diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e7bfacb9b..4d4052b296 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,23 @@
 
 ## 15.1.0
 
+**THIS UPDATE CONTAINS BREAKING CHANGES**
+
+**THIS UPDATE CONTAINS ADDING OF SUPPORT FOR BOTS API 7.7** (thanks to [bpavuk](https://threads.net/b_pavuchok))
+
+**THIS UPDATE CONTAINS ADDING OF SUPPORT FOR BOTS API 7.6** (with participant and help of [bpavuk](https://threads.net/b_pavuchok))
+
+* Add support of paid media
+* Update web apps
 * `Version`:
   * `MicroUtils`: `0.21.1` -> `0.21.2`
+* `Core`:
+  * `TelegramMedia` has been separated onto two interfaces: `TelegramFreeMedia` and `TelegramPaidMedia`
+    * `TelegramFreeMedia` has replaced `TelegramMedia` on all old places where it have been used
+  * `Photo` has been renamed to `PhotoFile`
+* `BehaviourBuilder`:
+  * Add notification when handling of `/privacy` command is absence
+  * Add several extensions to simplify setting up `/privacy` reaction
 
 ## 15.0.0
 
diff --git a/README.md b/README.md
index 05d7fb0364..5ee58069da 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# TelegramBotAPI [![Maven Central](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi/badge.svg)](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi) [![Supported version](https://img.shields.io/badge/Telegram%20Bot%20API-7.5-blue)](https://core.telegram.org/bots/api-changelog#june-18-2024)
+# TelegramBotAPI [![Maven Central](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi/badge.svg)](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi) [![Supported version](https://img.shields.io/badge/Telegram%20Bot%20API-7.7-blue)](https://core.telegram.org/bots/api-changelog#july-7-2024)
 
 |          Docs          |                                   [![KDocs](https://img.shields.io/static/v1?label=Dokka&message=KDocs&color=blue&logo=kotlin)](https://tgbotapi.inmo.dev/index.html) [![Mini tutorial](https://img.shields.io/static/v1?label=Mk&message=Docs&color=blue&logo=mkdocs)](https://docs.inmo.dev/tgbotapi/index.html)                                    |
 |:----------------------:|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------:|
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/payments/stars/TransactionPartner.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/payments/stars/TransactionPartner.kt
index 11c1e20722..ad5191546d 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/payments/stars/TransactionPartner.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/payments/stars/TransactionPartner.kt
@@ -1,3 +1,5 @@
+@file:Suppress("OPT_IN_USAGE")
+
 package dev.inmo.tgbotapi.types.payments.stars
 
 import dev.inmo.tgbotapi.types.InvoicePayload
@@ -43,8 +45,8 @@ sealed interface TransactionPartner {
         @SerialName(invoicePayloadField)
         val invoicePayload: InvoicePayload? = null
     ) : TransactionPartner {
-        override val type: String
-            get() = Companion.type
+        @EncodeDefault
+        override val type: String = Companion.type
 
         companion object {
             const val type: String = "user"