diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74684b3d5a..98e10f58f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # TelegramBotAPI changelog
 
+## 0.32.1
+
+* `Core`:
+    * Fix of [#272](https://github.com/InsanusMokrassar/TelegramBotAPI/issues/272)
+* `Utils`:
+    * Fix of [#273](https://github.com/InsanusMokrassar/TelegramBotAPI/issues/273)
+
 ## 0.32.0
 
 **THIS UPDATE CONTAINS BREAKING CHANGES**
diff --git a/gradle.properties b/gradle.properties
index 710eeb454a..a70f642b88 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -17,6 +17,6 @@ micro_utils_version=0.4.23
 javax_activation_version=1.1.1
 
 library_group=dev.inmo
-library_version=0.32.0
+library_version=0.32.1
 
 github_release_plugin_version=2.2.12
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerCallbackQuery.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerCallbackQuery.kt
index ecb76c60a9..00cb73f39a 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerCallbackQuery.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerCallbackQuery.kt
@@ -16,7 +16,7 @@ data class AnswerCallbackQuery(
     val showAlert: Boolean? = null,
     @SerialName(urlField)
     val url: String? = null,
-    @SerialName(cachedTimeField)
+    @SerialName(cacheTimeField)
     val cachedTimeSeconds: Int? = null
 ) : SimpleRequest<Boolean> {
     override fun method(): String = "answerCallbackQuery"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerInlineQuery.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerInlineQuery.kt
index ef5a9aeb0c..c295a99dcc 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerInlineQuery.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/answers/AnswerInlineQuery.kt
@@ -16,7 +16,7 @@ data class AnswerInlineQuery(
     @Serializable(InlineQueryAnswersResultsSerializer::class)
     @SerialName(resultsField)
     val results: List<InlineQueryResult> = emptyList(),
-    @SerialName(cachedTimeField)
+    @SerialName(cacheTimeField)
     val cachedTime: Int? = null,
     @SerialName(isPersonalField)
     val isPersonal: Boolean? = null,
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 44c9955298..819fb35587 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -123,7 +123,7 @@ const val callbackQueryIdField = "callback_query_id"
 const val inlineQueryIdField = "inline_query_id"
 const val inlineKeyboardField = "inline_keyboard"
 const val showAlertField = "show_alert"
-const val cachedTimeField = "cached_time"
+const val cacheTimeField = "cache_time"
 const val foursquareIdField = "foursquare_id"
 const val foursquareTypeField = "foursquare_type"
 const val googlePlaceIdField = "google_place_id"
diff --git a/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ContentMessageConversations.kt b/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ContentMessageConversations.kt
index ce980fe93a..bcdff2ce59 100644
--- a/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ContentMessageConversations.kt
+++ b/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/ContentMessageConversations.kt
@@ -9,6 +9,11 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.mapNotNull
 import kotlin.reflect.KClass
 
+private inline fun <reified T : MessageContent> Flow<ContentMessage<*>>.withContentType() = mapNotNull {
+    it.withContent<T>()
+}
+
+@Deprecated("This method will be removed in next major update")
 fun <T : MessageContent> Flow<ContentMessage<*>>.withContentType(contentType: KClass<T>) = mapNotNull {
     if (contentType.isInstance(it.content)) {
         @Suppress("UNCHECKED_CAST")
@@ -18,19 +23,19 @@ fun <T : MessageContent> Flow<ContentMessage<*>>.withContentType(contentType: KC
     }
 }
 
