"TelegramAPIUrlsKeeper" now have two new things: properties "webAppDataSecretKey" and fun "checkWebAppLink"

tgbotapi.webapps/build.gradle

@@ -27,6 +27,13 @@ repositories {
 }
 
 kotlin {
+    jvm {
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
+    }
     js(IR) {
         browser()
         nodejs()