644
--- a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/SetWebhook.kt
+++ b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/webhook/SetWebhook.kt
@@ -40,6 +40,7 @@ fun SetWebhook(
     allowedUpdates
 )
 
+@Suppress("USELESS_CAST")
 fun SetWebhook(
     url: String,
     certificate: InputFile,
diff --git a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/updateshandlers/FlowsUpdatesFilter.kt b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/updateshandlers/FlowsUpdatesFilter.kt
index ffde4ccb35..052e1a8f03 100644
--- a/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/updateshandlers/FlowsUpdatesFilter.kt
+++ b/TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/updateshandlers/FlowsUpdatesFilter.kt
@@ -3,17 +3,16 @@ package com.github.insanusmokrassar.TelegramBotAPI.updateshandlers
 import com.github.insanusmokrassar.TelegramBotAPI.types.update.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.update.MediaGroupUpdates.*
 import com.github.insanusmokrassar.TelegramBotAPI.types.update.abstracts.Update
-import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.channels.BroadcastChannel
-import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.asFlow
 
+@Suppress("EXPERIMENTAL_API_USAGE")
 private fun <T> BroadcastChannel<T>.createUpdateReceiver(): UpdateReceiver<T> = ::send
 
-@FlowPreview
+@Suppress("EXPERIMENTAL_API_USAGE", "unused")
 class FlowsUpdatesFilter(
-    broadcastChannelsSize: Int = Channel.CONFLATED
+    broadcastChannelsSize: Int = 64
 ): UpdatesFilter {
     private val messageChannel: BroadcastChannel<MessageUpdate> = BroadcastChannel(broadcastChannelsSize)
     private val messageMediaGroupChannel: BroadcastChannel<MessageMediaGroupUpdate> = BroadcastChannel(broadcastChannelsSize)