-fun Flow<ContentMessage<*>>.onlyAnimationContentMessages() = withContentType(AnimationContent::class)
-fun Flow<ContentMessage<*>>.onlyAudioContentMessages() = withContentType(AudioContent::class)
-fun Flow<ContentMessage<*>>.onlyContactContentMessages() = withContentType(ContactContent::class)
-fun Flow<ContentMessage<*>>.onlyDiceContentMessages() = withContentType(DiceContent::class)
-fun Flow<ContentMessage<*>>.onlyDocumentContentMessages() = withContentType(DocumentContent::class)
-fun Flow<ContentMessage<*>>.onlyGameContentMessages() = withContentType(GameContent::class)
-fun Flow<ContentMessage<*>>.onlyInvoiceContentMessages() = withContentType(InvoiceContent::class)
-fun Flow<ContentMessage<*>>.onlyLocationContentMessages() = withContentType(LocationContent::class)
-fun Flow<ContentMessage<*>>.onlyPhotoContentMessages() = withContentType(PhotoContent::class)
-fun Flow<ContentMessage<*>>.onlyPollContentMessages() = withContentType(PollContent::class)
-fun Flow<ContentMessage<*>>.onlyStickerContentMessages() = withContentType(StickerContent::class)
-fun Flow<ContentMessage<*>>.onlyTextContentMessages() = withContentType(TextContent::class)
-fun Flow<ContentMessage<*>>.onlyVenueContentMessages() = withContentType(VenueContent::class)
-fun Flow<ContentMessage<*>>.onlyVideoContentMessages() = withContentType(VideoContent::class)
-fun Flow<ContentMessage<*>>.onlyVideoNoteContentMessages() = withContentType(VideoNoteContent::class)
-fun Flow<ContentMessage<*>>.onlyVoiceContentMessages() = withContentType(VoiceContent::class)
+fun Flow<ContentMessage<*>>.onlyAnimationContentMessages() = withContentType<AnimationContent>()
+fun Flow<ContentMessage<*>>.onlyAudioContentMessages() = withContentType<AudioContent>()
+fun Flow<ContentMessage<*>>.onlyContactContentMessages() = withContentType<ContactContent>()
+fun Flow<ContentMessage<*>>.onlyDiceContentMessages() = withContentType<DiceContent>()
+fun Flow<ContentMessage<*>>.onlyDocumentContentMessages() = withContentType<DocumentContent>()
+fun Flow<ContentMessage<*>>.onlyGameContentMessages() = withContentType<GameContent>()
+fun Flow<ContentMessage<*>>.onlyInvoiceContentMessages() = withContentType<InvoiceContent>()
+fun Flow<ContentMessage<*>>.onlyLocationContentMessages() = withContentType<LocationContent>()
+fun Flow<ContentMessage<*>>.onlyPhotoContentMessages() = withContentType<PhotoContent>()
+fun Flow<ContentMessage<*>>.onlyPollContentMessages() = withContentType<PollContent>()
+fun Flow<ContentMessage<*>>.onlyStickerContentMessages() = withContentType<StickerContent>()
+fun Flow<ContentMessage<*>>.onlyTextContentMessages() = withContentType<TextContent>()
+fun Flow<ContentMessage<*>>.onlyVenueContentMessages() = withContentType<VenueContent>()
+fun Flow<ContentMessage<*>>.onlyVideoContentMessages() = withContentType<VideoContent>()
+fun Flow<ContentMessage<*>>.onlyVideoNoteContentMessages() = withContentType<VideoNoteContent>()
+fun Flow<ContentMessage<*>>.onlyVoiceContentMessages() = withContentType<VoiceContent>()
diff --git a/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/WithContent.kt b/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/WithContent.kt
new file mode 100644
index 0000000000..be45e0b6f1
--- /dev/null
+++ b/tgbotapi.extensions.utils/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/utils/WithContent.kt
@@ -0,0 +1,39 @@
+@file:Suppress("UNCHECKED_CAST")
+
+package dev.inmo.tgbotapi.extensions.utils
+
+import dev.inmo.tgbotapi.types.message.abstracts.*
+import dev.inmo.tgbotapi.types.message.content.abstracts.*
+
+inline fun <reified T : MessageContent> ContentMessage<*>.withContent() = if (content is T) { this as ContentMessage<T> } else { null }
+inline fun <reified T : MessageContent> ContentMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> CommonMessage<*>.withContent() = if (content is T) { this as CommonMessage<T> } else { null }
+inline fun <reified T : MessageContent> CommonMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> PossiblySentViaBotCommonMessage<*>.withContent() = if (content is T) { this as PossiblySentViaBotCommonMessage<T> } else { null }
+inline fun <reified T : MessageContent> PossiblySentViaBotCommonMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> ChannelMessage<*>.withContent() = if (content is T) { this as ChannelMessage<T> } else { null }
+inline fun <reified T : MessageContent> ChannelMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> PrivateMessage<*>.withContent() = if (content is T) { this as PrivateMessage<T> } else { null }
+inline fun <reified T : MessageContent> PrivateMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> PublicMessage<*>.withContent() = if (content is T) { this as PublicMessage<T> } else { null }
+inline fun <reified T : MessageContent> PublicMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> GroupMessage<*>.withContent() = if (content is T) { this as GroupMessage<T> } else { null }
+inline fun <reified T : MessageContent> GroupMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> FromChannelGroupMessage<*>.withContent() = if (content is T) { this as FromChannelGroupMessage<T> } else { null }
+inline fun <reified T : MessageContent> FromChannelGroupMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> AnonymousGroupMessage<*>.withContent() = if (content is T) { this as AnonymousGroupMessage<T> } else { null }
+inline fun <reified T : MessageContent> AnonymousGroupMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MessageContent> CommonGroupMessage<*>.withContent() = if (content is T) { this as CommonGroupMessage<T> } else { null }
+inline fun <reified T : MessageContent> CommonGroupMessage<*>.requireWithContent() = withContent<T>()!!
+
+inline fun <reified T : MediaGroupContent> MediaGroupMessage<*>.withContent() = if (content is T) { this as MediaGroupMessage<T> } else { null }
+inline fun <reified T : MediaGroupContent> MediaGroupMessage<*>.requireWithContent() = withContent<T>()!!